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.


31: An embarked Pilot __________.


41: Considering the manning requirements for U.S. vessels (100 gross tons and above), your cargo vessel has a deck crew of 20 men, exclusive of the officers. How many of these men do the manning regulations require to be Able Seamen?


59: Combustible liquid is defined as any liquid having a flash point above __________.


60: You are on a vessel designed to carry compressed gasses in bulk with a cargo of butadiene. Which statement is TRUE?

    N a. The ullage must be padded with compressed air at a minimum pressure of 2 psig.
    Y b. Silver and copper are prohibited in the parts of valves and fittings in contact with the cargo.
    N c. The cargo tank may be sampled only when the tank is being filled.
    N d. The shipping document must specify the exact quantity of butadiene being carried.

85: The wooden planking that protects the tank top from cargo loading is called __________.

    Y a. ceiling
    N b. shores
    N c. frames
    N d. toms

139: A "barrel" is a unit of liquid measure equivalent to __________.

    N a. 40 U.S. gallons at 50°F
    Y b. 42 U.S. gallons at 60°F
    N c. 43 U.S. gallons at 65°F
    N d. 45 U.S. gallons at 75°F

159: What is the standard net barrel for petroleum products?

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

239: Flame screens are used to __________.

    N a. contain flammable fumes
    N b. protect firefighters from flames
    Y c. prevent flames from entering tanks
    N d. keep flames and sparks from getting out of an engine's exhaust system

290: What is NOT a form used by ice support services to disseminate information?

    N a. Ice Analyses
    N b. Ice Forecasts
    N c. Ice Outlooks
    Y d. Ice Bulletins

293: Which space(s) is(are) NOT exempt when measuring gross tonnage?

    N a. Auxiliary machinery spaces above the deck
    N b. Steering gear room
    Y c. Cargo holds
    N d. Galley in a deckhouse

362: A towing vessel is tripped when __________.

    N a. it is overtaken by the tow
    Y b. it is pulled sideways by the tow
    N c. the weight of the towing hawser causes loss of maneuverability
    N d. the propeller is fouled by the towing hawser

418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?

    N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required.
    Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation.
    N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed.
    N d. The possibility of any sweat problem, either cargo or ship, is remote.

442: "Ease the rudder" means to __________.

    N a. move the rudder slowly in the direction of the most recent rudder command
    Y b. decrease the rudder angle
    N c. bring the rudder amidships
    N d. steer the course which is your present heading

495: Which space(s) is (are) deducted from gross tonnage to derive net tonnage?

    Y a. Boatswain's stores
    N b. Companions and booby hatches
    N c. Passenger spaces
    N d. All of the above

553: A bridle for an ocean tow consists of __________.

    Y a. two chains of equal length
    N b. a single nylon pendant rove through a heavy ring free to move on the pendant
    N c. two long legs of wire rope shackled to a fishplate
    N d. a single length of heavy chain with both ends secured on deck to welded pad eyes

606: For operations in pack ice, a vessel should __________.

    N a. be on an even keel
    N b. be trimmed slightly by the head
    Y c. have a drag of not more than 2 to 3 feet
    N d. be ballasted so the forefoot is near the surface

657: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?

    N a. Companions and booby hatches
    N b. Open structures
    Y c. Spaces for the exclusive use of the officers or crew
    N d. Water ballast spaces

686: The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?

    Y a. It forces the bow away from the bank.
    N b. It forces the stern away from the bank.
    N c. It forces the entire vessel away from the bank.
    N d. It heels the vessel toward the bank.

697: What imminent danger results from tripping?

    N a. A crew member being knocked over the side
    Y b. Capsizing your tug
    N c. Your tug being pulled backwards by your tow
    N d. The tow being thrown off course

705: A tug may be in danger of tripping when __________.

    N a. towed sideways by an overwhelming force on the towline
    N b. her tow moves parallel to and forward on either side of the tug
    N c. the tow is no longer directly astern but moves up on her quarter
    Y d. All of the above

707: Is tripping limited to harbor and coastal towing?

