USCG General Deck: 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.


46: Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?


84: The ceiling is __________.


115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.


149: A standard net barrel of petroleum products is __________.

    Y a. 42 gallons at 60°F
    N b. 48 gallons at 70°F
    N c. 50 gallons at 50°F
    N d. 60 gallons at 100°F

200: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?

    N a. No able seamen are required.
    N b. Crew must be signed on before a Shipping Commissioner.
    N c. A licensed Master of Towing Vessels may serve as Master.
    Y d. Each crew member must be issued a certificate of discharge at the time of discharge.

219: What refers to the depth of a petroleum product in a tank?

    Y a. Innage
    N b. Outage
    N c. Thievage
    N d. Ullage

262: Mousing a cargo hook with marline or small line __________.

    N a. increases the lifting capacity of the hook
    N b. protects the hook from the sling ring
    Y c. prevents the sling ring from coming out of the hook
    N d. All of the above

273: You will load class 1.2 commercial explosives and need to construct a portable magazine. The magazine MUST __________.

    N a. be made of metal
    Y b. be elevated with skids 10cm (3.9 inches) above the deck
    N c. have a hinged cover
    N d. be fastened with nails or screws

323: You are transporting dangerous cargo on your vessel. The regulations require you to __________.

    Y a. periodically inspect it and make an entry in a log
    N b. keep a warning sign posted nearby
    N c. keep a fire hose run out and ready for use if needed
    N d. allow no chipping or painting in the vicinity of the cargo

444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.

    N a. bight
    Y b. bollard
    N c. chock
    N d. camel

487: One method of removing kinks from fiber rope is to __________.

    N a. coil the line against the lay
    Y b. tow the line astern until it straightens
    N c. stretch the line until it reaches its elastic limit
    N d. cut out each kink and splice

488: Which data can NOT be found on a moisture equilibrium chart?

    N a. Dry bulb temperature
    N b. Moisture content
    N c. Vapor pressure
    Y d. Wet bulb temperature

529: When loading a tanker, you should __________.

    N a. load only one tank at a time
    N b. keep the seamen on watch on standby in the mess room
    N c. keep a strain on the loading hoses
    Y d. close valves by closing them down, reopening one or two turns, and re-closing

531: Spring loaded towing hooks are used in towing to __________.

    N a. absorb and cushion the shock of towing
    N b. prevent whiplash
    Y c. trip and release when the pull of the towing hawser exceeds a predetermined limit
    N d. make it easier to attach and release the tow

539: Which type of shackle is used for most towing connections?

    Y a. Safety shackles
    N b. Round pin anchor shackles
    N c. Screw pin shackles
    N d. Heart shaped shackles

592: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.

    Y a. "Right 15 degrees rudder"
    N b. "Aye Aye Sir"
    N c. "Rudder is right 15 degrees"
    N d. No reply is necessary, just carry out the order.

594: A bollard is found on the __________.

    N a. beach
    N b. deck
    Y c. pier
    N d. towed vessel

656: A deep draft VLCC (100,000 DWT+) navigating in a narrow channel or canal __________.

    Y a. draws more water than when underway in deep water
    N b. draws less water with an increase in speed
    N c. requires less power for a given speed
    N d. steers better under full power

695: A tug is "in irons" when held in a fixed position by __________.

    N a. the weight of its tow, its being anchored, or grounded
    Y b. the weight of its towing hawser on the bottom
    N c. an adverse current
    N d. lack of power or an engine breakdown

772: To reduce stress on the towing hawser when towing astern (ocean tow), the hawser should be __________.

    N a. secured to the aftermost fitting on the towing vessel
    N b. just touching the water
    Y c. underwater
    N d. as short as possible

886: Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?

    N a. Your speed will significantly increase.
    N b. Your draft will significantly decrease.
    Y c. Your bow will sheer towards the other vessel.
    N d. Your bow will sheer away from the other vessel.

888: You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 62,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage?

    N a. 520
    Y b. 558
    N c. 620
    N d. 654

977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?

    N a. Abandon the towing vessel.
    N b. Radio for emergency assistance.
    Y c. Slip the towline and allow it to run off the drum.
    N d. Secure all watertight openings on the towing vessel.

1030: If an attempt is made to hoist a load that exceeds the capacity of an electric winch, an overload safety device causes a circuit breaker to cut off the current to the winch motor __________.

