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.


225: For safety reasons, when assistance towing __________.


345: What does the helm command "shift the rudder" mean?


524: The purpose of the stripping bar on an anchor windlass is to __________.


574: Which type of link is generally used to connect shots of anchor chain?

    Y a. Detachable
    N b. Open
    N c. Pear shaped
    N d. Stud link

602: Which emergency equipment should you keep near the towing bitts?

    N a. A self-contained breathing apparatus (SCBA)
    N b. A boat hook and a spanner wrench
    Y c. A fire ax and/or cutting torch
    N d. A Stokes litter basket

615: When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.

    Y a. bank cushion
    N b. bank suction
    N c. bow wave
    N d. veering cushion

669: Which statement describes the motion of a yawing tow?

    N a. The tow twists, sometimes violently, astern of the tug
    N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement
    N c. The tow snakes behind the tug
    Y d. All of the above

744: When using natural-fiber rope, you should NEVER __________.

    N a. dry the line before stowing it
    N b. reverse turns on winches periodically to keep out kinks
    Y c. try to lubricate the line
    N d. use chafing gear

767: On the cargo manifest, the total weight of an empty cargo box is the __________.

    Y a. tare weight
    N b. net weight
    N c. gross weight
    N d. cargo weight

1003: You are on a containership. The cargo includes a container of small arms ammunition, a container of lead-acid storage batteries and a container of methyl acetylene bottles. Which statement is TRUE?

    N a. The storage batteries must be stowed on deck away from the ammunition.
    N b. The storage batteries must be at least ten horizontal feet away from the methyl acetylene.
    N c. The ammunition must be separated from the methyl acetylene by at least one hold.
    Y d. No separation is required because freight containers are exempted.

1033: Each crewmember has an assigned firefighting station. This assignment is shown on the __________.

    N a. fire fighting plan
    N b. shipping articles
    N c. Certificate of Inspection
    Y d. muster list

1061: A vessel arrives at the port of San Francisco from Yokohama, Japan. The passengers fill out the Baggage Declaration and Entry form. A passenger has baggage arriving on another vessel. How must this baggage be handled for U.S. Customs purposes?

    N a. It need not be declared at this time.
    Y b. It must be declared on the same form and marked "Unaccompanied Baggage".
    N c. It must be declared on another form entitled "Continuation Sheet".
    N d. It must be declared only if the other vessel's name is known.

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

1102: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )

    N a. after breast line
    N b. after spring line
    Y c. inshore stern line
    N d. offshore stern line

1103: What should you inspect to be sure that it is safe to go aloft in a bosun's chair?

    N a. The gantline
    N b. The tail block
    N c. The chair and bridle
    Y d. All of the above

1121: What should be readily available on deck while seamen are working over the side on a stage?

    Y a. Rng buoy
    N b. Fire extinguisher
    N c. First aid kit
    N d. Stokes basket

1180: The regulations require that inspected vessels on an international voyage, other than small passenger vessels, must carry which of the following distress signals on or near the navigating bridge?

    N a. 12 hand red flares
    Y b. 12 rocket parachute flares
    N c. 12 hand combination flares and orange smoke signals
    N d. 6 hand red flares, and 6 hand orange smoke signals

1184: A new coil of nylon line should be opened by __________.

    N a. pulling the end up through the eye of the coil
    N b. uncoiling from the outside with the coil standing on end
    N c. taking a strain on both ends
    Y d. unreeling from a spool

1308: The S.S. Sheet Bend arrives in New York after encountering heavy weather on a voyage from Cape Town. Who will note the protest for the Master?

    N a. Collector of Customs
    Y b. Notary Public
    N c. Officer in Charge Marine Inspection
    N d. U.S. Shipping Commissioner

1355: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 6 OKTAs concentration?

    N a. 6%
    N b. 50%
    N c. 60%
    Y d. 75%

1390: The body plan of a vessel is a(n) __________.

    Y a. endwise view of the ship's molded form
    N b. longitudinal side elevation view
    N c. plan made looking down on the ship, showing it's hull cut horizontally by the first set of planes
    N d. vertical view made looking up in the ship, with the keel at the center

1465: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.

    N a. engine(s) crash astern, no turn
    Y b. a single turn with hard rudder
    N c. a Williamson Turn
    N d. two 180° turns

1496: The purpose of a devil's claw is to __________.