    Y a. No! Forces tending to capsize a tug are as dangerous on the high seas as they are in harbor and coastal work.
    N b. Yes! The long towing hawser used in ocean towing eliminates the danger of tripping.
    N c. No! Tripping is common in ocean towing because of more frequent maneuvering
    N d. Yes! Because of increased water depths, forces required to capsize a tug are not usually found in ocean towing

928: Which of the signals listed is required to be displayed during the day while bunkering?

    Y a. A red flag
    N b. A yellow flag
    N c. A red and yellow flag
    N d. A red light

929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.

    Y a. set the relief valve
    N b. check the lubrication system
    N c. vent the pump casing
    N d. open the pump suction and discharge valves

1117: The knot used to form the bridle at the standing part of a gantline rigged to a stage is a __________.

    N a. sheet bend
    N b. carrick bend
    N c. fisherman's bend
    Y d. bowline

1134: The critical point in nylon line elongation is about __________.

    N a. 20%
    N b. 30%
    Y c. 40%
    N d. 50%

1234: Which type of line will stretch the most when under strain?

    N a. Polypropylene
    N b. Dacron
    Y c. Nylon
    N d. Manila

1238: A contract of affreightment is a __________.

    Y a. Bill of Lading
    N b. Bottomry Bond
    N c. manifest
    N d. Portage Bill

1248: A declaration made by the Master before a U.S. Consul, giving particulars regarding heavy weather or other incidents which may have caused damage to the vessel or cargo, through no fault of the vessel, her officers, or crew is a(n) __________.

    N a. cargo addendum
    N b. exception report
    N c. Master's declaration
    Y d. note of protest

1278: The document that establishes the facts of a casualty and is the prima facie relief from liability for the damage is the __________.

    N a. adjuster's report
    N b. insurance policy
    N c. invoice
    Y d. Master's protest

1506: The sprocket wheel in a windlass, used for heaving in the anchor, is called a __________.

    N a. capstan
    N b. dog wheel
    N c. fairlead
    Y d. wildcat

1605: The pivoting point of a vessel going ahead is __________.

    N a. near the stern
    N b. about two-thirds of the vessel's length from the bow
    N c. at the hawsepipe
    Y d. about one-third of the vessel's length from the bow

1677: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the master do?

    Y a. Recommend an alternative action and if not followed relieve the Pilot.
    N b. Nothing; the Pilot is required by law and is solely responsible for the safety of the vessel.
    N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears.
    N d. State his concerns to the Pilot but do not interfere with the handling of the vessel.

1924: The knot lettered I as shown is a __________. (DO30DG )

    N a. square knot
    N b. round knot
    Y c. bowline on a bight
    N d. timber hitch

2018: When towing astern, one way to reduce yawing of the tow is to __________.

    Y a. trim the tow by the stern
    N b. trim the tow by the head
    N c. have the tow on an even keel
    N d. list the tow on the side it is yawing

2040: The plating indicated by the letter N is known as the __________. (D033DG )

    Y a. inner bottom
    N b. floor riders
    N c. tank-top rider plating
    N d. ceiling

2064: While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?

    N a. figure eight turn
    N b. Round turn
    N c. Racetrack turn
    Y d. Williamson turn

2161: A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow?

    N a. Sign a Clean Bill of Lading and accept the Letter of Indemnity.
    Y b. Refuse to sign a Clean Bill of Lading.
    N c. Sign the Clean Bill of Lading and have the agent countersign it.
    N d. Sign a Clean Bill of lading under protest.

2221: You are using tackle number 5 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 8. What is the mechanical advantage of this rig? (DO29DG )

    N a. 20
    Y b. 15
    N c. 10
    N d. 5

2231: What is the mechanical advantage of tackle number 2? (DO29DG )

    N a. 0.5
    N b. 1
    Y c. 2
    N d. 3

2273: What is the area of a circle with a radius of 4 feet after a sector of 111° has been removed?

    N a. 3.90 sq. ft
    N b. 8.67 sq. ft
    Y c. 34.77 sq. ft
    N d. 50.27 sq. ft

2291: Before a Master relieves a Pilot of the conn, the __________.

    N a. Master must first request the Pilot to take corrective action
    N b. Master should agree to sign a release of liability form
    Y c. Master should foresee any danger to the vessel on the present course
    N d. vessel must be in extremis

2342: How many tons of salt water can be loaded into a flat ended cylindrical tank with a diameter of 3 feet and a length of 8 feet?

