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.


22: An inert gas system installed on a tanker is designed to __________.


230: Initial stability of a vessel may be improved by __________.


254: If you wanted to ask a nearby vessel if he had a doctor on board, you would hoist the flag signal __________.


463: When water-cooled engines are installed on small passenger vessels, the cooling system __________.

    N a. pump must operate whenever the engine is operating
    N b. must have a suitable hull strainer in the raw water intake
    N c. may use a closed fresh water system
    Y d. All of the above

672: A foam-type portable fire extinguisher is most useful in fighting a fire in __________.

    N a. generators
    Y b. oil drums
    N c. the bridge controls
    N d. combustible metals

812: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.

    Y a. at the seat of the fire, starting at the near edge
    N b. to bank off a bulkhead onto the fire
    N c. over the top of the fire
    N d. at the main body of the fire

1015: Which group should be used to send the signal Longitude 109°34'West?

    N a. D0934
    N b. LO10934W
    Y c. G10934
    N d. L10934

1093: On small passenger vessels, which device(s) must be fitted to a fuel line's tank connection?

    N a. A fuel strainer
    Y b. A shut-off valve
    N c. A tubular glass gauge to indicate the fuel level
    N d. All of the above

1093: On small passenger vessels, which device(s) must be fitted to a fuel line's tank connection?

    N a. A fuel strainer
    Y b. A shut-off valve
    N c. A tubular glass gauge to indicate the fuel level
    N d. All of the above

1182: An oxygen indicator can be used to determine if there is __________.

    Y a. sufficient oxygen in a compartment to support life
    N b. combustible gases present
    N c. hydrogen gas present
    N d. All of the above

1219: 46 CFR Subchapter T requires that rigid plastic or other nonmetallic piping __________.

    N a. only be used in non-vital systems
    N b. not be used in gasoline or diesel fuel systems
    N c. have approved metallic fittings and cutoff valves where it penetrates a watertight deck or bulkhead
    Y d. All of the above

1253: If there are no alternatives for escape, what is the maximum height that the survival craft could be dropped into the water?

    N a. 2 ft.
    N b. 6 ft.
    Y c. 10 ft.
    N d. 14 ft.

1603: During loading and discharging operations, in addition to when the cargo tanks have been properly filled, each inert gas system must be capable of maintaining a minimum gas pressure of __________.

    N a. 150 millimeters of water pressure
    N b. 125 millimeters of water pressure
    Y c. 100 millimeters of water pressure
    N d. 75 millimeters of water pressure

1632: When joining the female coupling of the fire hose to the male outlet of the hydrant, you should make sure that the __________.

    N a. threads are lubricated
    N b. nozzle is attached to the hose
    Y c. female coupling has a gasket
    N d. hose is led out

1909: On a passenger vessel, the vessel's name must appear on __________.

    N a. ring life buoy
    N b. lifeboats
    N c. lifeboat oars
    Y d. All of the above

1948: You have 600 tons of below deck tonnage. There is no liquid mud aboard. If you have 150 tons of cargo above deck with a VCG above the deck of 2.8 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )

    N a. 1.96 feet
    N b. 2.25 feet
    Y c. 3.20 feet
    N d. 3.55 feet

1988: You have 590 tons of below deck tonnage. There is no liquid mud aboard. If you have 84 tons of cargo above deck with a VCG above the deck of 2.7 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )

    N a. 2.54 feet
    N b. 2.85 feet
    Y c. 3.11 feet
    N d. 3.55 feet

2030: You have 60 tons of below deck tonnage and 220 tons of above deck cargo on board. You must load 240 tons of liquid mud below deck. How much more deck cargo can you load? (See illustration D036DG, stability letter for M.V. Hudson.) (D036DG )

    N a. 65 tons
    N b. 85 tons
    N c. 110 tons
    Y d. 125 tons

2181: To prevent the spread of fire by conduction you should __________.

    N a. shut off all electrical power
    N b. close all openings to the area
    N c. remove combustibles from direct exposure
    Y d. cool the bulkheads around the fire

2306: Which flash point would indicate a grade D combustible liquid?

    N a. 40°F
    Y b. 95°F
    N c. 79°F
    N d. 155°F

2401: A high-velocity fog stream can be used in fire fighting situations to drive heat and smoke ahead of the fire fighters in a passageway. This technique should only be used when __________.

