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23

B

A branch line valve of a fire extinguishing system on a MODU must be marked with the.

maximum pressure allowed at that branch

name of the space or spaces which it serves

date of the last maintenance inspection

pressure needed to maintain an effective stream at that point

41

A

A hydraulic accumulator, used in a hydraulic system aboard a MODU, is designed to.

store fluid under pressure

act as the main fluid reservoir

provide the only means of overpressure relief

act as the singular source of fluid replenishment to a system

42

C

A casualty report of an intentional grounding of a MODU is required under what condition?

Under any condition

If the grounding lasts over 24 hours

If it creates a hazard to the environment

At the owner's discretion

52

C

A CO2 extinguisher on a MODU which has lost 10% of its charge must be.

used at the earliest opportunity

hydro-tested

recharged

weighed again in one month

65

C

A construction portfolio prepared for each new offshore drilling unit must be approved by the .

American Bureau of Shipping

National Cargo Bureau

U.S. Coast Guard

Minerals Management Service

66

B

A continual worsening of the list or trim of any floating MODU indicates.

negative GM

progressive flooding

structural failure

an immediate need to counterflood

67

A

A continuous watertight bulkhead on a MODU is normally also a(n).

structural bulkhead

exterior bulkhead

centerline bulkhead

joiner bulkhead

75

D

A cutoff valve in the fire-main system of a MODU may be closed to protect the portion of the system on an exposed deck from.

damage from crane operations

being used for wash down purposes

accidental diversion of flow to wrong location

freezing

110

C

A fire pump on a MODU requires 175 psi discharge pressure to maintain the required 50 psi pitot tube pressure at the two highest hydrants. The maximum setting for the relief valve is.

125 psi

175 psi

200 psi

225 psi

117

C

A fixed CO2 system on a MODU with a capacity of over 300 lbs (136 kilograms) CO2 which protects spaces other than tanks must have.

two or more releasing stations

automatic release in event of a fire

an audible alarm and time delay

an audible and visible alarm

119

B

A floating jack-up with displacement of 15,000 kips has its LCG 106 feet aft of frame zero (AF0). If 200 short tons are loaded at 20 feet AF0 and 400 short tons are loaded 149 feet AF0, what is the new LCG?

105.5 feet

106.0 feet

108.3 feet

111.8 feet

120

C

A floating jack-up with displacement of 15,000 kips has its LCG 108 feet aft of frame zero (AFO). If 400 kips are loaded at 120 feet AFO and 800 kips are loaded 150 feet AF0, what is the new LCG?

100.0 feet

109.2 feet

110.4 feet

119.2 feet

121

A

A floating jack-up with displacement of 16,200 kips has its LCG 110.37 feet aft of frame zero (AF0). If 200 short tons are discharged from 120 feet AF0 and 400 short tons are discharged from 150 feet AF0, what is the new LCG?

108.0 feet

109.2 feet

110.4 feet

115.8 feet

122

C

A floating MODU displacing 20,000 long tons with a VCG of 50 feet loads 100 long tons at 100 feet above the baseline and 200 long tons at 130 feet above the baseline. What is the new KG?

49.0 feet

50.0 feet

51.0 feet

51.8 feet

123

C

A floating MODU with an initial negative metacentric height .

will capsize

will incline further

may lie at an angle of loll

may be initially level

139

B

A hurricane has recurved to the northeast and its forward speed is 20 knots. Your MODU is located 600 miles northeast of the hurricane's center. How long will it take for the hurricane center to reach your position if it holds its present course and speed?

10 hours

30 hours

50 hours

80 hours

140

A

A hydraulic accumulator aboard a MODU is designed to .

store fluid under pressure

act as a fluid reservoir

provide overpressure relief

replenish fluid to a system

144

C

A jack-up 180 feet in length with the LCF at 120 feet AF0 has a true mean draft (draft at LCF) of 10 feet. If the trim is 3 feet by the stern, what is the draft at the stern?

8.0 feet

9.0 feet

11.0 feet

12.0 feet

145

C

A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the mean draft?

8.0 feet

9.0 feet

9.5 feet

12.0 feet

146

C

A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the true mean draft (draft at the center of flotation)?

8.0 feet

9.0 feet

10.0 feet

11.0 feet

147

C

A jack-up 180 feet in length with the LCF at 120 feet AFO has a draft of 8 feet at the bow and 11 feet at the stern. What is the trim by the stern?

2.0 feet

2.4 feet

3.0 feet

6.0 feet

148

C

A jack-up 180 feet in length with the LCF at 120 feet AFO has a true mean draft (draft at LCF) of 10 feet. If the trim is 3 feet by the stern, what is the draft at the stern?

8.0 feet

9.0 feet

11.0 feet

12.0 feet

149

B

A jack-up 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the bow to level the jack-up if 150 kips are loaded at the transom?

50 kips

75 kips

100 kips

200 kips

150

D

A jack-up 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the stern to re-level the jack-up if 75 kips is applied at the bow?

50 kips

75 kips

100 kips

150 kips

151

D

A jack-up displacing 15,000 kips has a KG of 20 feet. The legs weighing 3,500 kips are lowered 100 feet. What is the new KG?

23.33 feet

18.67 feet

4.67 feet

-3.33 feet

152

D

A jack-up displacing 350,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs .

10,000 kips

18,169 kips

21,841 kips

22,400 kips

153

A

A jack-up drilling rig being towed must.

turn off all lights that interfere with the navigation lights

turn on all available working lights on deck

ring the bell rapidly for five seconds once a minute

display two black diamonds in a vertical line during the day

154

A

A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound .

a 2-second blast every 20 seconds

a 4-second blast every 20 seconds

an 8-second blast every 30 seconds

a 10-second blast every 30 seconds

155

C

A jack-up has 8 inches of trim by the stern. Calculations show that the moment required to change trim one inch (MCT1") is 500 foot-kips. To level the unit, how far must a weight of 50 kips be transferred toward the bow?

10.0 feet

62.5 feet

80.0 feet

100.0 feet

156

B

A jack-up is trimmed six inches by the bow. The moment required to change trim one inch (MCT1") is 1200 foot-kips. Transferring 200 kips of drill water from a tank with an LCG of 20 feet to a tank with an LCG of 140 feet results in a final trim of.

zero trim (level)

1 foot 2 inches by the stern

1 foot 8 inches by the stern

2 feet 2 inches by the stern

157

B

A jack-up level at 12.5 feet draft transfers 100 kips of drill water from a tank with a TCG of -30 feet to a starboard tank with a TCG of 70 feet. The resulting starboard draft is 13 feet. The moment required to change list one inch (MCL1") is.

667 foot-kips

833 foot-kips

1,400 foot-kips

1,667 foot-kips

158

D

A jack-up with a calculated moment to change list one inch (MCL1") of 1,200 foot-kips intends to transfer 100 kips of weight in a transverse direction. How far should the weight be transferred to change the draft on the port side from 11.5 to 11.0 feet?

12 feet

48 feet

120 feet

144 feet

159

D

A jack-up with a calculated moment to change list one inch (MCL1") of 1,350 foot-kips intends to transfer drill water from a tank with a TCG of 82 feet to a tank with a TCG of 18 feet. How much weight should be transferred to change the draft on the port side from 11.0 to 11.5 feet?

67.5 kips

81.0 kips

126.6 kips

253.1 kips

160

A

A jack-up with displacement of 10,000 kips has its LCG 100 feet aft of frame zero (AFO). If 200 kips are loaded at 60 feet AFO and 100 kips are discharged from 20 feet AFO, what is the new LCG?

100.0 feet

100.4 feet

100.8 feet

101.2 feet

161

C

A jack-up, 180 feet in length, has the center of flotation at 110 feet aft of frame zero. The draft at the bow is 11.0 feet and the draft at the stern is 13.0 feet. What is the true mean draft?

11.78 feet

12.00 feet

12.22 feet

12.78 feet

162

C

A jack-up, while level in transit at 10 feet draft, experiences a wind gust which results in a port draft of 11 feet. What is the heel?

1 foot to starboard

2 feet to starboard

2 feet to port

1 foot to port

163

D

A jack-up, while level in transit at 10 feet draft, experiences a wind gust which results in a port draft of 11 feet. What is the new starboard draft?

12 feet

11 feet

10 feet

9 feet

164

B

A jack-up, while level in transit at 10 feet draft, experiences a wind gust which results in a starboard draft of 11 feet 6 inches. What is the heel?

1 foot 6 inches to starboard

3 feet to starboard

3 feet to port

1 foot 6 inches to port

178

B

A life preserver or buoyant work vest is required to be worn on a MODU when a person is.

working on the rig floor

working over water

working on the pipe racks

operating line throwing equipment

185

D

A load line for a MODU is assigned by the

Minerals Management Service

Department of Energy

Corps of Engineers

A recognized classification society approved by the Coast Guard

186

D

A load line is assigned to a MODU to insure adequate stability and.

mooring tension

riser tension

lifesaving equipment

structural strength

202

A

A mat-supported jack-up is best suited for drilling in locations with bottom conditions which are .

soft and level

firm and uneven

sloping

coral

203

A

A mat-type drilling unit tows more slowly than a jack- up unit due to.

the drag of the mat

its deeper draft

its tubular legs

the design of the bow

204

A

A mat-type jack-up drilling unit is the best selection for .

soft mud bottoms

uneven bottoms

deep water

hard bottoms

210

A

A mobile offshore drilling unit crane certificate is required to be maintained.

on the unit

in the company office

on file with the OCMI

on file with the American Bureau of Shipping

211

B

A mobile offshore drilling unit is on the waters of the U.S. Outer Continental Shelf. It has a length of 220 feet and a breadth of 190 feet. Where must the obstruction lights be located?

At the top of the drill mast

On each corner of the rig

At the bow of the rig

At the bow and stern of the rig

212

B

A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is.

under tow

fixed to the seabed

underway

All of the above

213

D

A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?

When the towing vessel enters the fog

When the drilling rig enters the fog

When the towing vessel can no longer be seen from the rig

Immediately

214

B

A mobile offshore drilling unit will show the day-shape in DIAGRAM 10 to indicate that it is.

at anchor

being towed

aground

drilling

215

A

A MODU crane which has been idle for a period of over six months shall be inspected to the same standards as a.

yearly inspection

quarterly inspection

monthly inspection

weekly inspection

216

D

A MODU displacing 10,000 long tons with KG 20.0 feet, uses its crane to lift a 40 long ton load from dockside and place it on board at a VCG of 5.0 feet. When lifting, the head of the crane boom is 50.0 feet above the keel. During the lift, what is the apparent increase in KG?

0.02 foot

0.12 foot

0.18 foot

0.20 foot

217

B

A MODU displacing 10,000 tons uses its crane to lift a 20 ton load, already aboard, to a height of 5 feet above the deck. When lifting, the head of the crane boom is 50 feet above the load. What is the change in KG?

No change

0.1 foot

0.2 foot

1.0 foot

218

C

A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is added at a VCG of 150 feet. The change in KG is.

1.09 feet

1.60 feet

1.58 feet

2.73 feet

219

C

A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG 150 feet. The change in KG is.

1.09 feet

1.60 feet

1.64 feet

2.73 feet

220

A

A MODU displacing 28,000 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG of 150 feet. To maintain draft, ballast is added at a VCG of 10 feet. What is the change in KG?

2.5 feet downward

2.0 feet downward

1.5 feet downward

1.0 foot downward

221

C

A MODU displacing 29,500 long tons has a KG of 60 feet. A weight of 500 long tons is added at a VCG of 150 feet. What is the change in KG?

2.5 feet upward

2.0 feet upward

1.5 feet upward

1.0 foot upward

222

C

A MODU displacing 30,500 long tons has a KG of 60 feet. A weight of 500 long tons is discharged from a VCG of 150 feet. What is the change in KG?

2.5 feet downward

2.0 feet downward

1.5 feet downward

1.0 foot downward

223

B

A MODU floating in sea water while displacing 20,000 long tons has transverse free surface moments of 7,500 ft-long tons and longitudinal free surface moments of 10,000 ft-long tons. The maximum virtual rise in the height of the center of gravity due to free surfaces is.

0.35 foot

0.50 foot

0.88 foot

2.00 feet

224

B

A MODU having continuous closely spaced transverse strength members is.

longitudinally framed

transversely framed

cellular framed

web framed

225

C

A MODU helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least.

30 gallons per minute

40 gallons per minute

50 gallons per minute

60 gallons per minute

226

C

A MODU is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is .

positive

negative

zero

vertical

227

C

A MODU lists and trims about the.

center of gravity

center of buoyancy

center of flotation

centroid of the underwater volume

228

B

A MODU must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement, you may use.

a gas mask certified by the Mine Safety and Health Administration

the same self- contained breathing apparatus required with the fireman's outfit

an oxygen breathing apparatus, provided that the device has been inspected within three years

a portable ventilation system that will provide a complete change of air every three minutes

229

C

A MODU must have on board a first-aid kit that is approved by the.

Minerals Management Service

Occupational Safety and Health Administration

Mine Safety and Health Administration

American Bureau of Shipping

230

D

A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office?

Nearest Oceanographic office

The Marine Safety Center at Coast Guard Headquarters

National Ocean Service

Nearest Officer in Charge, Marine Inspection

231

C

A MODU required to carry an Oil Record Book must maintain the book on board for.

one year

two years

three years

four years

232

A

A MODU which is required to carry an Oil Record Book must log in the book.

discharge of ballast or cleaning water from fuel tanks

sounding levels of all fuel tanks on a daily basis

the grade and specific gravity of all fuel oil carried

fuel consumption rates on a weekly basis

233

C

A MODU with a displacement of 15,000 kips has a KG of 20 feet. A load of 300 kips is shifted from a VCG of 100 feet to a VCG of 10 feet. How far does the KG move?

0.2 foot downward

0.2 foot upward

1.8 feet downward

1.8 feet upward

234

A

A MODU with the TCG off the longitudinal centerline inclines to an angle of.

list

heel

trim

loll

245

A

A non-symmetrical tank aboard a MODU contains 390 tons of ballast at a VCG of 9.85 feet. Ballast weighing 250 tons and a VCG of 12.0 feet is discharged. The vertical moments for the remaining ballast is.

842 ft-long tons

3,000 ft-long tons

3,842 ft-long tons

6,842 ft-long tons

263

C

A person who holds a foreign license can serve as the ballast control operator to meet manning requirements on a MODU on waters outside U.S. jurisdiction until the.

MODU's contract is completed

Certificate of Inspection is renewed

MODU returns to a U.S. port

Operations Manual is revised

271

C

A qualified person must be assigned as the second in command of a lifeboat on a MODU if the lifeboat has a capacity of more than.

20 persons

30 persons

40 persons

50 persons

272

A

A quick and rapid motion of a MODU in a seaway is an indication of a(n).

large GM

high center of gravity

excessive free surface

small GZ

274

D

A record of the types and strengths of steels used on a MODU must be included in the.

general plans

builder's documentation

Certificate of Inspection

construction portfolio

276

C

A report of casualty to a mobile offshore drilling unit must be made in writing to which office?

Commandant of the Coast Guard

Owner of the unit

Nearest Coast Guard Marine Safety Office

Captain of the nearest port

277

D

A report of casualty to a mobile offshore drilling unit must include.

the estimated cost of damage to the unit

an evaluation of who was at fault

the amount of ballast on board

the name of the owner or agent of the unit

312

B

A semisubmersible 300 feet long and an LCF of 0 (amidships) is in transit with hulls awash and an MT1" of 87.67 foot-tons. Work on the BOP (weight 263 long tons) requires that it be moved aft 12 feet. What is the resulting trim change?

1.5 feet

3.0 feet

6.0 feet

7.3 feet

313

B

A semisubmersible at a draft of 19 feet 9 inches arrives on location planning to deploy eight mooring lines. Each anchor weighs 15 long tons and each mooring line consists of 3,000 feet of 3-inch chain (89.6 lbs/ft). If no ballast corrections are made, what is the expected draft if the average TPI is 60?

17 feet 9 inches

18 feet 3 inches

18 feet 9 inches

21 feet 3 inches

314

C

A semisubmersible displacing 17,600 long tons has an LCG 3.2 feet forward of amidships. Bulk, weighing 400 long tons, is loaded into P-tanks located 50.8 feet aft of amidships. What is the new LCG?

0.80 foot forward of amidships

1.20 feet forward of amidships

2.00 feet forward of amidships

4.40 feet forward of amidships

315

D

A semisubmersible displacing 18,000 long tons has an LCG 2 feet forward of amidships. Bulk, weighing 400 long tons, is discharged from P-tanks located 50.8 feet aft of amidships. What is the new LCG?

0.8 foot forward of amidships

1.20 feet forward of amidships

3.11 feet forward of amidships

3.20 feet forward of amidships

316

C

A semisubmersible displacing 700,000 cubic feet while floating in sea water (64 pounds per cubic foot) weighs.

8,929 long tons

19,509 long tons

20,000 long tons

24,500 long tons

317

B

A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 foot-long tons. What is the change in KG if 500 long tons are placed aboard at a KG of 120 feet?

