USCG Safety: Master's License

This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.


188: The preferred method of controlling external bleeding is by __________.


395: You are operating a 1,000 GT non-ocean going tankship. It must be equipped with __________.


448: Treatment of frostbite includes __________.


523: The bottom row of plating next to the keel of a lifeboat is known as the __________.

    N a. sheer strake
    N b. bilge strake
    Y c. garboard strake
    N d. keel rib

781: How is the external flotation bladder of an immersion suit inflated?

    N a. It is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper track.
    N b. It is inflated by a small CO2 bottle that is manually tripped.
    Y c. It is inflated by blowing through an inflation tube.
    N d. It inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein.

808: A fire in a pile of canvas is classified as class __________.

    Y a. A
    N b. B
    N c. C
    N d. D

854: If an ill crew member is beginning to show signs of improvement, what code should your message contain?

    N a. MVP
    N b. MPH
    Y c. MPF
    N d. MSO

887: Carbon dioxide as a fire fighting agent has which advantage over other agents?

    Y a. It causes minimal damage.
    N b. It is safer for personnel.
    N c. It is cheaper.
    N d. It is most effective on a per unit basis.

933: You are at sea on a vessel whose beam is 40 feet and the full rolling period is 20 seconds. What is the estimated metacentric height of the vessel?

    N a. 0.3 ft.
    N b. 0.5 ft.
    Y c. 0.8 ft.
    N d. 1.1 ft.

937: On a class "B" fire, which portable fire extinguisher would be the LEAST desirable?

    N a. Carbon dioxide
    Y b. Water (stored pressure)
    N c. Dry chemical
    N d. Foam

1005: Which signal should be used to send the group "Distance 750 nautical miles"?

    N a. D750
    N b. D750N
    Y c. R750
    N d. R750N

1122: A combustible gas indicator will operate correctly ONLY when the __________.

    Y a. hydrocarbon content of the atmosphere is less than the U.E.L.
    N b. atmosphere is deficient in oxygen
    N c. compartment to be tested is free of CO2
    N d. All of the above

1146: Which vessel is NOT required to carry a rocket-type line throwing appliance?

    Y a. An oceangoing vessel of 140 GT
    N b. A coastwise vessel of 550 GT
    N c. An river-going vessel of 760 GT
    N d. All of the above

1239: With the air supply on, the air pressure in an enclosed lifeboat will be __________.

    N a. changing in relation to the speed of the craft
    N b. less than outside air pressure
    Y c. greater than outside air pressure
    N d. equal to outside air pressure

1327: If you are forced to abandon ship in a liferaft, your course of action should be to __________.

    Y a. remain in the immediate vicinity
    N b. head for the nearest land
    N c. head for the closest sea-lanes
    N d. let the persons in the boat vote on what to do

1518: You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?

    Y a. Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo.
    N b. Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate.
    N c. Approach the vessel with caution because she is dragging her anchor.
    N d. Proceed on present course and speed since the vessel is requesting a tug.

1533: Which statement is TRUE?

    N a. You need not keep a record of ground garbage dumped into the sea more than 25 miles offshore.
    N b. You need not keep a record of garbage incinerated on the ship.
    N c. You must keep a record of the approximate weight of the garbage dumped.
    Y d. You must keep a record of garbage discharged in port to a shore facility.

1812: The sails are properly set and trimmed. As a vessel heads up from a beam reach to close hauled the __________.

    Y a. apparent wind moves forward
    N b. heeling moment decreases
    N c. side slip decreases
    N d. speed increases

2046: Your drafts are: FWD 5'-11", AFT 6'-11". From past experience, you know that the vessel will increase her draft 1 inch for every 7 tons loaded. There is rig water on board and 16 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )

    N a. 8 tons
    N b. 12 tons
    N c. 10 tons
    Y d. 14 tons

2185: On offshore drilling units, all lifeboats are required to be marked with the __________.

    N a. name of the owner of the unit
    Y b. number of persons allowed in the boat
    N c. drilling location of the unit
    N d. All of the above

2193: On offshore drilling units, the lifeboats' fuel tanks must be emptied and the fuel changed at least once every __________.

    Y a. 12 months
    N b. 24 months
    N c. 36 months
    N d. 48 months

2462: If a leak occurred while loading diethylenetriamine, the chemical data guide indicates you would smell an odor similar to __________.

    Y a. ammonia
    N b. rotten eggs
    N c. gasoline
    N d. None of the above

2555: When hoisting personnel from a vessel, with the MODU cranes, the crane operator must assure that __________.