    N a. when the line pull reaches the rated winch capacity
    Y b. after the line pull exceeds the rated winch capacity
    N c. after a short build-up of torque
    N d. immediately

1067: The normal and safest way for a sailor to be lowered in a bosun's chair when descending vertically is __________.

    Y a. for that sailor to feed the hauling part through a bosun's chair hitch
    N b. to lead the hauling part to a cleat on the mast and slacking the sailor down
    N c. by taking several turns of the gantline on a winch drum and then lower the sailor by backing off on the winch
    N d. by leading the bight of the hauling part to a rail and taking several turns, then slacking away with the bight

1080: The "inner bottom" is the __________.

    Y a. tank top
    N b. compartment between the tank top and shell of the vessel
    N c. inner side of the vessel's shell
    N d. space between two transverse bottom frames

1085: Which of the following statements concerning the rigging of bosuns' chairs and their use is TRUE?

    N a. Always secure the gantline to the chair with a bowline.
    N b. Always have the chair hoisted with at least three turns on a winch drum.
    Y c. Any tools, paint pots etc. should be secured by lanyards.
    N d. When riding a stay, make sure that the bow of the shackle passes through the becket of the bridle.

1322: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?

    N a. He may refuse to take the seaman if the ship will not stop at a U.S. port within 30 days.
    N b. He is required to accept the seaman only if the seaman is medically unfit.
    Y c. He may refuse to take the seaman if the seaman has a contagious disease.
    N d. He is required to take the seaman under any circumstance.

1421: The charterer has completed loading the vessel in 3 days instead of the 5 days agreed to in the charter party. As a result of this, the __________.

    N a. shipowner may charge for two lay days
    Y b. charterer may receive dispatch money
    N c. stevedore may collect demurrage
    N d. consignee may be required to pay a ceaser fee

1427: Which letter in illustration D030DG represents a plain whipping? (D030DG )

    N a. E
    N b. F
    Y c. J
    N d. V

1692: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2206 on it. This indicates that it is carrying what cargo?

    Y a. Isocyanates, n.o.s.
    N b. Propadiene, inhibited
    N c. Xylenol
    N d. Hexanols

1779: Using the graph shown, if the dry bulb temperature is 58°, and the wet bulb temperature is 53°, what is the relative humidity in a cargo hold? (D008DG )

    N a. 56%
    N b. 61%
    N c. 66%
    Y d. 75%

1814: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )

    N a. stern line
    N b. forward spring line
    N c. waist breast line
    Y d. after spring line

1821: While towing, what is the principal danger in attempting to swing a barge on a short hawser in order to slow the barge's speed?

    N a. The barge may capsize from the sharp turn.
    Y b. The barge may swing too quickly and run over the tug.
    N c. Free surface effect of liquid inside the barge may rupture the barge bulkheads when turning too quickly.
    N d. Dangerous wakes may result from the swinging barge and capsize the tug.

1841: If a tow sinks in shallow water, you should __________.

    N a. release it immediately
    N b. attempt to beach it before it goes under
    Y c. pay out cable until it's on the bottom and place a buoy on the upper end
    N d. shorten cable to keep it off the bottom

1969: If you shorten the scope of anchor cable, your anchor's holding power __________.

    Y a. decreases
    N b. increases
    N c. remains the same
    N d. has no relation to the scope

2207: After an explosion, repair of emergency machinery and services should be accomplished __________.

    Y a. after control of fire, flooding, and structural repairs
    N b. immediately, before the emergency is under control
    N c. after control of fire, but before control of flooding
    N d. after stability is restored

2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.

    N a. 47.0°F
    N b. 51.5°F
    Y c. 59.0°F
    N d. 70.0°F

2284: In determining the scope of anchor line to pay out when anchoring a small boat, one must consider the __________.

    N a. charted depth of water only
    Y b. depth of water, including tidal differences
    N c. type of line being used for the anchor rope
    N d. type of anchor being used

2476: At the outbreak of war your ship is caught in an enemy port. Which statement is FALSE?

    N a. You should attempt to contact U.S. Consular officials.
    N b. You should attempt to clear for sea before your ship is interned.
    Y c. You should resist boarding by local officials.
    N d. You should try to send a Ship Hostile Action Report to the NGA (formerly NIMA).

2509: What is the purpose of cant frames in steel vessels?

    N a. To support the overhang of the stern
    Y b. To provide strength to shell plating at the stern
    N c. To add strength to the deck beams which support the weather decks
    N d. To support the plating of a cylindrical tank

2588: Rivets are usually made of __________.