1.22 feet upward

1.71 feet upward

1.75 feet upward

2.93 feet upward

318

B

A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 foot-long tons. What is the new KG if 300 long tons are added at a VCG of 50 feet?

49.2 feet

50.0 feet

50.8 feet

57.5 feet

319

D

A semisubmersible floating in sea water displaces 717,500 cubic feet. What is the displacement?

11,211 long tons

11,498 long tons

19,977 long tons

20,500 long tons

320

A

A semisubmersible in transit is at a draft of 19 feet. The depth of the lower hulls is 21 feet. How much bunker fuel at 54.0 lbs/cu ft could be taken on and still provide one foot of freeboard if the TPI is 52.3?

627.6 long tons

648.0 long tons

843.9 long tons

255.2 long tons

321

D

A semisubmersible is more likely to experience structural stresses during heavy weather when .

operating at drilling draft

deballasting to survival draft

when at survival draft

when at transit draft

322

A

A semisubmersible records the following drafts: Port Forward 64'-09"; Port Aft 68'-09"; Starboard Forward 59'-09"; Starboard Aft 63'-09". What is the mean draft?

64.25 feet

64.40 feet

64.75 feet

64.90 feet

323

A

A semisubmersible rig under tow should be ballasted down if.

motion begins to be excessive

water begins to break over the pontoons

period of roll exceeds 12 seconds

forward progress is halted by head wind

324

A

A semisubmersible which flops between forward and aft angles of trim is likely to have.

KML less than KGL

an off-center LCG

LCG greater than LCB

KML greater than KMT

325

D

A semisubmersible which flops between forward and aft trim angles is likely to have.

an off-center TCG

LCG greater than level- vessel LCB

KMT greater than KML

KML less than KGL

326

B

A semisubmersible which flops between port and starboard angles of list is likely to have.

KMT greater than KML

KMT less than KGT

an off-center LCG

TCG greater than level- vessel TCB

327

B

A semisubmersible which will not remain upright and will assume a list either to port or starboard is likely to have .

a large TCG

a negative GM

excessive ballast

insufficient deck load

328

A

A semisubmersible with a displacement of 18,117.7 long tons and a KG of 52.0 feet discharges 200 long tons from a KG of 130 feet. To remain at draft, ballast is added at a height of 10 feet. What is the change in KG?

1.32 feet downward

1.32 feet upward

0.87 foot downward

0.87 foot upward

329

C

A semisubmersible with a displacement of 20,000 long tons and a KG of 52 feet discharges 300 long tons of barite from P-tanks located 120 feet above the keel. What is the change in KG?

0.79 foot downward

1.00 foot downward

1.04 feet downward

1.83 feet downward

330

A

A semisubmersible with a displacement of 20,000 tons and a KG of 60.0 feet loads 300 tons at a VCG of 120 feet. To maintain draft, ballast is discharged from a height of 20 feet. What is the change in KG?

1.5 feet upward

1.5 feet downward

0.8 foot upward

0.8 foot downward

331

D

A semisubmersible with a displacement of 20,000 tons and a KG of 60.0 feet loads 300 tons at a VCG of 120 feet. What is the change in KG?

1.32 feet downward

1.32 feet upward

0.89 foot downward

0.89 foot upward

332

C

A semisubmersible with a displacement of 20,000 tons and KG of 52 feet discharges 300 long tons of barite from P-tanks located 120 feet above the keel. Ballast added to maintain draft has a VCG of 20 feet. What is the change in KG?

0.49 foot increase

0.50 foot decrease

1.50 feet decrease

1.80 feet decrease

333

D

A semisubmersible with a negative GM flops to an angle of.

heel

trim

list

loll

334

C

A semisubmersible with a positive GM, and TCG located starboard of the centerline, inclines to an angle of.

heel

trim

list

loll

335

A

A semisubmersible with a TPI of 11.25 long tons per inch discharges 270 long tons from amidships. What is the new mean draft if the original drafts were: Port Forward 69.5 feet; Port Aft 68.5 feet; Starboard Forward 71.5 feet; Starboard Aft 70.5 feet?

68'-0"

69'-10"

70'-2"

72'-0"

336

C

A semisubmersible with displacement of 19,700 long tons and KG of 50.96 feet loads 300 long tons of barite into P-tanks located 120 feet above the keel. What is the change in KG?

0.79 foot upward

1.00 foot upward

1.04 feet upward

1.83 feet upward

337

B

A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'-09"; Port Aft 68'-09"; Starboard Forward 59'-09"; and Starboard Aft 63'-09". What is the list?

10 feet to port

5 feet to port

2.5 feet to port

5 feet to starboard

338

B

A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'-09"; Port Aft 68'- 09"; Starboard Forward 59'-09"; and Starboard Aft 63'-09". What is the trim?

8 feet by the stern

4 feet by the stern

2 feet by the stern

4 feet by the head

339

B

A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'-9"; Port Aft 68'- 9"; Starboard Forward 59'-9"; and Starboard Aft 63'- 9". What is the true mean draft?

64.25 feet

64.45 feet

64.75 feet

64.90 feet

340

C

A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 74'-09"; Port Aft 78'- 09"; Starboard Forward 69'-09"; and Starboard Aft 73'- 09". What is the trim?

-1.0 foot

-2.0 feet

-4.0 feet

-8.0 feet

341

C

A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 74'-09"; Port Aft 78'- 09"; Starboard Forward 69'-09"; and Starboard Aft 73'- 09". What is the list?

-1.0 foot

-2.5 feet

-5.0 feet

-10.0 feet

342

B

A semisubmersible, displacing 20,500 long tons, has vertical moments of 1,060,000 foot-long tons. What is the change in KG if 500 long tons are discharged from a VCG of 120 feet?

1.22 feet downward

1.71 feet downward

1.75 feet downward

2.93 feet downward

343

C

A semisubmersible, while floating level, displaces 18,000 long tons. Bulk, weighing 400 long tons, is placed in P-tanks located 80 feet to starboard of the centerline. What is the new TCG?

0.02 foot starboard of centerline

0.32 foot starboard of centerline

1.74 feet starboard of centerline

1.78 feet starboard of centerline

344

C

A semisubmersible, while floating level, displaces 20,000 long tons. LCB is 3.0 feet forward of amidships. Bulk, weighing 300 long tons, is placed in P-tanks located 40 feet aft of amidships. What is the new LCG?

3.64 feet forward of amidships

2.45 feet forward of amidships

2.36 feet forward of amidships

0.55 foot forward of amidships

345

B

A semisubmersible, while floating level, displaces 25,000 long tons. LCG is 2 feet forward of amidships. Bulk, weighing 300 long tons, is placed in P-tanks located 50 feet aft of amidships. What is the new LCG?

1.43 feet forward of amidships

1.38 feet forward of amidships

0.62 foot forward of amidships

0.57 foot forward of amidships

346

D

A semisubmersible, with a TCG of 0.5 feet to port, displaces 20,000 long tons. Bulk, weighing 400 long tons, is discharged from P-tanks located 50 feet starboard of the centerline. What is the new TCG?

1.03 feet starboard of centerline

0.53 foot starboard of centerline

0.53 foot port of centerline

1.53 feet port of centerline

347

A

A semisubmersible, with a TCG of 0.5 foot to port, displaces 20,000 long tons. Bulk, weighing 400 long tons, is loaded in P-tanks located 50 feet starboard to the centerline. What is the new TCG?

0.49 foot starboard of centerline

0.51 foot starboard of centerline

0.99 foot starboard of centerline

1.49 feet starboard of centerline

350

D

A severe storm threatens the COASTAL DRILLER, and a decision is made to evacuate the unit. If practical, all non-essential personnel should be off the unit in advance of the storm's predicted arrival by .

12 hours

24 hours

36 hours

48 hours

365

A

A simplified construction plan may be included in the MODU construction portfolio provided it adequately defines the.

areas where special materials are used

hazardous areas

location of emergency repair equipment

type and strength of materials used

368

A

A slow and easy motion of a MODU in a seaway is an indication of a.

small GM

low center of gravity

stiff vessel

large GZ

387

C

A survival craft being used to pick up a person who has fallen overboard from a MODU should approach the person.

at a high rate of speed

under oars

against the wind

with the wind

392

D

A tank of a MODU with a volume of 2,000 cubic feet is pressed with sea water weighing 64 pounds per cubic foot. What is the weight, in kips, of the liquid?

54 kips

67 kips

78 kips

128 kips

408

C

A tropical storm is building strength some distance from your MODU. Waves are coming from the east, with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated?

To the north of you

To the south of you

To the east of you

To the west of you

483

B

A virtual rise in the center of gravity of a MODU may be caused by.

filling a partially filled tank

using fuel from a pressed fuel tank

emptying a partially filled tank

transferring pipe from the setback area to the pipe rack

484

B

A virtual rise in the center of gravity of a MODU may be caused by.

filling a partially filled tank

using an on board crane to lift a freely swinging heavy object

emptying a partially filled tank

transferring pipe from the setback area to the pipe rack

486

D

A weathertight door on a MODU must not allow water to penetrate into the unit in.

50 knot winds

70 knot winds

100 knot winds

any sea condition

490

C

A welding procedure used for joining dissimilar metals used on a MODU would be recorded in the .

welding plan

ASTM specifications

construction portfolio

Coast Guard file

491

A

A well kick while drilling from a MODU will cause .

increased fluid level in the mud pits

decreased fluid level in the mud pits

increased cuttings on the shale shaker

decreased cuttings on the shale shaker

495

C

A written report of casualty to a MODU shall be made .

within 12 hours of the casualty

to the Commandant of the Coast Guard

on Form CG 2692

only if the damage exceeds $1,500

502

B

Aboard a MODU, multiplying a load's weight by the distance of the load's center of gravity from the centerline results in the load's.

LCG

transverse moment

righting moment

inclining moment

513

A

Aboard the DEEP DRILLER, the bilge pumps take suction from the pump rooms, cofferdam, void area, access trunk, and.

center column chain lockers

backup drill water tank

primary salt-water service tank

forward and after column chain lockers

514

A

Aboard the DEEP DRILLER, the drill water pump may be used to provide drill water to the deck and .

supplement the bilge pumps

provide saltwater service to the deck

emergency fuel-oil recovery

supplement the ballast pumps

515

C

Aboard the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 26 and.

41

29

28

25

528

C

According to regulations, a Master or person in charge of a MODU is required to submit a report of a loss of life.

only when it happens while underway

to the next of kin

to the nearest Marine Safety or Marine Inspection Office

to the nearest coroner

529

C

According to regulations, a Master or person in charge of a MODU is required to submit a report of a loss of life.

only when it happens while underway

to the next of kin

to the nearest OCMI

to the nearest coroner

561

B

According to the MODU regulations, the capacity of a liferaft is required to be marked.

on the Muster List ("Station Bill")

on a sign next to the liferaft

on the Certificate of Inspection

in the Operations Manual

564

B

According to the regulations for mobile offshore drilling units, "industrial personnel" are considered to be all persons carried on the MODU for the sole purpose of carrying out the industrial business of the unit, except for.

the operator's representative

the crew required by the Certificate of Inspection

the galley personnel

the designated person in charge

577

C

Adding the longitudinal free surface correction to the uncorrected height of the center of gravity of a MODU yields .

FSCL

KG

KGL

GML

578

C

Adding the transverse free surface correction to the uncorrected height of the center of gravity of a MODU yields .

FSCT

KG

KGT

GMT

592

B

After being launched from MODUs, totally enclosed survival craft which have been afloat over a long period require.

frequent opening of hatches to permit entry of fresh air

regular checks of bilge levels

use of ear plugs to dampen engine noise

frequent flushing of the water spray system with fresh water

593

A

After conducting a boat drill on a mobile offshore drilling unit, what must the Master or person in charge enter in the in the logbook?

Any inoperative equipment and the corrective action taken

The name of the lifeboatman in charge of each lifeboat

The location of the vessel at the time of the drill

The time it took to lower the boat

594

A

After conducting an abandonment drill, the Master or person in charge of a MODU shall log.

the names of crew members who participated in the drill

the length of time that each motor propelled lifeboat was operated in the drill

the length of time the lifeboat was in the water

the time it took to lower the boat

617

D

After using a CO2 extinguisher on a MODU, it should be .

put back in service if some CO2 remains

hydrostatically tested

retagged

recharged

626

B

All fire hoses on mobile offshore drilling units must be tested to a pressure of at least.

100 psi

110 psi

120 psi

130 psi

634

A

All MODU personnel should be familiar with the survival craft's.

boarding and operating procedures

maintenance schedule

navigational systems

fuel consumption rates

650

B

Although KG for a MODU in lightweight is relatively high, the vessel is stiff because.

KM is small

KM is high

BL is small

KB is large

657

B

Among the possible causes of unexpected constant inclination of the floating COASTAL DRILLER is .

consumption of on board liquids

miscalculation of loads

liquid transfer through open valves

flooding due to hull damage

658

D

Among the possible causes of unexpected rapid increasing inclination of the floating COASTAL DRILLER is.

consumption of on board liquids

miscalculation of loads

external environmental forces

flooding due to hull damage

659

D

Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while in transit is.

consumption of on board variables

miscalculation of loads

external environmental forces

flooding due to lower- hull damage

660

D

Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while on location is.

consumption of on board variables

miscalculation of loads

external environmental forces

flooding due to column damage

661

B

Among the valves on the DEEP DRILLER to open when using the Salt-Water Service Pump to pump water into tank 10S is.

48

47

37

23

662

C

Among the valves on the DEEP DRILLER which may be opened when using the Salt-Water Service Pump to pump water into Tank 1P is.

33

36

46

48

665

C

Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 10P to Tank 1S using #1 ballast pump, is valve.

24 Port

33 Port

34 Port

44 Port

666

A

Among the valves to open on the DEEP DRILLER, if you have to transfer ballast from Tank 1P to Tank 10S using #1 ballast pump, is valve.

33 Starboard

44 Starboard

33 Port

44 Port

667

C

Among the valves to open when deballasting using tanks 1P and 10P of the DEEP DRILLER is .

2 Port

24 Port

48 Port

44 Port

682

B

An elevated jack-up weighs 14,000 kips. Its TCG is located 1.0 foot to starboard of the centerline. What would be the new TCG for the jack-up if the drill floor, weighing 700 kips, is skidded 10 feet to port?

9.00 feet port

0.50 foot starboard

0.50 foot port

1.00 foot port

683

B

An elevated jack-up weighs 14,000 kips. The drill floor, weighing 700 kips, is skidded 10.0 feet to starboard. The change in TCG is.

9.00 feet starboard

0.50 foot starboard

1.50 foot starboard

1.00 foot starboard

684

C

An elevated jack-up weighs 14,000 kips. Its TCG is located 1.0 foot to port of the centerline. What would be the new TCG for the jack-up if the drill floor, weighing 700 kips, is skidded 10 feet to starboard?

9.00 feet starboard

0.50 foot starboard

0.50 foot port

1.0 foot port

685

C

An elevated jack-up weighs 17,000 kips. Its center of gravity is located 110 feet aft of frame zero (AF0). What would be the new LCG if the cantilever (weight 900 kips) and drill floor (weight 800 kips) were skidded 70 feet aft?

103.0 feet AF0

113.4 feet AF0

117.0 feet AF0

180.0 feet AF0

697

A

An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have .

an off-center TCG

an LCG greater than level vessel LCB

a negative GM

excessive free surfaces

712

D

An obstruction light on a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf, shall have a lens that is visible over an arc of .

60

90

180

360

714

A

An offshore drilling unit is required to carry on board an operations manual approved by the.

Coast Guard

National Cargo Bureau

Minerals Management Service

builder

715

D

An offshore drilling unit must be equipped with a first aid kit approved by the.

Coast Guard

American Bureau of Shipping

Minerals Management Service

Mine Safety and Health Administration

716

D

An offshore drilling unit must have enough inflatable liferafts to accommodate at least what percentage of the persons allowed?

20%

30%

50%

100%

728

C

Annual inspection of MODU cranes shall be conducted by.

U.S. Coast Guard

the person in charge

a qualified inspector

the crane operator

732

A

Any firefighting equipment that is carried in addition to the minimum required number on a MODU must .

meet the applicable standards

be marked as additional equipment

be stowed in a separate area

All of the above

734

C

Apparent wind speed blowing across a MODU under tow can be measured by a(n).

barometer

wind vane

anemometer

thermometer

775

B

At the instant when a string of casing being run from a MODU is landed in the well head,.

the total weight in air of the casing string is removed from the MODU

the hook load (weight of the casing string) is removed from the MODU

the weight of the casing inside the riser is removed from the MODU

the weight of the casing string added to the weight of the fill-up mud is removed from the MODU

776

B

At the required fire drill conducted aboard a MODU, all persons must report to their stations and demonstrate their ability to perform the duties assigned to them.

by the toolpusher

in the Muster List ("Station Bill")

by the person conducting the drill

at the previous safety meeting

786

C

Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in longitudinal free surface moments?

1492 ft-kips increase

1034 ft-kips increase

674 ft-kips increase

404 ft-kips increase

787

A

Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse free surface moments?

