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.


65: Under title 46 of the United States Code, the person in charge of a documented vessel who fails to report a complaint of a sexual offense may be __________.


95: You should keep clear of __________.


123: When patching holes in the hull, pillows, bedding, and other soft materials can be used as __________.


264: The total weight of cargo, fuel, water, stores, passengers and crew, and their effects, that a ship can carry, is the __________.

    N a. bale cubic
    Y b. deadweight
    N c. gross tonnage
    N d. loaded displacement

436: The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?

    N a. The bow will go to port.
    Y b. The bow will go to starboard.
    N c. The bow will remain steady.
    N d. The stern will go to starboard.

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

459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.

    Y a. a subsequent temperature rise will cause the cargo to overflow
    N b. air pockets may cause the cargo to bubble out of the ullage hole
    N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill
    N d. the tank valve may be stiff and a spill will occur before the valve can be closed

469: With an increase in temperature the volume of flammable and combustible liquids __________.

    Y a. expands
    N b. contracts
    N c. remains constant
    N d. remains constant if pressure remains constant

474: On an anchor windlass, the wheel over which the anchor chain passes is called a __________.

    N a. brake compressor wheel
    N b. devil's claw
    Y c. wildcat
    N d. winchhead

508: When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, you should __________.

    N a. secure all ventilation
    N b. shut down the exhaust blowers
    N c. shut down the intake blowers
    Y d. ventilate the cargo holds

786: You are on a single-screw vessel with a right-handed propeller, and you are making headway. When you enter shallow water, __________.

    N a. you will have better rudder response
    N b. your speed will increase without a change in your throttle
    Y c. your rudder response will become sluggish
    N d. your vessel will tend to ride higher

835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?

    Y a. 50%
    N b. 65%
    N c. 75%
    N d. 100%

841: All entries in the Official Logbook must be signed by the Master and __________.

    N a. the Union Representative
    N b. the person about whom the entry concerns
    N c. no one else
    Y d. one other crew member

852: How can the Coast Guard determine that a crew member is "able to understand any order spoken by the officers"?

    Y a. Require a demonstration by the officer and the crew member
    N b. Require a written test
    N c. Require that an interpreter be provided
    N d. All of the above

856: A wedge of water building up between the bow and nearer bank which forces the bow out and away describes __________.

    Y a. bank cushion
    N b. bank suction
    N c. combined effect
    N d. bend effect

926: Usually the most gentle way of riding out a severe storm on a larger vessel is __________.

    N a. head on at slow speeds
    N b. hove to
    Y c. running before the seas
    N d. to rig a sea anchor

970: What is the difference between net tonnage and gross tonnage?

    Y a. Net tonnage is the gross tonnage less certain deductions for machinery and other areas.
    N b. Net tonnage is tonnage of cargo compared to tonnage of whole ship.
    N c. Net tonnage is the net weight of the ship.
    N d. There is no difference.

1301: If, after examination by the Quarantine Officer, your vessel is found to have a specific deficiency, you may be issued __________.

    N a. Bill of health
    N b. Free Pratique
    N c. Notice to Comply
    Y d. Controlled Free Pratique

1426: Forty-five fathoms is marked on the anchor chain by __________.

    N a. one turn of wire on the first stud from each side of the detachable link
    N b. two turns of wire on the second stud from each side of the detachable link
    Y c. three turns of wire on the third stud from each side of the detachable link
    N d. four turns of wire on the fourth stud from each side of the detachable link

1468: What will NOT reduce yawing of a tow?

    N a. Increasing the length of the towing hawser
    N b. Trimming the tow by the stern
    Y c. Stowing deck loads forward
    N d. Drogues put over the stern

1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.

    N a. full ahead
    Y b. full astern
    N c. half ahead
    N d. slow astern

1622: What is NOT an indication that pack ice may be nearby?

    Y a. The presence of icebergs
    N b. Ice blink
    N c. Absence of wave motion
    N d. Sighting a walrus in the Arctic

1633: The strongest way to join the ends of two ropes is with a __________.

    N a. back splice
    Y b. short splice
    N c. square knot
    N d. carrick bend

1635: In illustration D044DG, the mooring line labeled "B" is called a(n) __________. (DO44DG )

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

1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.

    N a. dead in the water
    Y b. moving slowly astern over the ground
    N c. moving fast ahead over the ground
    N d. moving fast astern over the ground

1782: When evacuating a seaman by helicopter lift, which statement is TRUE?

    N a. The vessel should be stopped with the wind dead ahead during the hoisting operation.
    Y b. Flags should be flown to provide a visual reference as to the direction of the apparent wind.
    N c. The drop line should be grounded first then secured as close to the hoist point as possible.
    N d. The hoist area should be located as far aft as possible so the pilot will have a visual reference while approaching.

1856: When passing a hawser to the dock you would first use what line?

    N a. Gantline
    Y b. Heaving line
    N c. Preventer
    N d. Warp

1920: Which form of navigation may be suspended without notice under defense planning?

    Y a. electronic
    N b. celestial
    N c. piloting
    N d. None of the above

1926: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 12 feet?

    Y a. 6.73 T
    N b. 7.85 T
    N c. 13.46 T
    N d. 26.93 T

2015: During a period of "whiteout", you should expect which of the following?

    N a. Snowfall or blowing snow
    Y b. Lack of ability to estimate distance
    N c. Harsh contrast between sun-illuminated snow cover and the background
    N d. Hazy horizons with extensive mirage effects

2046: The structural member indicated by the letter I is the __________. (D033DG )

    N a. garboard strake
    N b. center pillar
    Y c. keel
    N d. girder

2049: While the Pilot is maneuvering the vessel to a dock, what is the PRIMARY responsibility of the watch officer?