    N a. wrought-iron
    N b. aluminum
    N c. high-tensile steel
    Y d. mild steel

2769: You will be advised of any hazardous areas due to the fallout of a nuclear explosive by a message with the code word __________.

    Y a. MERWARN
    N b. NUCLEAR
    N c. FALLOUT
    N d. FALLWARN

2778: Assume that your vessel has just entered Lake Erie by way of the Welland Canal and is proceeding in a southwesterly direction. Which statement about the aids to navigation you can expect to encounter along the route is TRUE?

    Y a. The characteristics of buoys and other aids are as if "returning from seaward" when proceeding in this direction.
    N b. All aids are maintained by the U.S. Coast Guard, 9th Coast Guard District, Cleveland, Ohio.
    N c. All red even-numbered buoys should be kept on your port side when proceeding in this direction.
    N d. Lighted aids, fog signals, and radio beacons maintained by Canada are not included in the Great Lakes Light List.

2792: When relieving the helm, the new helmsman should find it handy to know the __________.

    N a. variation in the area
    Y b. amount of helm carried for a steady course
    N c. leeway
    N d. deviation on that heading

2805: "Hard right rudder" means __________.

    N a. jam the rudder against the stops
    Y b. put the rudder over to the right all the way
    N c. meet a swing to the right, then return to amidships
    N d. put the rudder over quickly to 15 degrees right rudder

2814: Your vessel is crossing a river on the Great Lakes System. A power-driven vessel is ascending the river, crossing your course from port to starboard. Which statement is TRUE?

    Y a. The vessel ascending the river has the right of way.
    N b. Your vessel has the right of way, but you are directed not to impede the other vessel.
    N c. The other vessel must hold as necessary to allow you to pass.
    N d. You are required to propose the manner of passage.

2888: The Coordinator Surface Search in a SAR situation should display by day __________.

    Y a. the code flags FR
    N b. a black ball over a black diamond shape
    N c. code flag Quebec over a black ball
    N d. two black diamond shapes in a vertical line

2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".

    N a. I am altering my course to starboard
    N b. I am altering my course to port
    Y c. I am operating astern propulsion
    N d. My vessel is stopped and making no way through the water

2990: When cutting regular-lay wire rope, what is the minimum number of seizings to be placed on each side of the cut?

    N a. One
    N b. Two, and three on rope diameters over 1 inch
    Y c. Three, and more on larger diameter wire ropes
    N d. Four

3116: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?

    N a. 1 3/8 inch
    N b. 1 1/2 inch
    Y c. 1 3/4 inch
    N d. 1 7/8 inch

3124: You attach a line to a stationary barge lying off your starboard beam in order to maneuver it into position to make up tow. The line used to do this is a __________.

    N a. jockey line
    N b. fore and aft line
    N c. check line
    Y d. swing line

3206: The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. This is the signal to __________.

    Y a. lower the boom and raise the load
    N b. lower the load and raise the boom
    N c. raise the boom and lower the load
    N d. raise the load and lower the boom

4032: The pivot pin at the base of a sheath-screw boom davit must be __________.

    N a. inserted each time before the booms are cranked out
    Y b. periodically removed for inspection and lubricated
    N c. replaced at each inspection for certification
    N d. in the locked position after the boat is cradled and griped down

4155: Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?

    N a. Layout of decks
    N b. Vertical clearances
    N c. Tie-down and lashing
    Y d. All of the above

4214: What does a jib refer to on a crane?

    Y a. Boom
    N b. Topping lift
    N c. Control cab
    N d. Slewing control

4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )

    N a. 30 tons
    N b. 60 tons
    N c. 90 tons
    Y d. 120 tons

4259: Which statement is FALSE regarding the operation of a crane?

    N a. The crane jib is raised and lowered by the luffing winch.
    N b. The cargo block is raised and lowered by the hoisting winch.
    Y c. The cargo block is raised and lowered by the luffing winch.
    N d. None of the above

4259: Which statement is FALSE regarding the operation of a crane?

    N a. The crane jib is raised and lowered by the luffing winch.
    N b. The cargo block is raised and lowered by the hoisting winch.
    Y c. The cargo block is raised and lowered by the luffing winch.
    N d. None of the above

4268: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?

    N a. The cargo discharge can be accomplished with controlled pendulation.
    Y b. The discharge is slow due to the size of the cargo and all the cranes working together.
    N c. The cargo discharge can be performed in port or at anchor.
    N d. The cranes enable the handling of heavy cargos without shoreside assistance.