1492 ft-kips

674 ft-kips

404 ft-kips

270 ft-kips

788

C

Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse free surface moments?

47.2 kips tank #7 to tank #6

23.6 kips tank #7 to tank #6

23.6 kips tank #6 to tank #7

47.2 kips tank #6 to tank #7

789

D

Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in transverse moments with this transfer?

56 ft-kips

979 ft-kips

1035 ft-kips

2010 ft-kips

790

C

Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #13. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in vertical moments with this transfer?

81 ft-kips increase

31 ft-kips increase

26 ft-kips decrease

47 ft-kips decrease

791

A

Because there is a possibility of fuel oil being discharged overboard from a full fuel oil tank, it is decided to transfer 25 kips from tank #14 to tank #20. See COASTAL DRILLER Sample Load Form #1 (Rig Move). What would be the change in longitudinal moments with this transfer?

565 ft-kips

900 ft-kips

2603 ft-kips

3168 ft-kips

796

B

Before deballasting to survival draft in the event of predicted heavy weather, the DEEP DRILLER Operations Manual recommends that the mooring lines be slacked.

10 feet

20 feet

30 feet

40 feet

812

A

Between the side frames on a MODU, support for the deck beams is provided by.

stanchions

brackets

web frames

deck stringers

832

C

Bulkheads which form part of the tanks on a MODU are stiffened to withstand.

deck loads from above

dynamic forces while afloat

hydrostatic pressure

over-pressurization

833

A

Buoyancy associated with empty or partly empty ballast tanks in the mat of a mat supported jack-up MODU during jacking operations can cause .

capsizing

delays

progressive flooding

negative buoyancy

858

C

Cartridge-operated dry chemical extinguishers used on MODU's should have the propellant cartridge weighed every.

3 months

6 months

12 months

2 years

863

B

Certificates of Inspection for offshore drilling units are issued for a period of.

12 months

24 months

36 months

48 months

884

A

Compared to internal structural plating, the exterior hull plating on a MODU is usually.

stronger

thinner

more corrosion resistant

a lower grade steel

886

C

Compliance with the terms of the load line certificate on a MODU is the responsibility of the.

Ballast Control Operator

Barge Supervisor

Master or Offshore Installation Manager

operators representative

889

C

Considering the changes to lightweight shown in section 5 of the COASTAL DRILLER Manual, the maximum allowable combination of hook, rotary, and setback load for the COASTAL DRILLER with the rotary located 34 feet aft of the transom and two feet to port of the centerline is.

1000 kips

875 kips

854 kips

755 kips

890

D

Considering the changes to lightweight shown in Section 5 of the COASTAL DRILLER Manual, with the rotary 36 feet aft of the transom and 4 feet to port of the centerline, and with 300 kips in the setback, the maximum hook load is limited to.

870 kips

635 kips

335 kips

314 kips

892

B

Control of fire on a MODU should be addressed .

immediately after restoring vital services

immediately

following control of flooding

following establishment of fire boundaries

894

B

Control of flooding on a MODU should be addressed .

first

following control of fire

following restoration of vital services

only if a threat exists

899

A

Curve A in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during severe storm conditions during transit based on.

stability and leg strength

variable load

environmental load

load line

900

A

Curve B in the Design Limits of Legs Chart of the Coastal Driller Operating Manual, shows the operating limits during normal transit based on .

leg strength

variable load

environmental load

load line

903

C

Damage stability of a MODU is the stability .

which exists when the wind speed is less than 50 knots

before collision

after flooding

at survival draft

905

C

Deck beams on a MODU are generally spaced at equal intervals and run.

longitudinally

vertically

transversely

intermittently

915

C

Diesel powered industrial trucks on a MODU that are provided with safeguards to the exhaust, fuel, and electrical systems are designated.

DEFE

DE

DS

DES

919

B

Drilling loads on the COASTAL DRILLER are the combined loads arising from conductor tension, rotary, hook, and.

fixed loads

setback loads

basic loads

variable loads

925

A

Due to the hazards involved with Halon extinguishers on a MODU, the size II extinguisher may only be used .

outside

on class C fires

in an emergency

on class B fires

927

A

During a fire drill on a MODU, what action is required?

Start each fire pump

Launch and run a lifeboat

Inventory rescue and fire equipment

Inspect fire hoses

928

C

During a long ocean tow of a jack-up the clearance in the upper guide should be reduced to zero to restrain the leg and eliminate the impact loads from dynamic responses. This is best done by.

lowering the spud cans below the hull

raising the spud cans into hull recesses

tapering the upper guides and building up the teeth

remove certain lengths of leg

929

D

During a move to a new location, a jack-up drilling unit with personnel on board is towed through a heavy rainstorm. What signal must be sounded by the drilling rig when visibility is restricted?

One prolonged blast

Two prolonged blasts

One prolonged and two short blasts

One prolonged and three short blasts

930

C

During a severe storm while the COASTAL DRILLER is elevated, on board loads must be shifted so that the TCG is on the centerline and the LCG is .

40.00 feet AF0

68.33 feet AF0

119.44 feet AF0

160.33 feet AF0

933

A

During a storm, the mooring line on a MODU should be long enough so that the angle between the anchor shank and the ocean floor is.

0

30

60

90

938

A

During an ice storm on board the DEEP DRILLER, the rig is uniformly covered with 414 tons of ice. At the beginning of the storm the rig was at 45 foot draft. After the storm the rig was at a 48 foot draft. Assume a KG of 127 feet for the new ice and an original KG of 58 feet. What is the new KG of the DEEP DRILLER?

59.74 feet

60.34 feet

61.19 feet

61.27 feet

939

D

During an ocean tow when the winds are less than 70 knots, the maximum allowable KG for the COASTAL DRILLER is.

38.75 feet

42.00 feet

44.00 feet

65.00 feet

942

C

During counterflooding to correct a severe list or trim aggravated by an off-center load, a MODU suddenly takes a list or trim to the opposite side. You should .

continue counterflooding in the same direction

continue counterflooding, but in the opposite direction

immediately stop counterflooding

deballast from the low side

944

A

During jacking operations and transit, empty void spaces in the hull of a jack up MODU provide .

buoyancy

extra storage space

additional tank capacity

reduced stability

950

C

During storm conditions on a MODU, the mooring tensions should be adjusted so that.

all mooring lines have a different tension

the leeward lines have higher tension than the windward lines

the maximum tension of the most heavily loaded line does not exceed the safe working load

all horizontal tension forces on the windward lines are no greater than the vertical tension forces

952

B

During the passage of a severe storm the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at survival draft is .

998,942 ft-tons

996,522 ft-tons

990,430 ft-tons

889,555 ft-tons

954

C

During the required periodic abandon ship drill aboard a MODU, each person not assigned duties in the muster list is.

instructed in the use of portable fire extinguishers

shown a video demonstrating lifeboat launching

instructed in the use of life jackets

not required to attend the boat drill

959

A

Each buoyant work vest on a MODU must be .

Coast Guard approved

marked with the name of the unit

equipped with a water light

All of the above

965

A

Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the.

landing area and sources of vapor ignition

main deck

engine room

drill floor

966

B

Each emergency generator on a mobile offshore drilling unit, when tested, must be run under a full load for at least.

one hour

two hours

ten hours

four hours

968

A

Each emergency light on a MODU must be marked with .

the letter "E"

an arrow pointing to the nearest exit

a no-smoking symbol

the word "DANGER"

970

C

Each EPIRB required on a MODU shall be stowed in a manner which will permit.

easy access to its storage compartment

replacement of the battery without exposure to the weather

it to float free if the unit sinks

it to remain attached to the unit

971

C

Each EPIRB required on a MODU shall be tested using the integrated test circuit and output indicator every .

week

two weeks

month

two months

974

B

Each fire hose coupling on a MODU must have threads that meet the specifications of the .

American Petroleum Institute

National Standard Fire hose Coupling

American Society of Mechanical Engineers

Underwriter's Laboratories, Inc.

977

A

Each fire pump on a MODU must have a pressure gauge located at.

the pump discharge

the manifold connection

each fire station discharge

the pump station

979

C

Each fireman's outfit and its spare equipment on a MODU must be stowed.

in a locked cabinet in the machinery space

in an unlocked cabinet in the machinery space

in a separate and accessible location

at a fire hydrant location

982

D

Each hand portable fire extinguisher on a MODU must be marked with.

the name of the unit on which it is located

the date that it was installed on the unit

the names of the individuals qualified to use it

an identification number different from other extinguishers on the unit

983

C

Each hand portable, semi-portable and fixed fire extinguishing unit on a MODU must be tested and inspected at least once every.

six weeks

six months

twelve months

two years

995

A

Each person on a MODU carrying immersion suits must wear the immersion suit in a boat drill, or participate in a drill which includes donning the suit and being instructed in its use at least once every .

month

2 months

3 months

6 months

1001

B

Each ventilation system for an enclosed classified location on a MODU must provide a complete change of air every.

3 minutes

5 minutes

7 minutes

10 minutes

1017

C

Except as provided by approved special examinations, each offshore drilling unit must be dry- docked at least once during every.

12 month period

18 month period

24 month period

36 month period

1020

B

Explosive and flammable gasses are most likely to be encountered on a MODU.

at any location

on the drill floor and liquid mud handling areas

in bulk storage tanks

in machinery spaces

1030

C

Fire axes required on MODU's must be stored in the enclosure for fire hoses with the location marked " ".

Fire Axe Location

Hose Station No.

Fire Station No.

Firefighting Equipment

1035

B

Fire extinguishers used on MODU's are numbered by size I through V, with I being.

used for electrical fires only

the smallest

the most accessible

the most effective

1055

C

Fires on a MODU must be reported to the Coast Guard if there is death, injury resulting in more than 72 hours incapacitation, or property damage in excess of.

$ 5,000

$10,000

$25,000

$50,000

1072

D

For a floating MODU, the center of buoyancy and the metacenter are in the line of action of the buoyant force .

only when there is positive stability

only when there is negative stability

only when there is neutral stability

at all times

1073

A

For a floating MODU, the center of flotation is the point in the waterplane.

about which the MODU lists and trims

which coincides with the center of buoyancy

which, in the absence of external forces, is always vertically aligned with the center of gravity

which is shown in the hydrostatic tables as VCB

1074

B

For a floating MODU, true mean draft is always the .

average of the observed drafts

draft at the center of flotation

draft corresponding to the calculated displacement

mean of the calculated drafts

1077

A

For a jack-up, the angle of maximum stability corresponds approximately to the angle of .

deck edge immersion

the load line

downflooding

loll

1078

C

For a MODU not on an international voyage, an approved substitute for an impulse projected rocket- type line throwing appliance is a.

spring loaded line thrower

hand thrown buoyant line

shoulder-type line throwing gun

heaving line

1079

C

For a MODU with list, a decrease in GMT will cause the angle of inclination to.

stabilize at an angle of loll

decrease

increase

remain constant

1080

B

For a MODU with list, an increase in GMT will cause the inclination to.

stabilize at an angle of loll

decrease

increase

remain constant

1081

D

For a MODU with longitudinal inclination, an increase in GML causes.

list to stabilize at an angle of loll

trim to stabilize at an angle of loll

trim to increase

trim to decrease

1082

B

For a MODU with transverse inclination, an increase in GMT causes.

list to stabilize at an angle of loll

list to decrease

trim to decrease

list to increase

1083

A

For a MODU with trim, a decrease in GMT will cause the angle of inclination to.

increase

decrease

remain constant

stabilize at an angle of loll

1084

B

For a MODU with trim, an increase in GMT will cause the inclination to.

stabilize at an angle of loll

decrease

increase

remain constant

1085

B

For a semisubmersible moored in heavy weather conditions, the leeward lines should be paid out, and the windward lines adjusted so that.

the unit remains as close to the hole as possible

several weather lines carry about the same tension

at least 1,000 feet of chain lie along the bottom

the vertical component of chain tension at the lower fairlead is not excessive

1086

B

For a semisubmersible moored in heavy weather conditions, the weather lines should be adjusted so that several lines carry about the same tension, and the leeward lines are.

tensioned to reduce weather mooring line tensions

paid out to reduce weather mooring line tensions

adjusted so that at least 1,000 feet of chain lie along the bottom

adjusted so that the vertical component of chain tension at the lower fairlead is not excessive

1096

B

For means of abandonment of a MODU, which type of embarkation does not require prior approval by the Coast Guard?

Movable ladders

Fixed ladders

Safety booms

Elevators

1097

C

For MODU's operating under the U.S. flag, the construction portfolio must contain.

detailed construction plans

chemical and physical properties of ABS approved steels

approved welding procedures and welding test procedures

loading conditions and limitations

1098

B

For most MODU engines, the fuel is.

natural gas

diesel oil

propane

bunker fuel

1105

C

For the COASTAL DRILLER, what is the maximum rotary load that can be used when the rotary has been extended 40 feet aft of the transom?

750 kips

630 kips

609 kips

531 kips

1106

C

For the DEEP DRILLER, in deballasting to survival draft when threatened with heavy weather from 100 knot winds, a load form should be calculated to determine that.

the maximum allowable KG is exceeded

KG corrected for free surface effects does not exceed 62.24 feet

KG corrected for free surface effects does not exceed 62.09 feet

GM remains the same

1107

C

For the DEEP DRILLER, it is recommended that the number of lower-hull ballast tanks with free surfaces be less than.

2

4

6

8

1108

B

For the DEEP DRILLER, the maximum permissible offset which can be tolerated while drilling is .

10% of water depth

6% of water depth

4% of water depth

2% of water depth

1109

D

For the DEEP DRILLER, what are the longitudinal moments for a sounding of 15 feet in tank C3P?

1,055 foot-tons

7,772 foot-tons

-21,391 foot-tons

-25,669 foot-tons

1110

C

For the DEEP DRILLER, what are the transverse moments for a sounding of 5 feet in tank C3P?

1,005 foot-tons

2,139 foot-tons

-7,130 foot-tons

-10,797 foot-tons

1111

B

For the DEEP DRILLER, What are the vertical moments for a sounding of 10 feet in tank C3P?

1,055 foot-tons

4,754 foot-tons

14,621 foot-tons

17,113 foot-tons

1114

A

For the purposes of the International Rules of the Road, a jack-up drilling rig under tow is considered to be a .

vessel

non-displacement vessel

power-driven vessel

limited vessel

1115

D

For the purposes of the International Rules of the Road, a non-self-propelled mobile offshore drilling unit under tow is considered to be a.

non-displacement vessel

limited vessel

power-driven vessel

vessel

1116

D

For the purposes of the International Rules of the Road, a non-self-propelled, semisubmersible drilling unit under tow is considered to be a.

power-driven vessel

limited vessel

non-displacement vessel

vessel

1117

C

For use as protection from gas leaking from a refrigeration unit, each MODU must be equipped with a .

portable ventilation system

flame safety lamp

self-contained breathing apparatus

gas mask

1119

A

The Oil Record Book for all fixed or floating drilling rigs is the property of the.

U.S. government

state in whose water the drilling rig is located

drilling rig's owner

company leasing the drilling rig

1120

A

Forces within a drilling unit have caused a difference between the starboard and port drafts. This difference is.

list

heel

trim

flotation

1156

B

Guide tolerances during elevation of the jack-up rig will .

reduce spud can bearing pressure

keep the unit level and reduce overloading

reduce stresses on the hull

minimize the potential for punch-through

1166

B

Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible MODU increase the unit's.

tank capacities

stability in the event of damage

towing speed

anchor holding ratio

1189

D

How long must the records of tests and inspections of fire fighting equipment on board a MODU be retained on board?

6 months

1 year

3 years

Until the next inspection for certification

1190

D

How long shall the Master or person in charge of a MODU maintaining an unofficial logbook retain this logbook on board?

6 months

1 year

5 years

Until the next inspection for certification

1192

D

How many adult life jackets are required on board a MODU?

Enough for 100 percent of the persons allowed on board

One for each work station and industrial work site

Enough for 150 percent of the persons allowed on board

Both A & B above

1209

B

How many fireman's outfits are required on a MODU?

1

2

3

4

1210

B

How many independent bilge systems is the COASTAL DRILLER equipped with?

1

2

3

4

1215

B

How many people on board a MODU must be trained in the use of the fireman's outfit?

1

2

3

4

1224

B

How much additional solid weight could be loaded at a VCG of 189.7 feet on the DEEP DRILLER while loaded as shown in the Sample Load Form #4 (Drilling)? Assume ballast added or discharged to maintain draft is done so at 15 feet above the baseline.

279.2 long tons

314.2 long tons

404.2 long tons

461.9 long tons

1225

D

How much drill water is required for transfer between drill water tanks #25 and #26 in order to correct the list of the COASTAL DRILLER with total transverse moments of -6,800 ft-kips?

200 kips from tank #26 to tank #25

200 kips from tank #25 to tank #26

100 kips from tank #26 to tank #25

100 kips from tank #25 to tank #26

1226

B

How much drill water should be transferred from tanks #23 and #24 to tank #1 to level the COASTAL DRILLER, in transit at a draft of 10 feet 6 inches, if the total longitudinal moments are 1,700,000 ft-kips?