    N a. the personnel carrier remains directly over the vessel
    N b. all personnel are inside the net type carrier
    Y c. the personnel carrier remains directly over water
    N d. he does not swing the load until it is above the landing area

2590: Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by __________.

    N a. cofferdams
    N b. empty cargo spaces
    Y c. gas tight bulkheads
    N d. areas equipped with power ventilation

2712: A vessel with a small GM will __________.

    N a. be more subject to synchronous rolling
    N b. have a short rolling period
    N c. provide an uncomfortable ride for personnel
    Y d. have a smaller amplitude of roll in heavy weather

2791: Seawater may be used for drinking __________.

    Y a. under no conditions
    N b. at a maximum rate of two ounces per day
    N c. if gathered during or immediately after a hard rain
    N d. after mixing with an equal quantity of fresh water

2902: Vessels in ocean service shall carry sufficient life floats for __________. (small passenger vessel regulations)

    N a. 25% of all persons on board
    N b. 50% of all persons on board
    N c. 75% of all persons on board
    Y d. 100% of all persons on board

2932: What is FALSE concerning the use of unicellular plastic foam work vests on small passenger vessels? (small passenger vessel regulations)

    Y a. They may be substituted for up to 50% of the required life jackets.
    N b. They shall be of an approved type.
    N c. They shall be stowed separately from required lifesaving equipment.
    N d. They may be worn by crew members when working near or over the water.

2978: Which equipment is not required for a life float? (small passenger vessel regulations)

    N a. Paddles
    N b. Light
    N c. Painter
    Y d. Compass

3273: 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?

    N a. 0.79 foot downward
    N b. 1.00 foot downward
    Y c. 1.04 feet downward
    N d. 1.83 feet downward

3320: If your vessel is required to have a fire ax on board, where should it be located? (small passenger vessel regulations)

    Y a. In or adjacent to the primary operating station
    N b. In below-decks passenger accommodations
    N c. Just outside the engine room access
    N d. In the galley near the stove

3321: 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?

    N a. 0.8 foot forward of amidships
    N b. 1.20 feet forward of amidships
    N c. 3.11 feet forward of amidships
    Y d. 3.20 feet forward of amidships

3323: 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?

    Y a. 0.49 foot starboard of centerline
    N b. 0.51 foot starboard of centerline
    N c. 0.99 foot starboard of centerline
    N d. 1.49 feet starboard of centerline

3358: Spaces containing batteries require good ventilation because __________.

    N a. ventilation avoids CO2 buildup
    N b. ventilation supplies extra oxygen for the battery
    Y c. ventilation avoids flammable gas accumulation
    N d. less water would be used

3430: How should the letter "Q" be pronounced when spoken on the radiotelephone?

    N a. QWE BEC
    N b. QUE BACH
    Y c. KEH BECK
    N d. QU UE

3507: The lightweight longitudinal moments for the DEEP DRILLER are __________.

    N a. 680,914 ft-long tons
    N b. 9,733 ft-long tons
    N c. -5,937 ft-long tons
    Y d. -6,716 ft-long tons

3630: A passenger vessel is required to have a supervised patrol when __________.

    Y a. there are passengers berthed on board
    N b. navigating in excess of eight hours
    N c. the vessel has substantial wood in its construction
    N d. there is no automatic fire-detection system installed

3637: 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 __________.

    Y a. zero
    N b. equal to the weight of the riser
    N c. dependent on the water depth
    N d. applied at the riser tensioner sheaves

3767: When whistle signals are used for launching lifeboats, one short blast means __________.

    N a. "use the float-free method only"
    Y b. "lower all boats"
    N c. "raise all boats"
    N d. "drill is over, secure all boats"

3795: When the ullage is 5.7 feet in P-Tank #6 for the Deep Driller, the transverse moment for P-Tank #6 is __________.

    N a. 1,288 foot-tons
    Y b. 1,887 foot-tons
    N c. 3,169 foot-tons
    N d. 4,596 foot-tons

3816: When abandoning an OSV, following the launching of the survival craft you should __________.

    N a. plot a course for the nearest land
    N b. take a vote on the direction in which to go
    Y c. stay in the immediate area
    N d. go in one direction until fuel runs out

4027: The DEEP DRILLER, at 60.0 feet draft in sea water, has VM = 974,441 foot-long tons, LM = 40,301 foot-long tons, TM =3 foot-long tons, FSML = 30,572 foot-long tons, and FSMT = 18,732 foot-long tons. What is the metacentric height corrected for longitudinal free surface effects?