    N a. Supervise the signaling and flag etiquette.
    N b. Record the bells and their times in the bell book.
    N c. Judge the appropriateness of the Pilot's orders and countermand them if necessary.
    Y d. Insure that helm and throttle orders given by the Pilot are correctly executed.

2121: Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE?

    Y a. Stack weights should be less when using a solid bar lashing as compared to a wire lashing.
    N b. Stack heights may be increased when using a solid bar lashing.
    N c. Stack heights should be reduced when using a solid bar lashing.
    N d. Solid bars should be used for lashing the first tier only, with wire lashings on the higher tier(s).

2173: What is the name of tackle number 5? (DO29DG )

    N a. 3-2 purchase
    Y b. Double luff tackle
    N c. Two-fold purchase
    N d. Four-fold whip

2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )

    Y a. 34%
    N b. 47%
    N c. 76%
    N d. 79%

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

2349: What is the volume of a sphere with a radius of 7 feet?

    N a. 11,491.87 cubic ft.
    Y b. 1,436.76 cubic ft.
    N c. 963.72 cubic ft.
    N d. 205.21 cubic ft.

2361: The BEST information on the nature and extent of damage to the vessel is obtained from __________.

    N a. alarms and monitoring devices
    N b. the engineroom watch
    Y c. personnel at the scene of the damage
    N d. the bridge watch

2451: A safety shackle is identified by its __________.

    N a. shape
    Y b. pin
    N c. certification stamp
    N d. color code

2510: Mooring lines should be turned end-for-end occasionally. This is because __________.

    N a. a line is weakened by constantly pulling on it in one direction
    Y b. normal wear on the line is thus distributed to different areas
    N c. it prevents the line from kinking or unlaying
    N d. it prevents permanent misalignment of the line's internal strands

2553: The key to rescuing a man overboard is __________.

    N a. good equipment
    N b. a dedicated crew
    Y c. well-conducted drills
    N d. good communication

2581: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?

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

2718: On Great Lakes vessels, midsummer load lines apply __________.

    N a. April 16 through April 30 and September 16 through September 30
    Y b. May 1 through September 15
    N c. July 16 through August 30
    N d. June 16 through September 16

2791: What is the period of validity of a Cargo Ship Safety Equipment Certificate?

    N a. 72 months
    Y b. 60 months
    N c. 48 months
    N d. 42 months

2839: Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least __________.

    N a. 4 to 1 or better
    N b. 5 to 1 or better
    Y c. 6 to 1 or better
    N d. 8 to 1 or better

2879: The vertical reference for all water levels and bench marks on the Great Lakes - St. Lawrence River System is known as __________.

    N a. Mean Sea Level Datum
    Y b. International Great Lakes Datum
    N c. Great Lakes Low Water Datum
    N d. North Central Reference Datum

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

2928: How should you signal the crane operator to raise the boom and lower the load?

    N a. Extend arm with the palm down and hold this position rigidly.
    N b. Place both fists in front of your body with thumbs pointing toward each other.
    N c. Clasp hands in front of your body.
    Y d. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired.

2960: When cutting wire rope, seizings are put on each side of the cut. The seizings prevent the wire from unlaying and also __________.

    Y a. maintain the original balance of the tension in the wires and strands
    N b. prevent moisture from entering between the wires at the cut end
    N c. forces lubricant from the core to protect the raw, cut end
    N d. All of the above

3022: You are in the process of adding a barge to your tow. A line run from your power capstan and around timber heads on your tow is made fast on the new barge so that it can be pulled into position. This line is called a __________.

    N a. scissors wire
    Y b. capstan line
    N c. spring line
    N d. fore and aft line

3024: How should you signal the crane operator to dog everything?

    N a. Place both fists in front of your body with thumbs pointing toward each other.
    Y b. Clasp hands in front of your body.
    N c. Extend arm with the palm down and hold this position rigidly.
    N d. Extend arm with the thumb pointing up, and flex the fingers in and out.

3031: Before a Master relieves a Pilot of the conn, the __________.

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

3141: What is NOT a securing system used on a containership?

    N a. Lashing system
    Y b. Stacking system
    N c. Locking system
    N d. Buttress system

3587: Following a serious marine incident, a device to test an individuals breath can be used by __________.

    Y a. any individual trained to conduct such tests
    N b. the marine employer
    N c. qualified medical personnel only
    N d. any USCG licensed deck officer

3616: A tug in irons is __________.

    N a. rudder bound
    N b. being tripped by the towline
    Y c. unable to maneuver
    N d. broached

4122: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.

    N a. pitching and heaving
    N b. rolling
    N c. any force of gravity acting on the lashes
    Y d. All of the above

4225: What does item "G" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Mast
    N b. Pillar
    Y c. Turntable
    N d. Pedestal

4229: Which of the following is/are the optional component(s) of a twin crane set as shown? (D047DG )

    N a. Boom assembly
    N b. Hook block assembly
    Y c. Rider block tagline system
    N d. All of the above

4252: Which action(s) is/are included in crane operations?

    N a. Normal boom stowage and shutdown operations
    N b. Emergency shutdown operation
    N c. Removing booms from stowage
    Y d. All of the above

4282: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?

    N a. Taglines are wire rope purchases that raise and lower the jib.
    N b. Taglines can be fastened to the corners of the jib when lifting containers.
    Y c. The crane might not have taglines installed in its rigging system.
    N d. The taglines are wire rope purchases that raise and lower the topping lift.