438 kips

451 kips

521 kips

537 kips

1228

D

How must each storage tank for helicopter fuel on a MODU be marked?

DANGER - KEEP AWAY

DANGER - EXPLOSIVE VAPORS

DANGER - NO SMOKING

DANGER - FLAMMABLE LIQUID

1229

C

How often are fire hoses required to be tested on a mobile offshore drilling unit?

Once a week

Once a month

Once a year

During each drill

1231

D

How often is a drill on the use of the line throwing appliance required to be held on a mobile offshore drilling unit?

Once a month

Once a year

Once a week

Once every three months

1233

D

How often must a rated load test be performed on a crane on a MODU?

Every 12 months

Every 24 months

Every 36 months

Every 48 months

1235

C

How often must the emergency generator be tested on a mobile offshore drilling unit?

Once each day

Once each week

Once each month

Once each year

1264

B

How wide must the safety net be that is required on the unprotected perimeter of the helicopter landing deck on a MODU?

1.0 meter

1.5 meters

2.0 meters

2.5 meters

1271

B

If a davit-launched liferaft aboard a MODU cannot be launched because of damage to the davit, you should .

inflate the liferaft on deck

roll the liferaft over the side

go to another liferaft station

get a saw and cut the liferaft free

1273

C

If a drill required by regulations is not completed on a mobile offshore drilling unit, the Master or person in charge must.

report this immediately to the OCMI

report this immediately to the Commandant of the Coast Guard

log the reason for not completing the drill

conduct two of the required drills at the next opportunity

1275

D

If a fixed foam firefighting system on a MODU is not of the premix type, a sample of the foam liquid must be tested by.

a Coast Guard inspection officer

the safety man aboard the unit

the designated person in charge of the unit

the manufacturer or his authorized representative

1281

B

If a mobile offshore drilling rig has four hand portable fire extinguishers that can be recharged by personnel on the unit, how many spare charges must be carried?

1

2

3

4

1282

A

If a MODU takes a sudden severe list or trim from an unknown cause, you should FIRST.

determine the cause before taking countermeasures

assume the shift is due to off-center loading

counterflood on the side opposite the list or trim

assume the cause is environmental forces

1283

D

If a MODU under tow starts jumping on its tow line, the most appropriate action to alleviate the condition is to .

change course

slow down

heave to

adjust tow line length

1288

C

If a severe storm threatens the COASTAL DRILLER while elevated as shown in the Sample Load Form #3 (Drilling), the variable loads would have to be reduced by .

3,282.5 kips

2,381.0 kips

1,000.0 kips

901.5 kips

1289

A

If a severe storm threatens the COASTAL DRILLER while elevated, the setback in the derrick should be lowered and placed in the pipe rack. Its weight should be accounted for as.

variable loads

drilling loads

environmental loads

fixed weight

1305

A

If H2S exposure is anticipated, fixed monitoring devices aboard a MODU should have a low level concentration alarm to alert personnel when H2S concentrations first reach a maximum of .

10 PPM

20 PPM

30 PPM

40 PPM

1309

D

If help has not arrived in 10-12 hours after you abandon a MODU in a survival craft, you should .

go in one direction until the fuel runs out

plot a course for the nearest land

take a vote on which direction you should go

shut down the engine(s) and set the sea anchor

1315

C

If not attached to the nozzle, each low-velocity spray applicator on a MODU must be stowed.

in a protected area on the main deck

inside a machinery space near the entrance

next to the fire hydrant to which the fire hose is attached

on a rack inside the quarters near the entrance

1322

C

If the charted water depth is 200 feet, the limits of service for the COASTAL DRILLER require an air gap of .

35 feet

32 feet

30 feet

25 feet

1324

A

If the DEEP DRILLER is damaged, the unit is designed to avoid downflooding in wind speeds up to .

50 knots

70 knots

90 knots

100 knots

1329

A

If the low side bilge pump fails and the high side bilge pump has insufficient suction to dewater the low side of the COASTAL DRILLER when afloat, you should use the.

saltwater eductor system

raw water tower pumps

mud pumps

preload pumps

1330

C

If the maximum amount of weight is stored in the pipe racks of the DEEP DRILLER, what is the weight per square foot?

250.0 pounds per square foot

312.5 pounds per square foot

350.0 pounds per square foot

400.0 pounds per square foot

1332

C

If the metacentric height is large, a floating MODU will .

be tender

have a slow and easy motion

be stiff

have a tendency to yaw

1334

A

If the metacentric height is small, a floating MODU will .

be tender

have a quick and rapid motion

be stiff

yaw

1339

D

If the result of loading a MODU is an increase in the height of the center of gravity, there will always be an increase in the.

metacentric height

righting arm

righting moment

vertical moments

1345

B

If there are a number of survivors in the water after abandoning a MODU, they should.

tie themselves to the unit so they won't drift with the current

form a small circular group to create a warmer pocket of water in the center of the circle

send the strongest swimmer to shore for assistance

form a raft by lashing their life preservers together

1352

C

If uniformly distributed in the cantilever pipe rack of the COASTAL DRILLER, how much pipe can be placed in the cantilever pipe rack area when the cantilever has been extended 40 feet aft of the transom?

630 kips

609 kips

500 kips

479 kips

1373

D

If you have to jump in the water when abandoning a MODU, your legs should be.

spread apart as far as possible

held as tightly against your chest as possible

in a kneeling position

extended straight down and crossed at the ankles

1380

A

If you must jump from a MODU, your posture should include.

holding down the life preserver against the chest with one arm crossing the other, covering the mouth and nose with a hand, and feet together

knees bent and held close to the body with both arms around legs

body straight and arms held tightly at the sides for feet first entry into the water

both hands holding the life preserver below the chin, with knees bent, and legs crossed

1385

C

If you observe any situation which presents a safety or pollution hazard during fuel transfer operations on a MODU, what action should you take FIRST?

Wait for the person in charge to act.

Notify the ballast control operator.

Shut down the transfer operation.

Sound the fire alarm.

1394

B

If you see someone fall overboard from a MODU, you should.

immediately jump in the water to help the individual

call for help and keep the individual in sight

run to the radio room to send an emergency message

go to the control room for the distress flares

1399

B

If you wear extra clothing when entering the water after abandoning a MODU it will.

weigh you down

preserve body heat

reduce your body heat

make it more difficult to breathe

1431

D

In a semisubmersible MODU, the columns contain void spaces above the waterline that used principally for .

equipment storage

machinery

elevators

reserve buoyancy

1432

D

In a severe storm while elevated, the drilling loads on the COASTAL DRILLER must be considered as .

hook loads

setback loads

rotary loads

variable loads

1433

A

In a storm, the leeward lines of a MODU's mooring system will.

pull the unit in the same direction that the weather is pushing it

pull the unit in the opposite direction that the weather is pushing it

tend to keep the unit on its original location over the well head

affect the unit's draft and inclination as maximum mooring tensions are reached

1434

D

In a storm, the windward lines of a MODU's mooring system provide.

a positive righting moment

an increase in KM

a negative restoring force

a positive restoring force

1446

C

In an emergency, the jacking system on the COASTAL DRILLER is capable of elevating the unit with a loading of.

14,158 kips

14,400 kips

17,280 kips

21,297 kips

1449

A

In anticipation of heavy weather, it is decided to deballast the DEEP DRILLER to survival draft. The marine riser should be disconnected, pulled, and laid down. After doing so, the riser tension will be .

zero

equal to the weight of the riser

dependent on the water depth

applied at the riser tensioner sheaves

1454

B

In case of damage to the DEEP DRILLER on location, the immediate objective is to reduce the unexpected inclination and return the unit to .

nearest sheltered port

near its original draft

drilling

survival draft

1455

B

In case of major damage to column C1P while the DEEP DRILLER is on location, you should pump from port-forward lower-hull tanks using.

all four ballast pumps

both port-side ballast pumps

saltwater service pump to supplement port- side ballast pumps

drill water pump to supplement port-side ballast pumps

1456

B

In case of minor damage to lower-hull tank 1P while the DEEP DRILLER is in transit, you should pump from tank 1P using.

all four ballast pumps

both port-side ballast pumps

saltwater service pump to supplement port- side ballast pumps

drill water pump to supplement port-side ballast pumps

1464

A

In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when .

there is burning oil on the water

there is a rescue craft in the area

water temperature is below 40F

a rigid survival craft is in the area

1465

B

In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when .

there is a rescue craft in the area

there is hydrogen sulfide present

water temperature is below 40F

a rigid survival craft is in the area

1466

C

In evacuation from a MODU, an individual without the option of a survival craft or liferaft should enter the water on the leeward side, except when .

there is a rescue craft in the area

water temperature is below 40F

there is a severe list to the windward side of the MODU

a rigid survival craft is in the area

1472

B

In how many locations must lifeboats be installed on a mobile offshore drilling unit?

1

2

3

4

1473

C

In how many locations must lifeboats be installed on a mobile offshore drilling unit?

4

3

2

1

1483

A

In MODU construction, a greater number of watertight bulkheads results in.

increased capacity to set flooding boundaries

decreased capacity to set flooding boundaries

reduced compartmentation

greater deck load capacity

1484

B

In MODU construction, beam brackets are triangular plates that join the deck beam to a.

bulkhead

frame

stanchion

deck longitudinal

1485

C

In MODU construction, beams are transverse girders which provide support to.

bulkheads

deckhouse structures

decks

vertical frames

1486

C

In MODU construction, bulkheads in the quarters are generally.

structural

watertight

non-structural

continuous

1487

C

In MODU drilling operations, the term tripping means .

releasing the tongs from the drill pipe

welding hard metal to tool joints

hoisting drill pipe out of and returning it to the wellbore

sliding a joint of drill pipe down to the pipe rack ramp

1488

C

In MODU operations, hoisting and lowering pipe in and out of the drilled hole is the main function of the .

swivel

cathead spool

drawworks

stand pipe

1502

B

In order to withstand fluid head pressure on a MODU, stiffeners are often attached to the bulkhead .

penetrations

plating

framing

brackets

1504

B

In plugging submerged holes on a MODU, rags, wedges, and other materials should be used in conjunction with plugs to.

reduce the water pressure on the hull

reduce the water leaking around the plugs

prevent progressive flooding

reduce the possibility of stress fractures

1510

D

In selecting a tug for moving a MODU, consideration should be given to its.

indicated horsepower, bollard pull, and displacement

indicated horsepower, maneuverability, and displacement

indicated horsepower, bollard pull, and maneuverability

bollard pull, displacement, and maneuverability

1516

B

In storm conditions in 600 feet of water, completely slacking the leeward mooring line of the DEEP DRILLER reduces the tension in that line to about .

25 kips

50 kips

75 kips

100 kips

1517

C

In storm conditions, when slacking the leeward mooring lines of the DEEP DRILLER, maintain in the chain locker at least.

500 feet

350 feet

200 feet

100 feet

1518

B

In storm conditions, when the DEEP DRILLER is in 600 feet water depth, and the high-line tension (HLT) is 350 kips, completely slacking the two leeward mooring line tensions reduces the HLT to .

375 kips

275 kips

245 kips

220 kips

1519

C

In storm conditions, when the environmental conditions are such that the DEEP DRILLER has disconnected the marine riser, the two leeward mooring lines should be.

tightened

slacked slightly

completely slacked

adjusted to give the same line tensions as the windward lines

1520

B

In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 400 feet water depth, the tensions in mooring lines 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about .

375 kips

330 kips

275 kips

220 kips

1521

A

In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 600 feet water depth, the offset is 9%. Completely slacking mooring lines 5 and 6 reduces the offset to.

6.5%

5.0%

2.5%

0.0%

1522

B

In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 600 feet water depth, the tensions in mooring line 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about .

375 kips

330 kips

275 kips

220 kips

1523

C

In storm conditions, with the wind and waves from the starboard bow of the DEEP DRILLER in 400 feet water depth, the offset is 7%. Completely slacking mooring lines 7 and 8 reduces the offset to .

6.5%

5.0%

4.0%

2.5%

1524

B

In storm conditions, with the wind and waves from the starboard bow of the DEEP DRILLER in 600 feet water depth, the offset is 8%. Completely slacking mooring lines 7 and 8 reduces the offset to .

6.5%

5.0%

2.5%

0.0%

1529

B

In the case of a casualty involving a MODU, the Master, owner, agent or person in charge shall make the records required by regulation available upon request to.

anyone involved in the casualty

any Coast Guard official authorized to investigate the casualty

the local Captain of the Port

All of the above

1530

A

In the case of an injury causing a person to be incapacitated, the Master or person in charge of a mobile offshore drilling unit must submit a report to the .

nearest Marine Safety or Marine Inspection Office

nearest hospital

Department of Energy

American Bureau of Shipping

1531

D

In the COASTAL DRILLER, LCG is obtained from the sum of the longitudinal moments by.

adding the sum of the weights

subtracting the sum of the weights

multiplying by the sum of the weights

dividing by the sum of the weights

1532

D

In the COASTAL DRILLER, TCG is obtained from the sum of the transverse moments by.

adding the sum of the weights

subtracting the sum of the weights

multiplying by the sum of the weights

dividing by the sum of the weights

1533

D

In the COASTAL DRILLER, VCG is obtained from the sum of the vertical moments by.

adding the sum of the weights

subtracting the sum of the weights

multiplying by the sum of the weights

dividing by the sum of the weights

1534

D

In the DEEP DRILLER, LCG is obtained from the sum of the longitudinal moments by.

adding the free surface correction

subtracting the free surface correction

multiplying by displacement

dividing by displacement

1535

D

In the DEEP DRILLER, TCG is obtained from the sum of the transverse moments by.

adding the free surface correction

subtracting the free surface correction

multiplying by displacement

dividing by displacement

1536

D

In the DEEP DRILLER, the longitudinal free surface correction (FSCL) is obtained from the total of the longitudinal free surface moments (FSML) by .

adding the LCG

subtracting the LCG

multiplying by displacement

dividing by displacement

1537

A

In the DEEP DRILLER, the transverse and longitudinal free surface moments for entry into the daily load form are obtained.

from tank tables

by multiplying displacement by the free surface correction

by dividing by displacement

by dividing by the free surface correction

1538

D

In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by .

adding the TCG

subtracting the TCG

multiplying by displacement

dividing by displacement

1539

D

In the DEEP DRILLER, VCG is obtained from the sum of the vertical moments by.

adding displacement

subtracting displacement

multiplying by displacement

dividing by displacement

1540

D

In the event of a casualty to a MODU, who is responsible to make records available to the Coast Guard official authorized to investigate the casualty?

Officer in Charge, Marine Inspection

The person who caused the casualty

The company man

The owner

1542

B

In the event of damage to the DEEP DRILLER which results in flooding to one of the lower-hull tanks, pump from.

nearby damaged tanks

nearby undamaged tanks containing ballast

tanks on the opposite corner

the opposite trim tank

1544

B

In the event the motion of the DEEP DRILLER is such that critical motion limits are exceeded, you should .

place the unit at 65 foot draft

place the unit at 45 foot draft

shift loads to increase KG

place the unit in standby

1559

A

In the MODU construction portfolio, materials which do not conform to ASTM or ABS specifications must also include the.

chemical and physical properties of the material

name of the alternative standard or specification

the ASTM or ABS specification the material approximates

manufacturer or origin of the material

1561

C

In the piping systems of a MODU, what type of valve gives the least resistance to fluid flow when fully open?

Globe valve

Butterfly valve

Gate valve

Packless valve

1571

A

In towing it is desirable for the tug and the MODU to ride wave crests simultaneously because .

shock loading on the tow line is reduced

towing speed is improved

the MODU is more visible from the tug

the catenary of the tow line is reduced

1572

D

In using the Allowable Wind and Wave Charts for the COASTAL DRILLER, leg penetration is assumed to be less than.

55 feet

45 feet

35 feet

25 feet

1573

C

In using the Allowable Wind and Wave Charts for the COASTAL DRILLER, which of the three leg reactions is required?

Minimum

Average

Highest

Preloaded value

1607

A

It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the beam, the total environmental force would be .

620 kips

595 kips

475 kips

425 kips

1608

B

It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the bow, the environmental force due to the wind would be.

595 kips

475 kips

425 kips

300 kips

1609

B

It is proposed to moor the DEEP DRILLER in 600 feet of water in a region in which the effective wind velocity could reach 80 knots, significant wave height could reach 30 feet, and the current could be 1.5 knots. If these conditions occurred at the same time from the bow, the total environmental force would be .

620 kips

595 kips

475 kips

425 kips

1611

B

It is the responsibility of the Master or person in charge of a MODU to ensure that.

the Muster List ("Station Bill") is posted in each compartment

temporary personnel and visitors are advised of emergency stations

names of crew members are listed on the Muster List ("Station Bill")

no changes are made to the Muster List ("Station Bill")

1615

A

Joiner bulkheads on a MODU provide.

compartmentalization

watertight integrity

structural support

tank boundaries

1617

B

Keeping the draft of a MODU at or below the load line mark will insure that the unit has adequate .

reserve ballast

reserve buoyancy

lightweight displacement

critical motions

1619

B

Knowing the compass heading that is 90 to the side of a MODU will enable the operator of a survival craft to initially steer.

into the wind

away in fire and smoke

directly to the standby boat

directly to the nearest land

1622

A

Laying down drill pipe from the derrick of a semisubmersible on location reduces the .

natural roll period

metacentric height

waterplane area

righting moment

1637

C

Lifeboat winches on a MODU are required to be inspected and an entry made in the logbook. What should this entry include?