    Y a. 5.66 feet
    N b. 6.31 feet
    N c. 7.37 feet
    N d. 55.47 feet

4232: The number of approved adult life jackets that shall be carried is equal to __________. (small passenger vessel regulations)

    N a. 120% of the number of persons listed in the vessel's Certificate of Inspection
    N b. 90% of the number of persons listed in the vessel's Certificate of Inspection
    N c. 90% of the number of persons on board at the time
    Y d. the number of persons on board at the time

4315: 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 __________.

    Y a. stability and leg strength
    N b. variable load
    N c. environmental load
    N d. load line

4623: On the COASTAL DRILLER, the bilge discharge is normally through the __________.

    Y a. overboard discharge
    N b. dump valves
    N c. skimmer tank
    N d. sump valves

4753: 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?

    N a. 56 ft-kips
    N b. 979 ft-kips
    N c. 1035 ft-kips
    Y d. 2010 ft-kips

4791: 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?

    Y a. 0 kips
    N b. 200 kips
    N c. 600 kips
    N d. 1,000 kips

5045: Your jack-up is being towed along a shipping channel. You are concerned that a vessel that is overtaking you is coming too close to pass safely. You must __________.

    N a. broadcast a Mayday message
    N b. prepare the survival craft for launching
    N c. sound the abandon unit signal
    Y d. sound five or more short blasts on the whistle

5455: What percentage of the breaking strength is the generally accepted safe operating load of an anchor cable?

    N a. 10%
    N b. 25%
    Y c. 35%
    N d. 50%

5479: The purpose of the inclining experiment on a vessel is to determine the __________.

    Y a. location of the center of gravity of the light ship
    N b. position of the center of buoyancy
    N c. position of the metacenter
    N d. maximum load line

5495: Extended cyclical variations in tensions will cause an anchor chain to break due to __________.

    Y a. fatigue
    N b. corrosion
    N c. distortion
    N d. abrasion

5805: A permanent chain chasing system is used to __________.

    N a. clean anchor chain as it's hauled in
    N b. recover anchors which have lost their buoys
    Y c. run and retrieve anchors
    N d. prepare anchor chain for inspection

6604: Fusible-link fire dampers are operated by __________.

    Y a. the heat of a fire melting the link
    N b. a break-glass and pull-cable system
    N c. electrical controls on the bridge
    N d. a mechanical arm outside the vent duct

6645: Offshore drilling units that are on an international voyage must have a portable radio apparatus that meets the requirements of the __________.

    N a. American Bureau of Shipping
    N b. Minerals Management Service
    N c. U.S. Coast Guard
    Y d. Federal Communications Commission

6737: Each EPIRB required on a MODU shall be tested using the integrated test circuit and output indicator every __________.

    N a. week
    N b. two weeks
    Y c. month
    N d. two months

6843: With regard to the opening and closing of watertight integrity appliances not fitted with a remote operating control or alarm system, what must the Master or person in charge of a MODU enter in the logbook?

    N a. The time required to close the appliances
    Y b. The reason for opening or closing each appliance
    N c. The name of the person performing the opening and closing of such appliances
    N d. The fact that the hull indicators functioned or not

6843: With regard to the opening and closing of watertight integrity appliances not fitted with a remote operating control or alarm system, what must the Master or person in charge of a MODU enter in the logbook?

    N a. The time required to close the appliances
    Y b. The reason for opening or closing each appliance
    N c. The name of the person performing the opening and closing of such appliances
    N d. The fact that the hull indicators functioned or not

7051: When a patient is suspected of having appendicitis, the primary action is to __________.

    N a. give the patient a laxative to relieve pain
    N b. give the patient morphine sulfate to relieve pain
    Y c. confine to bed until helicopter arrives
    N d. give the patient aspirin with a glass of water

8631: What is the new location of the longitudinal center of gravity if 200 short tons are discharged from 30 feet forward of amidships on a MODU with LCG 1.5 feet forward of amidships, and displacement 9,000 short tons?

    N a. 0.88 foot forward of amidships
    Y b. 0.85 foot forward of amidships
    N c. 0.82 foot forward of amidships
    N d. 0.79 foot forward of amidships

8671: The plans, for use during emergencies aboard the DEEP DRILLER, are readily available in the __________.

    N a. wheelhouse under glass
    N b. pump room
    N c. OIM's office
    Y d. ballast control room