    N a. using a 2-1/2 inch hose
    Y b. there is an outlet for the smoke and heat
    N c. the fire is totally contained by the ship's structure
    N d. at least two fog streams can be used

2491: The platform that supports the derrickman when tripping pipe is called the __________.

    N a. Texas deck
    N b. water table
    N c. stabbing board
    Y d. monkey board

2505: The helicopter deck of a MODU must be marked with the units identification, appropriate aiming circles, and a continuous line on the perimeter which is __________.

    N a. 8 inches wide
    Y b. 16 inches wide
    N c. 24 inches wide
    N d. 32 inches wide

2507: When using a crane for transferring personnel in a basket, the load hook must be equipped with a __________.

    N a. moused shackle
    Y b. safety latch
    N c. safety belt for each rider
    N d. quick-release device

2566: LFG tank and pipeline maintenance should include __________.

    N a. exclusion of all sand and solid matter
    N b. cleaning with clean fresh or sea water
    N c. examination for fractures and pitting
    Y d. All of the above

2616: According to the Chemical Data Guide, the flash point for motor gasoline is __________.

    Y a. -40°F
    N b. 100°C
    N c. 199°C
    N d. 495°F

2666: Your vessel's drafts are: FWD 18'-09", AFT 20'-05"; and the KG is 23.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 15° inclination.

    Y a. 0.7 foot
    N b. 1.0 feet
    N c. 1.7 feet
    N d. 3.8 feet

2685: The number of certificated able seamen and lifeboatmen required on a MODU is determined by the __________.

    N a. Minerals Management Service
    N b. Corps of Engineers
    Y c. Coast Guard
    N d. American Bureau of Shipping

2786: Certain equipment aboard vessels, inspected under the small passenger vessel regulations, is required to be marked with the vessel's name. This includes __________. (small passenger vessel regulations)

    N a. bunks, silverware, china, and glassware
    N b. anchors, line, paint cans, and fuel drums
    Y c. life jackets, life floats and paddles
    N d. whistles, searchlights, navigation lights, and ship's bell

3061: When transferring survivors from a survival craft to a rescue vessel, personnel on board the craft should __________.

    N a. remove their lifejackets to make it easier to climb on board the rescue vessel
    N b. climb on top of the survival craft while waiting their turn to transfer to the rescue vessel
    Y c. remain seated inside the survival craft and make the transfer one person at a time
    N d. enter the water and swim over to the rescue vessel

3072: The SS AMERICAN MARINER has on board 6450 tons of cargo with an LCG-FP of 274.46 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0101

    N a. LCG-FP 272.6 feet
    Y b. LCG-FP 269.8 feet
    N c. LCG-FP 266.5 feet
    N d. LCG-FP 263.8 feet

3099: Which type of power may a towing vessel use to drive the cargo pumps of a tank barge?

    N a. Only air
    N b. Only steam
    N c. Air or steam only
    Y d. Steam, air, or electricity

3223: After 1 September 1992, in the North Pacific area, a documented 75-foot fishing vessel operating in cold waters 25 miles off the coast must have at least a(n) __________.

    N a. buoyant cushion for each person on board
    Y b. inflatable liferaft with a SOLAS pack
    N c. inflatable buoyant apparatus with EPIRB attached
    N d. approved rescue boat

3276: While at your lifeboat station, you hear a signal consisting of one short blast of the whistle. This signal indicates __________.

    N a. abandon ship
    Y b. commence lowering boats
    N c. stop lowering boats
    N d. secure from boat stations

3294: What is the purpose of the liferaft hydrostatic release?

    Y a. To release the liferaft from the cradle automatically as the ship sinks
    N b. To inflate the raft automatically
    N c. To test rafts hydrostatically
    N d. None of the above

3468: Handholds or straps on the underside of an inflatable liferaft are provided __________.

    Y a. to right the raft if it capsizes
    N b. to carry the raft around on deck
    N c. for crewmen to hang on to
    N d. to hang the raft for drying

3673: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port center column below the waterline. Pumping from tanks 2P and 9P is not sufficient to prevent increasing port list. You should consider counterflooding in tank __________.

    N a. 2S
    N b. 9S
    Y c. C2BS
    N d. C2BP

3707: While loaded as shown in Sample Load Form #5 (Survival), an estimated 250 long tons of snow and ice accumulates on the DEEP DRILLER at an estimated height of 127 feet. Assuming no corrective ballasting, what is the new draft?

    N a. 48'-06"
    N b. 47'-03 1/2"
    Y c. 46'-09 3/4"
    N d. 44'-06"

3963: 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?