    Y a. act as a chain stopper
    N b. prevent the windlass from engaging
    N c. prevent the chain from fouling on deck
    N d. control the wildcat

1503: Which knot should be used to send a man over the side when he may have to use both hands?

    N a. Bowline
    Y b. French bowline
    N c. Bowline on a bight
    N d. Running bowline

1509: If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power, which will occur?

    N a. A pawl, forced by a spring mechanism, will engage the teeth of the bull gear and hold the load.
    Y b. An electromagnetic brake will hold the load where it is suspended.
    N c. The load will fall rapidly to the deck unless the foot brake is engaged.
    N d. The load will slowly lower to the deck under control of the drag of the winch motor.

1553: The correct way to make an eye in a wire rope with clips is to place the clips with the __________.

    N a. first and third U-bolts on the bitter end and the second U-bolt on the standing part
    N b. first and third U-bolts on the standing part and the second U-bolt on the bitter end
    Y c. U-bolts of all clips on the bitter end
    N d. U-bolts of all clips on the standing part

1646: What is the normal length of anchor cable used to anchor a vessel?

    N a. An amount equal to the depth of the water
    N b. Two times the depth of water
    N c. Three to four times the depth of water
    Y d. Five to seven times the depth of water

1671: The number of certificated able seamen and lifeboatmen required on a vessel is determined by the __________.

    N a. International Maritime Organization
    N b. Corps of Engineers
    Y c. Coast Guard
    N d. American Bureau of Shipping

1720: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?

    Y a. Bow spring line
    N b. Bow breast line
    N c. Stern breast line
    N d. Inshore head line

1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?

    N a. Alteration
    Y b. Deviation
    N c. Liberty
    N d. Unscheduled stop

1807: When evacuating a seaman by helicopter lift, which statement is TRUE?

    N a. Evacuation should be from an area forward of the bridge.
    N b. The vessel should be slowed to bare steerageway.
    N c. If the hoist is at the stern, booms extending aft at the stern should be cradled with the topping lifts hove taut.
    Y d. The litter should not be touched until it has been grounded.

1842: The knot shown lettered W is a __________. (DO30DG )

    N a. clove hitch
    Y b. square knot
    N c. barrel hitch
    N d. stopper knot

1852: What is normally used to pass a mooring line to a dock?

    N a. Distance line
    N b. Gantline
    Y c. Heaving line
    N d. Tag line

1996: Which method should be used to secure a manila line to bitts?

    N a. A round turn on the bitt farthest from the strain and then figure eights
    Y b. A round turn on the bitt closest to the strain and then figure eights
    N c. Figure eights and then a round turn at the top of both bitts
    N d. Only figure eights are necessary on both bitts

2003: Chafing gear is used to __________.

    N a. anchor the boat
    N b. pick up heavy loads
    Y c. protect fiber rope from abrasion
    N d. strengthen mooring lines

2026: After a seaman is discharged, at the end of the voyage, the final payment of wages due must be made, whichever is earliest, either within 24 hours after the cargo has been discharged, or __________.

    Y a. within 4 days after the seaman's discharge
    N b. prior to the vessel's departure on the next voyage
    N c. prior to loading any out-bound cargo
    N d. prior to any change of Master

2030: Safety equipment on board vessels must be approved by the __________.

    Y a. U.S. Coast Guard
    N b. Safety Standards Bureau
    N c. Occupational Safety and Health Administration (OSHA)
    N d. National Safety Council

2070: Which statement about the Williamson turn is FALSE?

    Y a. It requires the highest degree of shiphandling skills to accomplish.
    N b. It is the slowest of the methods used in turning the vessel.
    N c. It is the best turn to use when the victim is not in sight due to reduced visibility.
    N d. It returns the vessel to the original track-line on a reciprocal course.

2075: The knot lettered E is a __________. (DO30DG )

    N a. stopper hitch
    N b. blackwall hitch
    Y c. timber and half hitch
    N d. bowline on a bight

2098: Snow has obliterated surface features and the sky is covered with uniform, altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called?

    N a. Ice blink
    Y b. Whiteout
    N c. Water sky
    N d. Aurora reflection

2149: When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?