The time required to lower a lifeboat

The time required to raise a lifeboat

The date of inspection and condition of the winch

All of the above

1638

A

Lifeboat winches on mobile offshore drilling units are required to be inspected and an entry made in the logbook. How often should this entry be made?

Every 3 months

Every 6 months

Every year

Only after conducting a boat drill

1642

A

Lighter longitudinal stiffening frames on the MODU side plating are called.

stringers

side frames

side stiffeners

intercostals

1654

B

Load line regulations are designed to insure that a MODU has adequate structural strength and sufficient .

lifesaving equipment

stability

mooring tension

riser tension

1655

C

Locations on a MODU where flammable hydrocarbon gas or vapors may accumulate due to drilling operations are defined as.

gaseous locations

hazardous locations

classified locations

designated locations

1658

C

Lowering the hull of the COASTAL DRILLER and refloating should be done in favorable weather conditions with wave heights not more than .

three feet

four feet

five feet

six feet

1666

C

Medical treatment aboard a MODU should not go beyond examination and emergency care without first consulting.

the designated medic aboard

the shore based superintendent

a medical doctor

the approved company medical manual

1670

C

Mobile offshore drilling units not required to have an official logbook shall.

maintain a logbook on Form CG-706

not be required to maintain a logbook

maintain an unofficial logbook

report only major events to the OCMI

1696

B

Obstruction lights on mobile offshore drilling units on the waters of the U.S. Outer Continental Shelf must be displayed.

at all times

between sunset and sunrise

whenever visibility is restricted

whenever vessels approach within one- half mile

1698

C

Of the required ring life buoys for a MODU, how many must be equipped with a water light?

1

2

4

8

1700

A

Offshore drilling units must have at least two ring buoys with water lights that, when released from the mounting rack, activate a.

smoke signal

steam whistle

battery powered horn

radio signal

1701

D

Offshore drilling units that are on an international voyage must have a portable radio apparatus that meets the requirements of the.

American Bureau of Shipping

Minerals Management Service

U.S. Coast Guard

Federal Communications Commission

1702

C

Offshore drilling units that carry twelve or more persons on a voyage of more than three days must have a.

recreation room

radar room

hospital space

navigation space

1714

D

On a mobile offshore drilling unit it is required to .

inspect the lifesaving gear provided in any helicopter landing on the rig

check the Certificate of Inspection of any support vessel bringing hazardous materials to the rig

insure that engineering spaces are in a clean and sanitary condition

record the length of each abandonment drill in the rig's log book

1715

B

On a MODU crane, the boom indicator tells the operator what the boom angle is compared to the .

vertical position

horizontal position

boom stop angle

minimum radius angle

1716

C

On a MODU crane, the load chart relates the allowable load to the combination of boom length and .

boom angle

boom strength

load radius

cable strength

1717

D

On a MODU with lifeboats stowed in two different locations, if all the lifeboats are lost in one location then the remaining lifeboats must accommodate what percentage of the persons permitted on board?

50%

75%

90%

100%

1718

A

On a MODU, a cabinet or space containing the controls or valves for the fixed firefighting system must be.

posted with instructions on the operation of the system

ventilated and equipped with explosion-proof switches

painted with red and black diagonal stripes

equipped with a battery powered source of emergency lighting

1719

B

On a MODU, a CO2 extinguisher is checked by .

reading the gage pressure

weighing the extinguisher

discharging a small amount of CO2

seeing if the seal has been broken

1720

D

On a MODU, a door that is required to be marked "KEEP CLOSED" is designed to.

prevent the passage of flammable gases

prevent the passage of poisonous vapors

delay the spread of heat and flames

maintain watertight integrity

1721

A

On a MODU, a fire drill shall be conducted once every .

week

month

crew change

other week

1722

B

On a MODU, a fire pump may be used for other purposes if.

the other services are run off a reducing station with a pressure gage

a separate fire pump is available for use on the fire main

all other services are operated by a manifold near the pump

All of the above

1723

A

On a MODU, a fixed carbon dioxide or other approved system must be installed.

where oil or chemical drums are stored

in all battery storage locations

in paint lockers

in all of the above locations

1724

B

On a MODU, an extinguisher with 15 lbs. of CO2 or 10 lbs. of dry chemical is a size.

I

II

III

IV

1725

B

On a MODU, an obvious indicator of lost circulation of drilling fluid is.

fluid level in the mud pits increases rapidly

fluid level in the mud pits decreases rapidly

increased cuttings on the shale shaker

decreased cuttings on the shale shaker

1726

D

On a MODU, CO2 extinguishers must be weighed .

monthly

quarterly

semiannually

annually

1727

B

On a MODU, each emergency generator must be tested at least once each.

week

month

three months

six months

1728

C

On a MODU, each EPIRB or SART must be tested at least once.

each week

every two weeks

each month

every two months

1729

C

On a MODU, firefighting equipment must be inspected once every.

three months

six months

twelve months

eighteen months

1730

C

On a MODU, hand portable extinguishers are size(s) .

II only

II and III

I and II

I only

1731

B

On a MODU, how many ring buoys are required to have a buoyant line attached?

One ring life buoy

One ring life buoy on each side of the MODU

Three ring life buoys

Two ring life buoys on each side of the MODU

1732

C

On a MODU, if there is a probability of encountering H2S during the drilling of a well, air movers (bug blowers) should be installed to dilute concentration of H2S at the.

pipe rack

crown block

shale shaker

All of the above

1733

C

On a MODU, size I and II extinguishers are considered.

fixed systems

steam generated

hand portable

semi-portable

1734

D

On a MODU, size III, IV, and V extinguishers are considered.

hand portable

all purpose

fixed extinguishers

semi-portable

1735

A

On a MODU, the deck stringer is the outboard most deck .

plating

beam

stiffener

stanchion

1736

C

On a MODU, the keel is the primary strength member of the lower hull form in which direction?

transverse

diagonal

longitudinal

vertical

1737

C

On a MODU, the locker or space containing the self- contained breathing apparatus must.

be located in close proximity to the main control station

be equipped with battery powered emergency lighting

be marked "SELF- CONTAINED BREATHING APPARATUS"

All of the above

1738

B

On a MODU, the possibility of a blowout makes which type of diesel engine shutdown desirable?

Overspeed trip

Air inlet shut-off valve

Water injector

Fuel cutoff valve

1739

B

On a MODU, watertight doors should be operated .

during abandon drill

during fire drill

weekly

when the rig is being moved

1740

D

On a MODU, when may a work vest be substituted for a required life preserver?

To replace a damaged life preserver

For use during fire drills

For use during boat drills

At no time

1741

A

On a MODU, where Must the fire control plan be posted?

Pilot house

Mess Area

Crew Lounge

None of the above

1742

C

On a MODU, where MUST the fire control plan be posted?

Crew lounge

Mess Area

Control Center

None of the above

1747

A

On a self-elevating drilling unit, draft marks must be located.

near each corner of the hull

at frame O, port and starboard

at bow and stern on the centerline

on each leg

1748

C

On a semisubmersible drilling unit, decreasing riser tension increases.

free surface moments

KM

GM

KG

1749

A

On a semisubmersible drilling unit, decreasing riser tension reduces.

KG

KM

GM

free surface moments

1750

A

On a semisubmersible drilling unit, increasing riser tension increases.

KG

GM

KM

free surface moments

1751

D

On a semisubmersible drilling unit, increasing riser tension reduces.

list

KM

KG

GM

1752

C

On a semisubmersible MODU, reserve buoyancy is increased by the presence of void spaces above the waterline in the.

submerged hulls

quarters

columns and upper structure

submerged connecting structures

1785

D

On all mobile offshore drilling units, the deckhead of each accommodation space must be located above .

the operating draft

the survival draft

the transit draft

the deepest load line

1788

B

On an offshore drilling rig, the pumps which circulate drilling fluid through the drill string while drilling are called the.

circulation pumps

mud pumps

centrifugal pumps

mixing pumps

1791

A

On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is.

well-conducted drills

a dedicated crew

good equipment

good communication

1809

C

On offshore drilling units all sleeping areas, mess areas, recreational and hospital areas that are adjacent to or immediately above a storage area or machinery space, paint locker, washroom, or toilet space must be made.

watertight

weathertight

odorproof

soundproof

1810

A

On offshore drilling units each fire station is identified by letters and numbers at least.

2 inches high

3 inches high

5 inches high

8 inches high

1811

A

On offshore drilling units each inflatable liferaft that is not intended for davit launching must be stowed so as to float free or be.

equipped with a hydrostatic release

stowed in approved racks

located above the main deck area

replaced every 12 months

1812

A

On offshore drilling units each ring life buoy must be marked, in a contrasting color, with the unit's .

name and port of registry

owner and port of registry

port of registry and identification number

name and owner

1813

A

On offshore drilling units fitted with CO2 systems, each space that contains a cylinder must be vented and designed to keep temperature in the space at not more than.

130F

150F

180F

200F

1814

B

On offshore drilling units fitted with fixed CO2 systems, the system must discharge at least 85 percent of the required amount of CO2 within .

1 minute

2 minutes

3 minutes

4 minutes

1815

B

On offshore drilling units fitted with fixed CO2 systems, the system must withstand a bursting pressure of at least.

5,000 pounds per square inch

6,000 pounds per square inch

8,000 pounds per square inch

10,000 pounds per square inch

1816

A

On offshore drilling units when two means of escape are provided from a space above the main deck, one means of escape must be required for rapid escape to .

a weather deck

the main deck

the control house

the escape capsules

1817

A

On offshore drilling units where foam systems are installed on the heliport, the system must be able to discharge continuously for at least.

5 minutes

6 minutes

8 minutes

10 minutes

1818

A

On offshore drilling units where natural ventilation is provided, each porthole or window must be fitted with .

screens

portlights

covers

curtains

1819

A

On offshore drilling units, boat drills must be conducted at least.

monthly

quarterly

daily

annually

1820

A

On offshore drilling units, a fire drill must be conducted at least once a.

week

month

quarter

year

1821

A

On offshore drilling units, all lifeboats are required to be marked with the.

name and port of the unit

owner and port of the unit

drilling location

builder

1822

B

On offshore drilling units, all lifeboats are required to be marked with the.

name of the owner of the unit

number of persons allowed in the boat

drilling location of the unit

All of the above

1823

A

On offshore drilling units, any reports of a casualty that are made are required to be retained on board for a period of at least.

3 months

6 months

12 months

24 months

1824

C

On offshore drilling units, each EPIRB or SART must be tested once every.

day

week

month

year

1825

A

On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal diameter of .

1-1/2 or 2-1/2 inches

2 or 3 inches

2-1/2 or 3-1/2 inches

3 or 4 inches

1826

B

On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal length of .

25 feet

50 feet

75 feet

100 feet

1827

B

On offshore drilling units, each fire station is required to be fitted with at least one spanner and at least one .

fire axe

hose rack

sandbag

scupper

1828

A

On offshore drilling units, each hand-held portable fire extinguisher, semi-portable fire extinguisher, and fixed fire extinguisher must be tested and inspected at least once every.

12 months

24 months

36 months

48 months

1829

A

On offshore drilling units, each inflatable liferaft must be serviced every.

12 months

24 months

36 months

48 months

1830

B

On offshore drilling units, each storage battery for emergency lighting and power systems must be tested every six months under actual connected load for a period of at least.

1 hour

2 hours

3 hours

4 hours

1831

B

On offshore drilling units, emergency lighting and each emergency power system must be tested at least once a.

day

week

month

year

1832

C

On Offshore Drilling units, in addition to the life jackets stowed at each berth location, life jackets must be stowed at each work station and .

the mess room

each lifeboat

each industrial work site

each fire station

1833

A

On offshore drilling units, notification shall be given to the Coast Guard of a casualty if a person is injured and unable to perform routine duties for.

any amount of time

more than 24 hours

more than 36 hours

more than 72 hours

1834

C

On offshore drilling units, sleeping spaces for the regular personnel employed on board may not berth more than.

two persons

three persons

four persons

five persons

1835

C

On offshore drilling units, the EPIRB on board is required to be tested.

daily

weekly

monthly

yearly

1836

B

On offshore drilling units, the fire main system must have enough fire hydrants so that each accessible space may be sprayed with at least.

one spray pattern

two spray patterns

three spray patterns

four spray patterns

1837

B

On offshore drilling units, the lifeboat motors shall be operated in the ahead and astern position at least once each.

day

week

month

year

1838

A

On offshore drilling units, the lifeboats' fuel tanks must be emptied and the fuel changed at least once every .

12 months

24 months

36 months

48 months

1839

B

On offshore drilling units, the lifeboats must be lowered to the water and maneuvered at least once every .

2 months

3 months

6 months

12 months

1840

A

On offshore drilling units, the minimum number of inclined ladders which must be fitted between each weather deck is.

1

2

3

4

1841

B

On offshore drilling units, the minimum number of persons required to be trained in the use of fireman's outfits is.

1

2

3

4

1842

B

On offshore drilling units, the minimum required number of fireman's outfits which must be carried is .

1

2

3

4

1843

D

On offshore drilling units, the Muster List ("Station Bill") must be posted in conspicuous locations and signed by the.

company man

driller

owner

Master or person in charge

1844

C

On offshore drilling units, the number of industrial personnel permitted to be on board during drilling operations is found on the.

Classification Certificate

Safety of Life at Sea Certificate

U.S. Coast Guard Certificate of Inspection

Owner's Operation Manual

1877

B

On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than .

16

20

24

30

1878

B

On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than .

14

20

26

32

1879

C

On surface type offshore drilling units, each survival craft must be capable of being launched to the water at the minimum operating draft, under unfavorable conditions of trim and with the unit listed not less than .

6

12

20

25

1886

B

On the COASTAL DRILLER, a noticeable increase in the level indicator while extracting the legs from the soil indicates.

the legs are free

one or two legs are stuck

a punch-through is occurring

the legs are being extracted through a punch-through soil layer

1887

D

On the COASTAL DRILLER, except when pumping from a tank, the bilge system valves should be .

cracked open

in the check-stop position

opened for draining

closed

1888

D

On the COASTAL DRILLER, hook load includes the weight of the.

setback load

rotary load

conductor tension

drill string

1889

D

On the COASTAL DRILLER, in case one of the two bilge pits is flooded, the other can operate through a(n).

six-inch line connected to the independent isolation valves to the sea chest

separate bilge discharge manifold

independent scavenger manifold

crossover arrangement

1890

C

On the COASTAL DRILLER, in case the bilge discharge is oily, the bilge water should be discharged through the.

overboard discharge

dump valves

skimmer tank

sump valves

1891

B

On the COASTAL DRILLER, placing the rotary 34 feet aft of the transom and two feet to starboard of the centerline, limits the maximum hook load to .

1000 kips

875 kips

750 kips

450 kips

1892

A

On the COASTAL DRILLER, the bilge discharge is normally through the.

overboard discharge

dump valves

skimmer tank

sump valves

1893

C

On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by .

visual sight gages

low and high level alarms

hydrostatic alarm switches

OSS units (overflow sequence selector units)

1894

B

On the COASTAL DRILLER, the level of water in each of two pump bilge pits is monitored by hydrostatic alarm switches connected to a remote panel located in the.

OIM's quarters

OIM's office

control house

SCR room

1895

B

On the COASTAL DRILLER, the maximum aft extension of the cantilever places the rotary .

68.33 feet aft of the transom

40.00 feet aft of the transom

38.33 feet aft of the transom

28.33 feet aft of the transom

1896

C

On the COASTAL DRILLER, the start/stop station for the bilge pumps is located.

in the OIM's office

in the control house

near the bilge pits

in the MCC

1897

B

On the COASTAL DRILLER, what is NOT considered a drilling load?

Hook load

Cantilever pipe rack

Conductor tension

Setback

1898

C

On the COASTAL DRILLER, when afloat, oily bilge discharge should be pumped through the .

overboard discharge

dump valves

skimmer tanks

raw water header

1899

B

On the DEEP DRILLER, among the port-side valves to open when deballasting from ballast tank 2P is valve .

3

5

6

7

1900

B

On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 2S is valve.

3

5

6

7

1901

D

On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 2S is valve.

8

19

20

48

1902

C

On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 8S is valve.

7

8

17

18

1903

A

On the DEEP DRILLER, among the starboard-side valves to open when flooding through the overboard discharge into ballast tank 1S is valve.

2

3

7

37

1904

B

On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10P to Tank 1S using the #2 ballast pump is valve.

33 Starboard

36 Starboard

33 Port

36 Port

1905

D

On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10S to Tank 1P using the #2 ballast pump is valve.

33 Starboard

44 Starboard

33 Port

34 Port

1906

C

On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 1S to Tank 10P using the #1 ballast pump is valve.