    Y a. 1.62
    N b. 1.98
    N c. 3.23
    N d. 6.46

2348: You are on a multiple-product chemical tanker and will carry cargoes of allyl alcohol, benzene, and propanolamine. Which of the following is true?

    N a. All of these cargoes are mutually compatible.
    N b. Benzene may not be carried in a tank adjacent to either of the other two cargoes.
    Y c. Allyl alcohol is incompatible with propanolamine but both are compatible with benzene.
    N d. Propanolamine is compatible with allyl alcohol but must be segregated from benzene.

2393: Determine the weight of a rectangular piece of 25.5 lbs. steel measuring 4.5 feet by 6.7 feet.

    N a. 285.6 lbs.
    N b. 329.7 lbs.
    N c. 591.2 lbs.
    Y d. 768.8 lbs.

2496: Which statement about the dangerous cargo manifest is FALSE?

    N a. The manifest must be made up by the carrier, agents, and any person designated for this purpose.
    Y b. Shipments of hazardous and non-hazardous cargoes may be listed on the manifest if they are destined for the same consignee.
    N c. The manifest must be kept in a designated holder on or near the bridge.
    N d. The hazard class of each cargo must be indicated.

2590: Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?

    Y a. Crossing the spring lines
    N b. Slacking all forward running lines while keeping all after running lines taut
    N c. Doubling up on spring or breast lines
    N d. Slacking bow and stern lines

2872: The Sheer Plan __________.

    Y a. shows a longitudinal side elevation
    N b. is an endwise view of the ship's molded form
    N c. is usually drawn for the port side only
    N d. has the forebody to the right of centerline and afterbody to the left of centerline

3044: When you have a tow alongside, your stern should extend aft of the tow in order to __________.

    N a. avoid obscuring your stern light
    N b. provide a better lead for your lines
    Y c. obtain better steering control
    N d. let the barge deflect floating objects from your propeller

3083: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.

    N a. fo'c'sle card
    N b. Crew list
    N c. Articles of Agreement
    Y d. Certificate of Inspection

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

3200: A license issued by the U.S. Coast Guard for apprentice mate (steersman) of Uninspected Towing Vessels is valid for __________.

    N a. 2 years and must be renewed
    N b. 3 years and must be renewed
    Y c. 5 years and must be renewed
    N d. None of the above

3520: A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?

    N a. Shift weight to the bow
    N b. Shift weight to the center of the boat
    Y c. Shift weight to the stern
    N d. Throw excess weight overboard

3560: What should look-outs report?

    N a. Discolored water
    N b. Shoals
    N c. Floating objects
    Y d. All of the above

3583: Indicated horsepower refers to a towing vessel's power which is __________.

    Y a. theoretically available
    N b. measured on a test bed
    N c. developed at the shaft
    N d. measured by dynamometer

3680: What is the penalty for willfully damaging cargo?

    Y a. Forfeiture of wages equal to the value of the damage and, if ordered by the court, imprisonment for not more than 12 months
    N b. Fine equal to the value of the damage plus a 1000 dollar penalty and/or imprisonment not to exceed 2 years
    N c. Fine not to exceed the value of the damage and/or imprisonment not to exceed 18 months
    N d. Revocation of Merchant Mariner's Document (and license if applicable), fine equal to the value of the damage or imprisonment for not more than 2 years

3693: When the Pilot is embarked he or she __________.

    N a. relieves the Master of his duties
    N b. is solely responsible for the safe navigation of the vessel
    Y c. is a specialist hired for his or her local navigational knowledge
    N d. relieves the officer of the watch

4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.

    N a. American Bureau of Shipping
    Y b. local U.S. Coast Guard Captain of the Port
    N c. National Cargo Bureau
    N d. harbormaster

4048: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 600 yards and your vessel's LOA is 525 feet. If you anchor in 10 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?

    Y a. 4 shots
    N b. 5 shots
    N c. 6 shots
    N d. 7 shots

4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?

    N a. Sound the general alarm.
    Y b. Return the control levers to the neutral positions.
    N c. Notify port security.
    N d. Hold the control levers all the way down.

4390: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.

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