    N a. 7.5 feet
    N b. 10.0 feet
    Y c. 12.5 feet
    N d. 15.0 feet

3988: In the illustration shown, the weak link is item number __________. (D015SA )

    Y a. 8
    N b. 6
    N c. 4
    N d. 1

4001: 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?

    N a. 000 foot-tons
    N b. 3,992 foot-tons
    Y c. 7,984 foot-tons
    N d. 15,968 foot-tons

4105: 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?

    Y a. 0.06 foot aft
    N b. 0.14 foot aft
    N c. 0.27 foot aft
    N d. 0.40 foot aft

4153: 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?

    N a. 60 feet 9.6 inches
    N b. 59 feet 2.7 inches
    N c. 57 feet 11.5 inches
    Y d. 56 feet 10.9 inches

4234: Which type of fixed fire protection system is approved for use on board uninspected vessels? (Uninspected Vessel Regulations)

    N a. Dry chemical
    Y b. Water mist
    N c. Chemical foam
    N d. Steam smothering

4299: When jumping into water upon which there is an oil-fire, you should __________.

    N a. enter the water midships on the leeward side of the vessel
    N b. enter the water midships on the windward side of the vessel
    N c. enter the water at the bow or stern on the leeward side of the vessel
    Y d. enter the water at the bow or stern on the windward side of the vessel

4574: The SS AMERICAN MARINER has on board 4824 tons of cargo with an LCG-FP of 277.45 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0164

    N a. LCG-FP 267.7 feet
    N b. LCG-FP 268.4 feet
    Y c. LCG-FP 269.2 feet
    N d. LCG-FP 270.6 feet

4673: 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?

    N a. 48.41 feet
    N b. 49.16 feet
    Y c. 50.79 feet
    N d. 51.40 feet

4737: In the COASTAL DRILLER, VCG is obtained from the sum of the vertical moments by __________.

    N a. adding the sum of the weights
    N b. subtracting the sum of the weights
    N c. multiplying by the sum of the weights
    Y d. dividing by the sum of the weights

4743: 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?

    N a. 46 feet AFO
    Y b. 84 feet AFO
    N c. 189 feet AFO
    N d. 217 feet AFO

5125: A MODU with the TCG off the longitudinal centerline inclines to an angle of __________.

    Y a. list
    N b. heel
    N c. trim
    N d. loll

5131: In illustration D041DG symbol 1 refers to __________.

    N a. change of draft
    N b. centerline
    N c. angle of inclination
    Y d. displacement

5307: 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 __________.

    N a. 26.8 feet
    N b. 26.3 feet
    N c. 1.8 feet
    Y d. 1.3 feet

5497: Which grade of anchor chain is generally used on floating drilling vessels?

    N a. Grade 1
    N b. Grade 2
    Y c. Oil Rig Quality (stud link)
    N d. 303S

5648: The hydrostatic release on the inflatable liferafts on a fishing vessel must be __________.

    N a. replaced annually
    N b. tested monthly
    Y c. serviced annually
    N d. overhauled quarterly

6425: The test for determining the formation fracture pressure after drilling out a seat is called a __________.

    N a. casing test
    Y b. leak off test
    N c. drill stem test
    N d. well test

7393: When a davit-launched raft is lowered from a MODU, upon becoming waterborne, the raft is released by __________.

    N a. activating the release lock of the hook
    N b. pulling smartly on the knobbed cocking lanyard
    Y c. the effects of buoyancy removing the weight of the raft from the hook
    N d. releasing the boarding flap and the bowsing lines

7395: 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 __________.

    Y a. there is burning oil on the water
    N b. there is a rescue craft in the area
    N c. water temperature is below 40°F
    N d. a rigid survival craft is in the area

8855: 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?

    N a. 3,998.3 long tons
    Y b. 4,086.5 long tons
    N c. 4,188.0 long tons
    N d. 5,087.0 long tons

9367: A galley grease fire on the stove may be extinguished using_______.

    N a. water
    N b. foam
    Y c. the range hood extinguishing system
    N d. fire dampers

9702: Which of the following is/are NOT required on Ro-Ro vessels, regarding spaces that are "specially suitable for vehicles"?

    N a. The spaces shall be fitted with an approved fire or smoke detecting system.
    Y b. The spaces shall have designated smoking areas.
    N c. The spaces shall be fitted with an approved fixed fire extinguishing system.
    N d. All of the above