33 Starboard

44 Starboard

33 Port

44 Port

1907

C

On the DEEP DRILLER, the drill water pump may be used to supplement the bilge pumps. Its normal pumping rate is.

250 gallons per minute

350 gallons per minute

500 gallons per minute

700 gallons per minute

1908

C

On the DEEP DRILLER, to pump bilge water out of the starboard pump room using both bilge pumps, it is necessary to open valves.

41 and 42

39 and 40

39, 40, 41, and 42

39, 40, 41, 42, 26, and 28

1909

B

On the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 28 and.

25

26

29

48

1910

A

On the DEEP DRILLER, when using the starboard #2 ballast pump to provide water to the main deck from the sea, it is necessary to open valves.

37, 35, 36, 45

37, 36, 46, 47

38, 47

38, 47, 45, 46

1911

D

On the machinery deck of the COASTAL DRILLER, each watertight compartment has at least one sump valve that can be remotely operated from the .

OIM's quarters

OIM's office

control house

bilge pit

1937

D

One way to increase the period of roll on a semisubmersible rig while under tow is to .

dump deck tanks into lower hulls

plug ballast tank vents

head into the waves

increase tank free surface

1951

D

Periodic surveys to renew the load line assignment for a MODU must be made at intervals not exceeding .

18 months

2 years

3 years

5 years

1952

B

Personnel boarding a davit-launched liferaft from a MODU should be checked to assure they are not in possession of or wearing.

oil stained shoes or clothing

sharp objects that may puncture or damage the liferaft

matches or cigarette lighters

drugs or paraphernalia not approved by a medical doctor

1959

A

Port ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast the forward-port column using port ballast pump #2, it is necessary to open valves.

3, 34, 35, 36, 46, and 48

4, 34, 35, 36, 46, and 48

3, 34, 36, 46, and 48

4, 34, 36, 46, and 48

1963

C

Portable Halon extinguishers used on MODU's may use .

HALON 1301 only

HALON 22 only

HALON 1211 only

HALON 1301 or 1211

1965

D

Power operated cranes used on a MODU must not be powered by.

diesel engines

chargeable batteries

electric motors

gasoline engines

1966

D

Preload tank 22B on the COASTAL DRILLER contains 5.0 feet of preload. It is decided to complete filling the tank. What is the TCG of the added liquid?

65.60 feet

65.74 feet

65.77 feet

65.83 feet

1972

C

Prior to boarding from a MODU, a davit-launched liferaft should be well ventilated of excess .

hydrocarbon gas

carbon monoxide gas

carbon dioxide gas

freon gas

1973

C

Prior to burning or welding on a fuel tank on a MODU, regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by.

a marine chemist

the Officer in Charge, Marine Inspection

the Master or person in charge of the MODU

the National Fire Protection Association

1976

A

Prior to getting underway in fresh or brackish water, the Master or person in charge of a MODU must .

log the density of the water

secure all overboard discharges

take on fresh water ballast

clean the sides with fresh water

1977

C

Prior to getting underway, the Master or person in charge of a MODU must.

conduct a fire drill

conduct a boat drill

log the fore and aft draft marks

test the emergency generator

1981

C

Progressive flooding on a MODU is controlled by securing watertight boundaries and.

transferring drill water

dumping bulk materials

pumping out flooded compartments

evacuating the unit

1982

D

Progressive flooding on a MODU may be indicated by .

ballast control alarms

excessive draft

excessive list or trim

a continual worsening of list or trim

1997

A

Records which must be retained on board after report of casualty to a MODU include the.

tour reports

hull reports

machinery repair record book

deck equipment log

2004

B

Regulations require certain records to be retained on board a MODU for how long after the report of a casualty?

1 month

3 months

6 months

12 months

2005

D

Regulations require certain records to be retained on board for at least 3 months after a MODU is involved in a casualty or until advised that they are no longer needed on board by the.

owner

Master

person in charge

Officer in Charge, Marine Inspection

2013

C

Regulations require that line throwing equipment on mobile offshore drilling units be tested at regular intervals. What entry should be made in the logbook?

No entry is required unless it is an official logbook.

An entry is required only if there is a failure.

Only the date of the test

The name of the person making the test

2019

C

Reinforcing frames attached to a bulkhead on a MODU are called.

side longitudinals

intercostals

stiffeners

brackets

2021

B

Repair of structures on a MODU in the vicinity of liquid mud handling areas presents what possible hazard?

Toxic gasses may be present.

Flammable gasses may be present.

Liquid muds may flood adjoining spaces.

An oxygen-deficient atmosphere may be present.

2022

A

Repair of vital machinery and services on a MODU should be accomplished.

after control of fire, flooding, and structural repairs

immediately

after control of fire, but before control of flooding

after stability is restored

2023

C

Repairing damage to the hull of a MODU at or above the waterline reduces the threat of.

free surface effects

capsizing the MODU

continued progressive flooding

wind overturning moments

2025

C

Requirements for H2S preparation and equipment usage aboard MODU's in U.S. offshore waters are administered by the.

U.S. Coast Guard

U.S. Corps of Engineers

Minerals Management Service

American National Standards Institute

2038

C

Salt water ballast tank 2P on the DEEP DRILLER contains 5.0 feet of ballast. It is decided to fill the tank. What is the VCG of the added liquid?

7.5 feet

10.0 feet

12.5 feet

15.0 feet

2041

D

Sea water remaining in the preload tanks of the COASTAL DRILLER after the preload has been dumped shall be entered in the load form as .

basic load

fixed load

preload

liquid variable load

2046

C

Semi-portable extinguishers used on MODU's are sizes .

II, III, and IV

I, II, and III

III, IV, and V

IV and V

2047

B

Semisubmersibles A and B are identical. However, "A" is more tender than "B". This means that "A" relative to "B" has a.

lower KG

smaller GM

smaller roll angle

larger GZ

2060

B

Since accumulations of H2S gas on a MODU can be dangerous to personnel, it is important to know that H2S gas is.

lighter than air

heavier than air

a yellow gas that is easily recognized

mildly toxic

2074

A

Smoking in bed on a MODU is prohibited .

at all times

during evening hours

unless another person is present

during drilling operations

2090

C

Stanchions prevent the entire deck load on a MODU from being carried by the.

bulkheads

stringers

frames and beam brackets

deck longitudinals

2091

D

Standards for fabrication and testing of chain on mobile offshore drilling units are provided by the .

Department of the Interior

U.S. Coast Guard

Minerals Management Service

American Petroleum Institute

2092

A

Starboard ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast from the forward- starboard column using starboard pump #2, it is necessary to open valves.

3, 34, 35, 36, 46, and 48

4, 34, 35, 36, 46, and 48

3, 34, 36, 46, and 48

4, 34, 36, 46, and 48

2093

A

Starboard ballast pump #1 on the DEEP DRILLER has failed. To deballast from tank C2SA using starboard ballast pump #2, it is necessary to open the manual valve and which motor driven valves?

15, 34, 35, 36, 46, 48

16, 27, 32, 35, 36, 48

15, 33, 43, 48

14, 34, 35, 36, 46, 48

2102

B

Structural bulkheads on a MODU are usually .

continuous

watertight

transverse

non-watertight

2103

A

Structural stress levels in a MODU are the sum of loading stresses and stresses due to.

environmental loads

variable loads

ballast loading

mooring loads

2104

B

Structural stress on a MODU can be reduced by .

lessening the effect of environmental forces

even and symmetrical variable loading

local concentration of heavy consumables

increasing the metacentric height

2108

B

Subtracting the height of the center of gravity corrected for longitudinal free surface effects from the height of the longitudinal metacenter of a MODU yields .

GM

GML

KGL

KML

2109

B

Subtracting the height of the center of gravity corrected for transverse free surface effects from the height of the transverse metacenter of a MODU yields .

GM

GMT

KGT

KMT

2111

C

Support of MODU side plating is provided primarily by transverse.

beams

girders

frames

bulkheads

2122

C

The person in charge shall insure that each lifeboat on a MODU is lowered to the water, launched, and operated at least once every.

month

2 months

3 months

6 months

2150

D

The angle of loll is a stability term which applies to a floating MODU with.

off-center loading

stiff characteristics

excessive pitch or roll

negative initial stability

2152

D

The angle to which a floating MODU, with a negative initial metacentric height, lies while at rest in still water is the angle of.

trim

yaw

heel

loll

2161

C

The best information on the nature and extent of damage on a MODU is obtained from.

alarms and monitoring devices

the toolpusher

personnel at the scene of the damage

person in charge of the affected spaces

2186

D

The capacity of the COASTAL DRILLER preload tanks is.

21,297.0 kips

11,777.2 kips

9,753.7 kips

8,708.0 kips

2193

D

The center of flotation for the COASTAL DRILLER is located at the geometric center of the.

underwater volume

above water volume

amidships section

waterplane area

2200

B

The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the.

stress plate

keel

rider plate

main beam

2202

A

The certificate of inspection of a MODU will specify the .

number of licensed personnel required on board

maximum load line draft

maximum water depth for drilling

next date for an inclining experiment

2205

A

The chemicals in sacks aboard MODU's are palletized to reduce.

labor in loading and handling

pilferage

marking and labeling

contamination

2211

B

The COASTAL DRILLER at a draft of 10.5 feet, transfers a portion of the on board liquids from full drill water tank #23 to empty drill water tank #24. What is the change in the free surface correction?

0.69 foot

0.44 foot

0.34 foot

0.22 foot

2212

C

The COASTAL DRILLER has a change of trim by the head of 2.0 feet. What is the change of draft at the forward draft marks?

0.66 feet

1.00 feet

1.33 feet

2.00 feet

2213

D

The COASTAL DRILLER has a trim of 2.13 feet by the stern. If the draft at the forward draft marks is 8.0 feet, the draft at the after draft marks is.

7.00 feet

9.00 feet

9.42 feet

10.13 feet

2214

D

The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft at the forward draft marks is observed to be 8.0 feet. The draft at the center of flotation is.

7.00 feet

8.58 feet

9.00 feet

9.42 feet

2215

A

The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft in sea water at the forward draft marks is observed to be 8.0 feet. The KML is .

286.27 feet

299.09 feet

316.67 feet

355.42 feet

2216

A

The COASTAL DRILLER has a trim of 2.13 feet by the stern. The draft in sea water at the forward draft marks is observed to be 8.0 feet. The KMT is .

153.73 feet

160.42 feet

179.41 feet

203.97 feet

2217

A

The COASTAL DRILLER has suffered a casualty which requires an orderly evacuation of the unit using the lifeboats and liferafts. Among the items to accomplish in preparing to evacuate the unit is .

securing the unit as in preparation for a severe storm

distributing self- contained breathing devices

taking a soil sample of the bottom

All of the above

2218

B

The COASTAL DRILLER has sufficient reserve stability to overcome damage due to flooding of any one watertight compartment in winds to.

36 knots

50 knots

70 knots

100 knots

2219

C

The COASTAL DRILLER is drilling while weighing 15,436 kips. LM are 2,006,680 ft-kips, and TM are - 7,718 ft-kips. What is the port leg reaction?

3,806 kips

5,751 kips

5,879 kips

7,549 kips

2220

B

The COASTAL DRILLER is elevated in 192 feet of water. Leg penetration is 83 feet. The maximum leg reaction is 5,940 kips. The waves are 30 feet and the current is 2 knots. What is the maximum wind for drilling?

45 knots

50 knots

57 knots

62 knots

2221

B

The COASTAL DRILLER is elevated in 250 feet of water, experiencing 2 knots current and 70 knot winds. With a maximum leg reaction of 5,760 kips, the maximum wave height for drilling is.

15 feet

20 feet

25 feet

30 feet

2222

D

The COASTAL DRILLER is elevated to an air gap of 25 feet in 250 feet of water. The current is 2 knots and the waves are 30 feet. The maximum leg reaction is 6,120 kips. What is the maximum wind for drilling operations?

100 knots

70 knots

60 knots

40 knots

2223

C

The COASTAL DRILLER is elevated while preparing for the passage of a severe storm. With ideal loading, the static loading on each of the three legs would be 4,715 kips. However, the LCG is 121 feet AFO and TCG is 0.5 foot to starboard of the centerline. By how many kips does the starboard leg reaction exceed the ideal loading?

00 kips

32 kips

149 kips

181 kips

2224

C

The COASTAL DRILLER is experiencing a single amplitude roll angle of 1 degree and a roll period of 7 seconds. What is the maximum recommended water depth for elevating?

50 feet

100 feet

150 feet

200 feet

2225

C

The COASTAL DRILLER is experiencing a single amplitude roll angle of 2 degrees and a roll period of 10 seconds. What is the maximum recommended water depth for elevating?

50 feet

100 feet

150 feet

200 feet

2226

B

The COASTAL DRILLER is experiencing a single amplitude roll angle of 3 degrees and a roll period of 10 seconds. What is the maximum water depth that can be used for going on location?

45 feet

95 feet

145 feet

245 feet

2227

C

The COASTAL DRILLER is in ocean transit in which the winds are not expected to exceed 70 knots. In order to meet the leg strength requirements, the tip of can (TOC) position should be at.

0.00 feet (flush with bottom of hull)

1.20 feet

12.38 feet

60.50 feet

2228

B

The COASTAL DRILLER is in transit at a draft of 10.0 feet. It loads 216.43 kips of weight aboard. What is the new draft?

10.2 feet

10 feet 2 inches

10 feet 3 inches

10 feet 4 inches

2229

D

The COASTAL DRILLER is in transit at a draft of 10.5 feet. It discharges 216.43 kips of weight. What is the new draft?

10.7 feet

10.3 feet

10 feet 8 inches

10 feet 4 inches

2230

D

The COASTAL DRILLER is in transit at the load line draft. It discharges 279.93 kips of weight. The new draft is.

10.88 feet

10.8 feet

10.0 feet

10 feet 8 inches

2231

C

The COASTAL DRILLER is in transit loaded as shown in the Sample Load Form #1 (Rig Move). What would be the new KGT if, during the move, 170.9 kips of fuel oil is consumed from Diesel Oil Tanks #13 and #14?

48.98 feet

50.08 feet

50.70 feet

51.21 feet

2232

B

The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Drilling). What would be the new sum of longitudinal moments for the liquid variables if the entire contents of drill water tank #17 are transferred to drill water tank #18?

181,648 ft-kips

181,718 ft-kips

187,345 ft-kips

195,462 ft-kips

2233

C

The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Drilling). What would be the new sum of longitudinal moments for the liquid variables if the entire contents of tank #19 are transferred to tank #13?

12,344 ft-kips

173,493 ft-kips

181,174 ft-kips

1,929,523 ft-kips

2234

B

The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Rig Move). What would be the new sum of vertical moments for the liquid variables if the entire contents of tank #20 are transferred to tank #13?

2,365 ft-kips

2,244 ft-kips

2,195 ft-kips

170 ft-kips

2235

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what is the new height of the center of gravity corrected for longitudinal free surface effects?

48.41 feet

49.16 feet

50.79 feet

51.40 feet

2236

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what is the new height of the center of gravity corrected for transverse free surface effects?

47.49 feet

49.16 feet

50.82 feet

50.93 feet

2237

A

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 Drill Water Tanks are discharged, what is the new longitudinal free surface correction?

1.63 feet

2.14 feet

2.24 feet

2.38 feet

2238

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 Drill Water Tanks are discharged, what is the new transverse free surface correction?

1.77 feet

1.67 feet

1.56 feet

1.45 feet

2239

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new height of the longitudinal metacenter?

249.47 feet

250.16 feet

252.92 feet

253.90 feet

2240

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new height of the transverse metacenter?

134.95 feet

135.91 feet

136.38 feet

136.89 feet

2241

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new VCG?

47.21 feet

47.69 feet

48.41 feet

49.16 feet

2242

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the #1 drill water tank are discharged, what would be the new LCG?

118.46 feet AF0

119.44 feet AF0

119.98 feet AF0

120.42 feet AF0

2243

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the #7 drill water tank are discharged, what would be the new TCG?

-0.15 foot

0.00 foot

0.15 foot

0.29 foot

2244

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of the four bulk tanks are back-loaded to a supply boat, what would be the new draft?

7.16 feet

10.31 feet

10.57 feet

11.19 feet

2245

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the drill water in drill water tanks #6 and #25 are discharged, what is the new draft?

8.26 feet

10.66 feet

10.88 feet

11.10 feet

2246

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of the port pipe rack are back-loaded to an offshore supply vessel, how much drill water would have to be transferred from tank #1 to tank #26 to level the vessel in trim?

62.7 kips

64.4 kips

111.4 kips

114.9 kips

2247

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the margin on the maximum allowable KG if winds remain less than 70 knots?

0.00 feet

14.35 feet

14.82 feet

65.00 feet

2248

A

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new TCG if the entire contents of drill water tanks 6 and 7 are discharged?

-0.23 foot

0.00 foot

0.23 foot

0.54 foot

2249

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new trim angle if 500 kips of weight are shifted aft 60 feet?

2.02 degrees by the stern

1.51 degrees by the stern

0.98 degrees by the stern

0.61 degrees by the stern

2250

A

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds increase to greater than 70 knots?