    N a. The flukes may dig in unevenly and capsize the anchor when under stress.
    N b. The flukes may not dig in.
    Y c. The anchor may get shod with clay and not develop full holding power.
    N d. The anchor will tend to dig in and come to rest near the vertical.

2245: To determine the number of certificated lifeboatmen required on a vessel, you should check the __________.

    N a. Load Line Certificate
    Y b. Certificate of Inspection
    N c. Safety of Life at Sea Certificate
    N d. operations manual

2276: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 60°? (D035DG )

    Y a. 665 yards
    N b. 710 yards
    N c. 745 yards
    N d. 780 yards

2293: As defined in the regulations governing marine casualties a "marine employer" may be the __________.

    N a. owner
    N b. agent
    N c. Master
    Y d. All of the above

2385: You are on a multiple-product chemical tanker and will carry cargoes of butyric acid, propylene oxide, and octyl alcohol. Which statement is true?

    N a. Butyric acid is incompatible with octyl alcohol but not propylene oxide.
    Y b. Propylene oxide may not be stowed in a tank adjacent to butyric acid.
    N c. All of these cargoes are compatible.
    N d. Octyl alcohol is incompatible with both butyric acid and propylene oxide.

2804: Which publication is NOT carried on board U.S. merchant vessels operating under Naval Control of Shipping?

    N a. Allied Control of Shipping Manual - Guide to Masters
    N b. Communications Supplement
    Y c. Tactical Control and Routing of Merchant Vessels
    N d. All of the above are carried on board

2930: A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?

    Y a. When dead in the water, it is often difficult to find the neutral position and slight headway or sternway may result.
    N b. When going directly from full ahead to full astern, there is complete steering control.
    N c. When the vessel has headway and the propeller is in neutral, there is no effect on rudder control.
    N d. When maneuvering in port, full ahead or astern power can usually be obtained without changing shaft RPM.

2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.

    N a. 88°F
    Y b. 100°F
    N c. 111°F
    N d. 119°F

3054: The phenomenon known as a "seiche" is most likely to occur on Lake Erie __________.

    N a. during the passage of a rapidly moving warm front
    Y b. when strong winds from the Northeast suddenly diminish
    N c. during the months of May through August
    N d. when the Moon and Sun are in alignment

3059: A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral "4" when the vessel __________.

    N a. speed begins to drop
    N b. stops
    N c. receives ice damage
    Y d. becomes icebound

3077: The flash point of vinyl chloride is __________.

    Y a. -108°F (-78°C)
    N b. -20°F (-29°C)
    N c. 32°F (0°C)
    N d. 97°F (36°C)

3091: Towlines should be inspected for chafing where the towline __________.

    N a. passes over the stern of the towing vessel
    N b. passes through chocks
    N c. is attached to the disabled vessel
    Y d. All of the above

3374: Angular motion about the longitudinal axis of a vessel is known as __________.

    N a. pitch
    N b. surge
    N c. sway
    Y d. roll

3521: Once a towline is connected between the towing vessel and the disabled vessel, the towing vessel should __________.

    N a. not exceed bare steerageway during the transit
    N b. take a strain as soon as you can to control the tow
    Y c. come up to speed very slowly and maintain a "safe speed"
    N d. come up to speed quickly, then cut back power considerably to ease the strain

3588: Conventional anchors are least likely to hold in a bottom consisting of __________.

    N a. soft clay
    N b. hard mud
    N c. sand
    Y d. rock

3728: The main reason a long towline is used during an ocean tow is that __________.

    N a. a margin of safety is provided should the line part
    N b. the towline will wear more evenly
    Y c. there will be less stress on the towline
    N d. a slight increase in speed will be realized

4013: What is the minimum size required before a vessel can be documented?

    N a. 26 feet; end-to-end over the deck excluding sheer
    N b. 100 gross tons
    Y c. 5 net tons
    N d. 26 feet between perpendiculars

4125: Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels?

    N a. Age of vehicle or cargo unit
    Y b. Size and weight of vehicle/cargo unit
    N c. Reputation of shipper concerning condition of cargo
    N d. Air pressure in the vehicles tires

4244: What is meant by the term "luffing the boom" of a crane?

    N a. Stopping the boom
    Y b. Topping or lowering the boom
    N c. Moving the boom left or right
    N d. All of the above

4382: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Equalizing beam
    N b. Hoist fall spreader
    Y c. Rider block
    N d. Block/hook assembly