0 kips

200 kips

600 kips

1,000 kips

2251

A

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). How much more variable load in kips can be placed on the unit if winds remain less than 70 knots?

0 kips

200 kips

600 kips

1,000 kips

2252

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are back-loaded to an offshore supply vessel, what longitudinal moment would have to be created to level the unit in trim at the new draft?

25,846 ft-kips

17,119 ft-kips

8,727 ft-kips

1,788 ft-kips

2253

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are back-loaded to an offshore supply vessel, what transverse moment would have to be created to level the unit in list at the new draft?

-3,604 ft-kips

-4 ft-kips

3,470 ft-kips

7,088 ft-kips

2254

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are back-loaded to an offshore supply vessel, what would be the new draft?

11.04 feet

10.88 feet

10.72 feet

9.02 feet

2255

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the margin on the maximum allowable KG if winds increase to greater than 70 knots, and the TOC is changed to the recommended value?

0.0 foot

1.0 foot

37.0 feet

38.0 feet

2256

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new LCG if the entire contents of drill water tanks 6 and 7 are discharged?

118.20 feet

119.44 feet

120.10 feet

121.36 feet

2257

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new Longitudinal Free Surface Correction (FSCL) if the entire contents of drill water tanks 6 and 7 are discharged?

2.24 feet

2.14 feet

2.10 feet

1.63 feet

2258

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new transverse free surface correction (FSCT) if the entire contents of drill water tanks 6 and 7 are discharged?

2.24 feet

2.14 feet

2.10 feet

1.67 feet

2259

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new VCG if the entire contents of drill water tanks 6 and 7 are discharged?

38.00 feet

48.38 feet

49.16 feet

65.00 feet

2260

C

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KML if the entire contents of drill water tanks 6 and 7 are discharged?

253.90 feet

253.24 feet

252.92 feet

252.24 feet

2261

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the value of KMT if the entire contents of drill water tanks 6 and 7 are discharged?

135.91 feet

136.38 feet

136.62 feet

136.89 feet

2262

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). While in field transit, the wind speeds are predicted to increase above 70 knots. What would be the change in KGL if the legs are lowered to the recommended value?

12.75 feet

13.65 feet

59.30 feet

60.50 feet

2263

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). While in field transit, the wind speeds are predicted to increase above 70 knots. What would be the new KGL if the legs are lowered to the recommended value?

50.65 feet

37.00 feet

36.53 feet

13.65 feet

2264

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What will be the LCG if the preload is dumped?

118.51 feet AFO

119.44 feet AFO

120.62 feet AFO

121.53 feet AFO

2265

D

The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the LCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom?

114.06 feet AFO

119.44 feet AFO

123.75 feet AFO

125.91 feet AFO

2266

B

The COASTAL DRILLER is loaded as shown in the Sample Load Form #2 (Preload). What would be the TCG if the preload is dumped and the cantilever and drill floor are skidded aft, placing the rotary 34 feet aft of the transom, and the drill floor is skidded 8 feet to port?

-0.52 foot

-0.33 foot

-0.17 foot

0.52 foot

2267

C

The COASTAL DRILLER is loaded as shown in the sample load from #2 (preload). All of the preload is dumped with the exception of 50 kips in preload tank #28. What is the new LCG?

119.11 feet AF0

119.44 feet AF0

119.68 feet AF0

120.11 feet AF0

2268

D

The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips. What is the weight of the missing load?

46 kips

84 kips

189 kips

217 kips

2269

B

The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips, total longitudinal moments 1,613,466 foot-kips, and total transverse moments -10,000 foot- kips. What is the longitudinal location of the missing load?

46 feet AFO

84 feet AFO

189 feet AFO

217 feet AFO

2270

B

The COASTAL DRILLER is observed to be level at a draft of 10 feet 6 inches. At the same time, the calculated load form shows the displacement to be 13,445 kips, total longitudinal moments 1,613,466 foot-kips, and total transverse moments -10,000 foot- kips. What is the transverse location of the missing load?

46 feet port of the centerline

46 feet starboard of the centerline

84 feet port of the centerline

84 feet starboard of the centerline

2271

C

The COASTAL DRILLER is operating with a wave clearance of about 20 feet. The out-of-level alarm sounds and the unit is found to be inclined 0.5 degree bow down. The recommended course of action is to.

prepare to take action in case inclination increases

jack the hull up on the bow leg

jack the hull down on the aft two legs

transfer weight, such as drill water, toward the stern

2272

C

The COASTAL DRILLER, elevated in 100 feet of water with 0 knots current, 30 foot waves, and wind speeds of 50 knots may continue drilling if the maximum leg reaction is less than.

6,180 kips

6,320 kips

6,440 kips

6,520 kips

2273

C

The COASTAL DRILLER, elevated in 150 feet of water with 0 knots current, 10 foot waves, and wind speeds of 70 knots may continue drilling if the maximum leg reaction is less than.

5,940 kips

6,020 kips

6,080 kips

6,520 kips

2274

C

The COASTAL DRILLER, elevated in 200 feet of water with 2 knots current, 30 foot waves, and wind speeds of 60 knots may continue drilling if the maximum leg reaction is less than.

5,700 kips

5,790 kips

5,870 kips

5,990 kips

2275

A

The COASTAL DRILLER, elevated in 200 feet of water, has two knots of current and 70 knot winds. With a maximum leg reaction of 5,840 kips, the maximum wave height for drilling is.

20 feet

30 feet

35 feet

40 feet

2276

B

The COASTAL DRILLER, following discharge of preload, should.

leave dump valves open

close all dump valves

remove dump valves

replace dump valves

2277

C

The COASTAL DRILLER, in field transit at a draft of 10 feet 0 inches with winds less than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is.

3.0 feet

3.4 feet

26.0 feet

26.4 feet

2278

A

The COASTAL DRILLER, in ocean transit at a draft of 10 feet 0 inches with winds greater than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is .

2.6 feet

4.1 feet

26.3 feet

26.8 feet

2279

D

The COASTAL DRILLER, in ocean transit at a draft of 10 feet 6 inches with winds greater than 70 knots, has a KGT of 38.7 feet and a KGL of 38.2 feet. The margin on the maximum allowable KG is .

26.8 feet

26.3 feet

1.8 feet

1.3 feet

2280

A

The COASTAL DRILLER, in ocean transit at a draft of 10 feet 6 inches with winds less than 70 knots, has a KGT of 50.6 feet and a KGL of 51.4 feet. The margin on the maximum allowable KG is.

13.6 feet

14.4 feet

40.0 feet

65.0 feet

2281

A

The COASTAL DRILLER, in transit during a severe storm while at a draft of 9 feet 6 inches, has a KGT of 39.1 feet and a KGL of 39.9 feet. The margin on the maximum allowable KG is.

2.6 feet

3.4 feet

25.1 feet

25.9 feet

2282

A

The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs so that the can tips are.

60.5 feet below the hull

48.5 feet below the hull

11.6 feet below the hull

1.2 feet below the hull

2283

A

The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for leg strength and.

stability

variable load

environmental load

load line

2284

A

The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for stability and.

leg strength

variable load

environmental load

load line

2285

C

The COASTAL DRILLER, in transit with winds less than 70 knots, has a draft of 10 feet 8 inches. The VM are 541,257 ft-kips, FSML are 32,000 ft-kips, and FSMT are 24,000 ft-kips. The margin on the maximum allowable KG is.

-2.3 feet

0.0 feet

23.7 feet

26.0 feet

2286

C

The COASTAL DRILLER, loaded as shown in the Sample Load Form #2 (Preload), dumps the preload. However, 138.4 kips remained on board. The LM for the remaining preload is 17,992 ft-kips. What is the new LCG?

119.33 feet AFO

119.44 feet AFO

119.54 feet AFO

119.66 feet AFO

2287

A

The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new LCG?

124.97 feet AFO

125.09 feet AFO

127.70 feet AFO

130.42 feet AFO

2288

D

The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new TCG?

-1.61 feet

-1.58 feet

0.43 feet

0.99 feet

2289

C

The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), dumps all the mud in pits 1, 2, 3, and 4. What is the new LCG?

122.02 feet AFO

125.03 feet AFO

125.63 feet AFO

131.46 feet AFO

2290

B

The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), dumps all the mud in pits 1, 2, 3, and 4. What is the new TCG?

-0.36 foot

-0.26 foot

0.31 foot

0.36 foot

2291

B

The COASTAL DRILLER, loaded as shown in the Sample Load Form #4 (Storm), discharges all the bulk in the four bulk tanks. What is the new LCG?

115.79 feet AFO

119.18 feet AFO

119.44 feet AFO

126.68 feet AFO

2292

D

The COASTAL DRILLER, loaded as shown in the Sample Load Form #4 (Storm), discharges all the bulk in the four bulk tanks. What is the new TCG?

-1.11 feet

-0.47 foot

1.07 feet

1.11 feet

2293

A

The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ft-kips and TM 2,158 ft-kips. What is the bow leg reaction?

7,026 kips

7,099 kips

7,144 kips

7,180 kips

2294

C

The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ft-kips and TM 2,158 ft-kips. What is the port leg reaction?

7,026 kips

7,099 kips

7,144 kips

7,180 kips

2295

D

The COASTAL DRILLER, when underway was loaded as shown in Sample Load Form #1 (Rig Move). It is now preloaded at minimum air gap waiting for all settling to take place. The preload, weighing 7,191.7 kips, has LM 870,196 ft-kips and TM 2,158 ft-kips. What is the starboard leg reaction?

7,026 kips

7,099 kips

7,144 kips

7,180 kips

2296

C

The COASTAL DRILLER, while drilling has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the starboard leg reaction?

4,060 kips

5,145 kips

5,559 kips

5,816 kips

2297

C

The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is -0.5 feet to port of the centerline. What is the bow leg reaction?

4,737 kips

4,916 kips

5,063 kips

5,145 kips

2298

C

The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is -0.5 feet to port of the centerline. What is the port leg reaction?

5,063 kips

5,104 kips

5,233 kips

5,345 kips

2299

C

The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is -0.5 foot to port of the centerline. What is the starboard leg reaction?

4,956 kips

5,063 kips

5,104 kips

5,233 kips

2300

A

The COASTAL DRILLER, while drilling, has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the bow leg reaction?

4,060 kips

5,145 kips

5,559 kips

5,816 kips

2301

D

The COASTAL DRILLER, while drilling, has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the port leg reaction?

4,060 kips

5,145 kips

5,559 kips

5,816 kips

2302

A

The COASTAL DRILLER, while elevated in 200 feet of water, has 2 knots of current, 50 knots of wind, and 30 foot seas. What is the maximum leg reaction for drilling?

6,090 kips

5,980 kips

5,540 kips

5,320 kips

2303

C

The COASTAL DRILLER, while in a normal transit, experiences single amplitude rolling of three degrees. What is the minimum period of roll which does not exceed the design limits of the legs?

1.5 seconds

3.0 seconds

5.5 seconds

7.0 seconds

2304

A

The COASTAL DRILLER, while in an ocean transit, experiences a single amplitude roll of 8 degrees. What is the minimum period of motion which does not exceed the design limits of the legs?

10 seconds

8 seconds

6 seconds

4 seconds

2305

B

The COASTAL DRILLER, while in normal transit, experiences a single amplitude roll of 6 degrees. What is the minimum roll period which does not exceed design limits of the legs?

10.5 seconds

8.0 seconds

4.5 seconds

1.0 second

2306

D

The COASTAL DRILLER, while in transit, expects the winds to increase to 75 knots. In order to meet the stability and leg strength requirements, the tip-of-can (TOC) position should be at.

0.00 feet (flush with bottom of hull)

1.20 feet

12.38 feet

60.50 feet

2307

B

The COASTAL DRILLER, while operating with minimal wave clearance, is inclined 0.5 degrees bow down. Lowering the stern may place the hull in the wave action. The recommended course of action is to .

prepare to take action in case inclination increases

jack the hull up on the bow leg

jack the hull down on the aft two legs

transfer weight, such as drill water, toward the stern

2308

D

The COASTAL DRILLER, with a displacement of 13,553 kips, has a draft of.

10.5 feet

11 feet 6 inches

11 feet 2 inches

10 feet 5 inches

2309

B

The COASTAL DRILLER, with a draft of 10 feet 3 inches in seawater, has a displacement of .

13,011 kips

13,336 kips

13,445 kips

14,637 kips

2310

A

The COASTAL DRILLER, with a draft of 10 feet 6 inches, has a displacement of.

13,662 kips

13,553 kips

13,011 kips

12,252 kips

2311

B

The COASTAL DRILLER, with no list, is at a true mean draft of 10 feet and 10 inches. LM is 1,699,463 ft-kips. Using only tanks #1, #25, and #26, how many kips of drill water must be transferred to level the jack-up?

Transfer 106.2 kips aft from #1 to #25 and #26

Transfer 53.1 kips each from #25 and #26 forward to #1

Transfer 612 kips from #25 to #26

Vessel is level; no need to transfer

2312

D

The COASTAL DRILLER, with no trim, is at a true mean draft of 10 feet and 10 inches. TM is -6,800 ft- kips. Using only tanks #1, #25, and #26, how many kips of drill water must be transferred to level the jack- up?

Transfer 53.1 kips each from #25 and #26 forward to #1

Transfer 100 kips from #26 to #25

Transfer 200 kips from #25 to #26

Transfer 100 kips from #25 to #26

2313

C

The COASTAL DRILLER's ability to meet the damage stability criteria depends on maintaining a watertight integrity, KGL and KGT less than maximum allowed, level attitude, and displacement less than .

11,777 kips

13,158 kips

14,158 kips

17,280 kips

2314

B

The COASTAL DRILLER's ability to meet the damage stability criteria depends on maintaining watertight integrity, displacement less than 14,158 kips, level attitude, and KGT and KGL less than.

the height of the righting arm

the maximum allowed

GMT and GML

BMT and BML

2326

D

The condition where a MODU on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in.

synchronism

harmony

check

step

2329

A

The connection facilities for the international shore connection required on board offshore drilling units in international service must be located to provide access.

to each side of the drilling unit

as close as possible to the control house

on the drill floor

on each level of the accommodation space

2330

B

The construction portfolio may be included as part of the MODU.

general plans

operating manual

builders documentation

Coast Guard file

2338

C

The davit aboard a MODU is used to.

lower personnel down by a transfer basket

lower food and water to personnel in a liferaft

lower the liferaft down with its full complement

move equipment around the deck

2340

A

The deck loads on a MODU are distributed through the deck beams to the.

frames

hull

stringers

plates

2341

D

The deck plating on a MODU is supported primarily by deck longitudinals and deck.

girders

stanchions

frames

beams

2343

C

The decks of a MODU are supported by transverse members called.

trusses

deck longitudinals

deck beams

web frames

2345

D

The DEEP DRILLER as currently configured is limited to a maximum drilling depth of.

18,400 feet

20,600 feet

22,800 feet

25,000 feet

2346

B

The DEEP DRILLER as currently configured is limited to a maximum water depth of.

400 feet

600 feet

800 feet

1,000 feet

2347

B

The DEEP DRILLER at a draft of 58.0 feet discharges 1,792.44 long tons of ballast. What is the new draft?

40 feet

45 feet

50 feet

55 feet

2348

C

The DEEP DRILLER at a draft of 58.0 feet loads 68.94 long tons of ballast. What is the new draft?

52.0 feet

57.5 feet

58.5 feet

64.0 feet

2349

C

The DEEP DRILLER at a draft of 60.0 feet discharges 68.94 long tons of ballast. What is the new draft?

66.0 feet

60.5 feet

59.5 feet

55.0 feet

2350

C

The DEEP DRILLER at survival draft loads 2,068.1 long tons of ballast. What is the new draft?

30.0 feet

45.0 feet

60.0 feet

75.0 feet

2351

B

The DEEP DRILLER departs a fresh water port at a draft of 19.5 feet. What will be the draft in sea water?

18.7 feet

19.1 feet

19.4 feet

19.8 feet

2352

C

The DEEP DRILLER departs a fresh water port at a draft of 20 feet. What will be the draft in sea water?

19.0 feet

19.3 feet

19.6 feet

20.4 feet

2353

C

The DEEP DRILLER departs a fresh water port at a draft of 20.5 feet. What will be the draft in sea water?

18.2 feet

19.4 feet

19.7 feet

22.8 feet

2354

A

The DEEP DRILLER has a KGL of 53.16 feet while at a draft of 58.0 feet. Although there are no environmental forces, trim is 2.0 feet by the stern. What is the value of LCG?

2.16 feet

2.26 feet

2.36 feet

2.46 feet

2355

C

The DEEP DRILLER has a KGT of 52.90 feet while at a draft of 58.0 feet. List is 2.0 feet to port. What is the value of TCG?

-0.10 foot

-0.13 foot

-0.16 foot

-0.19 foot

2356

B

The DEEP DRILLER in transit is level at 23.0 feet draft. Strong winds are blowing from the starboard. A careful load form calculation determines that the TCG is 2.0 feet to starboard. What is the value of the wind heeling moment?

4,339 foot-long tons

26,033 foot-long tons

39,050 foot-long tons

78,099 foot-long tons

2357

B

The DEEP DRILLER is anchoring in 600 feet of water. In the absence of environmental forces, the mooring lines should be adjusted to.

245 kips

222 kips

237 kips

194 kips

2358

C

The DEEP DRILLER is being towed at a 20 foot draft. Vessel motions are within acceptable limits, but the waves begin to hit the horizontal braces. You should .

continue on course at the same draft

ballast to a 60 foot draft and continue on course

change course to reduce the wave impact

shorten the tow wire for a smoother ride

2359

D

The DEEP DRILLER is drilling at 60 feet draft at a corrected KG of 54.0 feet. Ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much non-liquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots?

1283 long tons

817 long tons

679 long tons

302 long tons

2360

A

The DEEP DRILLER is drilling on location at a 60 foot draft. Waves are approaching within 2 feet of the underside of the spider deck. You should .

suspend drilling operations and deballast to a 45 foot draft

continue drilling while ballasting to a 20 foot draft maximum air gap

deballast when the waves just begin to hit the underside of the spider deck

reduce tension on all anchor chains to increase draft

2361

A

The DEEP DRILLER is engaged in wire line logging. You have 10,000 feet of drill pipe and bottom hole assembly in the set back. Marine weather forecasts are predicting weather with winds in excess of 70 knots. Your first step to prepare for the storm should be to .

suspend wire line operations and run the drill string into the hole

continue wire line operations and bring the rig to a 45 foot draft

suspend wire line operations and dump your mud pits overboard

increase tension on all anchor chains to minimize movement of the rig

2362

C

The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of LCG?

0.00 (amidships)

2.23 feet forward of amidships

2.26 feet forward of amidships

2.31 feet forward of amidships

2363

A

The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of TCG?

0.00 on the centerline

2.23 feet forward of amidships

2.26 feet forward of amidships

2.31 feet forward of amidships

2364

D

The DEEP DRILLER is level at a draft of 60 feet in calm water. What is the value of the righting moment?

18,118 foot-tons

9,059 foot-tons

4,529 foot-tons

0 foot-tons

2365

C

The DEEP DRILLER is loaded as shown in Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new height of the center of gravity corrected for transverse free surface effects?

51.50 feet

52.54 feet

52.88 feet

53.54 feet

2366

A

The DEEP DRILLER is loaded as shown in Sample Load Form #3 (Preparing to Drill). What is the margin on the maximum allowable KG while drilling?

4.58 feet

5.24 feet

6.27 feet

6.94 feet

2367

A

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). If port valves 24 and 2 are mistakenly opened, the change in inclination will be increasing trim by the.

bow with port list

bow

stern

stern with starboard list

2368

C

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of FSML for Fresh Water if the entire contents of Drill Water Tank #5P are transferred to Tank #5S?

3,645 ft-tons

3,328 ft-tons

317 ft-tons

0 ft-tons

2369

C

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for Fuel Oil (Table 2) if the entire contents of Tank 4P are transferred to Tank 4S?

000 foot-tons

3,992 foot-tons

7,984 foot-tons

15,968 foot-tons

2370

B

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker?

5,996 foot-tons

1,688 foot-tons

495 foot-tons

115 foot-tons

2371

B

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse free surface moments for Fuel Oil (Table 2) if the entire contents of Tank #4P are transferred to Tank #4S?

0 foot-tons

1,189 foot-tons

2,378 foot-tons

7,984 foot-tons

2372

A

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of vertical moments for the Stores & Supplies if paint weighing 3.48 tons is added to the paint locker?

13,346 foot-tons

5,054 foot-tons

964 foot-tons

292 foot-tons

2373

C

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 17 fails in the closed position. You may deballast from tank 8S by pumping from tank 9S and opening valves 18 and .

35

21

20

17

2374

C

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). While the unit is deballasting, starboard valve 19 fails in the closed position. You may deballast from tank 9S by pumping from tank 8S by opening valves 20 and .

35

21

18

17

2375

D

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse moments for Fuel Oil if the entire contents of Tank 4P are transferred to Tank 4S?

995 foot-tons

16,918 foot-tons

17,713 foot-tons

34,381 foot-tons

2376

D

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of transverse moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker?

592 foot-tons

296 foot-tons

148 foot-tons

000 foot-tons

2377

A

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of vertical moments for Fuel Oil if the entire contents of Tank 4P are transferred to Tank 4S?

3,493 foot-tons

1,797 foot-tons

1,748 foot-tons

100 foot-tons

2378

B

The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal free surface moments for Fuel Oil (Table 2) if the entire contents of Tank #4P are transferred to Tank #4S?

1,189 foot-tons

2,835 foot-tons

5,378 foot-tons

5,670 foot-tons

2379

A

The DEEP DRILLER is loaded as shown in Sample Load Form #4, (Drilling). In preparing for approaching heavy weather, the four leeward mooring lines are slacked. These actions reduce the .

natural pitch period

metacentric height

height of the righting arm

righting moment

2380

C

The DEEP DRILLER is loaded as shown in Sample Load Form #4. While the unit is deballasting, port valve 5 fails in the closed position. You may deballast from tank 2P by pumping from tank 9P by also opening valves 6 and.

35

21

20

8

2381

D

The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, port valve 5 fails in the closed position. You may deballast from tank 2P by pumping from tank 1P after opening valves 6 and.

35

7

4

2

2382

C

The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, starboard valve 5 fails in the closed position. You may deballast from tank 2S by pumping from tank 1S after opening valves 6 and .

8

7

2

1

2383

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). According to the deck load graph, how much additional deck load could be added on the unit?

561.87 long tons

461.87 long tons

281.34 long tons

192.59 long tons

2384

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). According to the deck load graph, how much additional deck load could be added on the unit?

435.59 long tons

321.59 long tons

281.59 long tons

192.59 long tons

2385

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Additional deck load may be placed aboard. If the maximum permissible deck load were placed in the pipe racks at a VCG of 130 feet, the KG increases.

1.43 feet

1.89 feet

2.23 feet

2.43 feet

2386

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Although winds are less than 70 knots, excessive motion requires ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet, and upon arrival at 45 feet, port and starboard ballast tanks 1, 3, and 8 are slack. What will be the new margin on the maximum allowable KG?

7.08 feet

8.12 feet

8.44 feet

8.96 feet

2387

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Excessive motion makes it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foot-tons, what is the new margin on the maximum allowable KG?

6.23 feet

5.11 feet

4.86 feet

4.06 feet

2388

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). How much additional deck load can be placed aboard without exceeding the deck load limit?

1,335.6 long tons

1,086.6 long tons

585.4 long tons

435.6 long tons

2389

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). If the maximum permissible deck load were placed aboard at a VCG of 130 feet, what would be the new draft?

19 feet 9 inches

20 feet 4 inches

20 feet 8 inches

21 feet 4 inches

2390

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). If weather conditions make it necessary to ballast down to survival, how much ballast would be required?

3,998.3 long tons

4,086.5 long tons

4,188.0 long tons

5,087.0 long tons

2391

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Severe motion makes it necessary to ballast down to survival draft. It is decided to check stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foot-tons, what is the new GML?

6.23 feet

5.11 feet

4.86 feet

4.06 feet

2392

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet?

2,094 long tons

2,194 long tons

2,294 long tons

3,294 long tons

2393

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foot-tons, what is the new KGL?

54.76 feet

55.76 feet

57.22 feet

61.16 feet

2394

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, what is the new KG?

54.76 feet

55.76 feet

57.22 feet

57.76 feet

2395

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet, and upon arrival at 45 feet, port and starboard ballast tanks 1, 3, and 8 are slack. What is the new KGL?

51.65 feet

52.67 feet

55.16 feet

62.24 feet

2396

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet. What would be the value of uncorrected KG?

51.65 feet

52.67 feet

55.15 feet

62.24 feet

2397

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that upon arrival at 45 feet, port and starboard ballast tanks 2 and 9 will be full and that port and starboard ballast tanks 1, 3, and 8 will be slack. What would be the new value of the total longitudinal free surface moments (FSML)?

69,658 foot-tons

56,244 foot-tons

42,830 foot-tons

30,168 foot-tons

2398

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for longitudinal free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

67.04 feet

68.02 feet

68.72 feet

69.21 feet

2399

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

65.95 feet

66.85 feet

67.66 feet

68.59 feet

2400

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new metacentric height corrected for longitudinal free surface effects if the entire contents of salt water ballast 1anks 1P and 1S are discharged? (Use KML = 348.58)

261.11 feet

279.37 feet

283.37 feet

301.12 feet

2401

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (transit). What is the new metacentric height corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? (Use KMT = 375.38 feet)

375.38 feet

345.23 feet

319.66 feet

306.79 feet

2402

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new LM (longitudinal moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

5,191 ft-tons

13,414 ft-tons

31,992 ft-tons

69,175 ft-tons

2403

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new TM (transverse moments) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

-3,436 ft-tons

3,446 ft-tons

3,594 ft-tons

22,682 ft-tons

2404

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new vertical moments if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

12,662 ft-tons

794,346 ft-tons

795,025 ft-tons

795,704 ft-tons

2405

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new longitudinal free surface correction (FSCL) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

1.06 feet

1.09 feet

3.30 feet

3.38 feet

2406

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new transverse free surface correction (FSCT) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

0.46 foot

0.71 foot

1.08 feet

1.44 feet

2407

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballast to Survival). What is the new longitudinal location of the center of buoyancy if all the bulk materials are discharged?

2.34 feet

2.48 feet

2.50 feet

2.53 feet

2408

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for longitudinal free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?

6.46 feet

7.09 feet

7.72 feet

8.39 feet

2409

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the metacentric height corrected for transverse free surface effects if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?

10.42 feet

10.87 feet

11.50 feet

12.13 feet

2410

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new draft if all the bulk materials are discharged?

36.23 feet

44.27 feet

45.73 feet

53.77 feet

2411

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the longitudinal metacenter if all the bulk materials are discharged?

61.34 feet

62.13 feet

62.35 feet

64.00 feet

2412

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the transverse metacenter if all the bulk materials are discharged?

63.14 feet

64.05 feet

64.30 feet

66.09 feet

2413

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in LCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?

0.06 foot aft

0.14 foot aft

0.27 foot aft

0.40 foot aft

2414

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in TCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?

0.01 foot starboard

0.18 foot starboard

0.27 foot starboard

0.39 foot starboard

2415

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in VCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials?

0.19 foot down

0.44 foot down

0.63 foot down

1.19 feet down

2416

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the VCG of the added liquid if 100.76 long tons of ballast are added to Ballast Tank #8S?

1.35 feet

6.95 feet

8.30 feet

15.26 feet

2417

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new draft?

60 feet 9.6 inches

59 feet 2.7 inches

57 feet 11.5 inches

56 feet 10.9 inches

2418

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the longitudinal metacenter?

61.13 feet

61.19 feet

61.22 feet

62.94 feet

2419

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new height of the transverse metacenter?

61.19 feet

62.80 feet

62.99 feet

62.94 feet

2420

A

The DEEP DRILLER is loaded as shown in the Sample Load form #3 (Preparing to Drill). If all the liquid mud (see table 8) is dumped, what would be the new metacentric height corrected for transverse free surface effects?

11.26 feet

10.07 feet

9.67 feet

8.30 feet

2421

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #1 (see table 8) is dumped, what would be the new draft?

60 feet 9.6 inches

59 feet 9.3 inches

59 feet 2.7 inches

56 feet 10.9 inches

2422

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new height of the center of gravity corrected for longitudinal free surface effects?

50.29 feet

53.55 feet

53.92 feet

54.24 feet

2423

C

The DEEP DRILLER is loaded as shown in the Sample Load form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new metacentric height corrected for longitudinal free surface effects?

10.07 feet

8.80 feet

7.59 feet

5.45 feet

2424

C

The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new uncorrected height of the center of gravity?

50.72 feet

51.25 feet

51.87 feet

53.22 feet

2425

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #3 (Preparing to Drill). According to the deck load graph, how much additional deck load could be added to the unit?

526.87 long tons

276.87 long tons

241.50 long tons

189.51 long tons

2426

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the sounding level changed from 8 to 6 feet?

80.00 long tons

77.75 long tons

83.34 long tons

106.67 long tons

2427

A

The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the sounding level changed to 6 feet and the mud weight decreased from 16 to 14 pounds/gallon?

70.00 long tons

84.17 long tons

93.34 long tons

106.67 long tons

2428

B

The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). What would be the weight of the mud in pit #4 if the mud weight was changed from 16 to 14 pounds per gallon?

No change

93.34 long tons

121.91 long tons

135.13 long tons

2429

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the transverse free surface correction is.

1.25 feet

0.82 foot

0.34 foot

0.18 foot

2430

C

The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the longitudinal free surface correction is.

1.25 feet

0.90 foot

0.83 foot

0.34 foot

2431

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the transverse free surface corrections is.

1.25 feet

0.90 foot

0.84 foot

0.22 foot

2432

D

The DEEP DRILLER is loaded as shown in the Sample Load Form #5 (Survival), when an unexpected, slowly increasing port list and bow down trim occurs. A leak in C1P is found. By deballasting from ballast tanks 2P and 3P, the inclination slowly decreases. The increase in the longitudinal free surface correction is.

0.90 foot

0.83 foot

0.57 foot

0.49 foot

2433

B

The DEEP DRILLER is loaded as shown is Sample Load Form #4 (Drilling). What would be the change in vertical moments for Fresh Water if the entire contents of Drill Water Tank 5P are transferred to Drill Water Tank 5S?

5,683 ft-tons

2,689 ft-tons

306 ft-tons

000 ft-tons

2434

C

The DEEP DRILLER is moored in 600 feet of water. The average line tension is 190 kips. What is the total vertical component of chain tension?

55.3 long tons

428.8 long tons

442.4 long tons

678.4 long tons

2435

B

The DEEP DRILLER is moored in 600 feet of water. The tension on anchor line #8 is 190 kips. What is the vertical component of chain tension for that line?

53.6 long tons

55.3 long tons

84.8 long tons

442.4 long tons

2436

C

The DEEP DRILLER is moored in 700 feet of water. The average tension on the mooring lines is 200 kips. What is the total vertical component of chain tension?

60.9 long tons

472.8 long tons

487.2 long tons

714.4 long tons

2437

B

The DEEP DRILLER is moored in 700 feet of water. The tension on anchor line #3 is 200 kips. What is the vertical component of chain tension for that line?

59.1 long tons

60.9 long tons

89.3 long tons

487.2 long tons

2438

D

The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moment 51,466 foot-kips, and total transverse moments -10,000 foot-kips. What is the transverse location of the missing load?

36.67 feet

0.56 foot

-0.55 foot

-36.67 feet

2439

D

The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moments 51,466 foot-tons, and total transverse moments -10,000 foot-tons. What is the longitudinal location of the missing load?

40.45 feet

0.62 feet

-0.61 feet

-40.57 feet

2440

D

The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moments 51,466 foot-tons, and total transverse moments -10,000 foot-tons. What is the weight of the missing load?

220.7 long tons

235.3 long tons

253.7 long tons

272.7 long tons

2441

C

The DEEP DRILLER is on location during a storm. Windward anchor tensions begin to exceed the test tensions. To reduce tensions while minimizing offset over the well, you should.

increase tension on the leeward chain

pay out more chain on the windward side

reduce tension on the leeward chains

connect an emergency tow wire to the work boat

2442

D

The DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling). Assume ballast added or discharged to remain at a constant draft is at a VCG of 10 feet. How much non-liquid load would have to be removed from an average height of 130 feet above the keel to meet the maximum allowable KG at a draft of 60 feet for winds greater than 70 knots?

373 long tons

457 long tons

484 long tons

524 long tons

2443

D

The DEEP DRILLER is operating at a draft of 60 feet. There is 11.5 feet of drill water in each of the drill water tanks (5P and 5S). What would be the improvement in KGL if 5S is filled from 5P?

0.56 foot

0.49 foot

0.18 foot

0.08 foot

2444

D

The DEEP DRILLER is operating at the maximum allowable KGT at 60 feet draft. What is the value of GMT?

0.05 foot

1.02 feet

2.63 feet

4.34 feet

2445

D

The DEEP DRILLER is operating with KGL at the maximum allowable value (70 knots) at a 60 feet draft. What is the value of GML?

0.05 foot

1.02 feet

1.06 feet

2.63 feet

2446

C

The DEEP DRILLER is planning to operate while loaded as shown in the Sample Load Form #3 ( Preparing to Drill). What is the margin between KGT and maximum allowable KG?

0.66 foot

2.58 feet

5.24 feet

7.87 feet

2447

A

The DEEP DRILLER is under tow at a 20 foot draft. The rig motions are close to exceeding the limits for critical pitch and roll. The rig is also experiencing occasional pounding on the horizontal braces. In this situation you should.

ballast down to a 45 foot draft and check vessel motions

wait until pitch and roll exceed the limits before ballasting down

ballast up to a 15 foot draft and check vessel motions

shorten the tow wire for a smoother tow

2448

A

The DEEP DRILLER may remain at operating draft instead of deballasting to survival draft when .

critical motion limit