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.


10: You are scheduled to load a bulk shipment of steel turnings. Which statement is TRUE?


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


142: What is NOT an advantage of centrifugal pumps over reciprocating pumps?


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

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

223: Who is responsible for providing urine specimen collection kits to be used following a serious marine incident?

    N a. Qualified medical personnel
    Y b. The marine employer
    N c. The U.S. Coast Guard
    N d. The local police department

245: The fitting that allows a boom to move freely both vertically and laterally is called the __________.

    N a. swivel
    N b. lizard
    N c. spider band
    Y d. gooseneck

404: A vessel's "quarter" is that section which is __________.

    N a. abeam
    N b. dead astern
    N c. just aft of the bow
    Y d. on either side of the stern

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

546: A twin-screw ship going ahead on the starboard screw only tends to move __________.

    N a. in a straight line
    Y b. to port
    N c. from side to side
    N d. to starboard

547: Where is an intermediate spring or surge line placed in the towing hookup?

    Y a. Connected between the main towing hawser and the towing bridle
    N b. Connected between the "H" towing bitts and the main towing hawser
    N c. End of line fastened directly to the drum of the towing winch
    N d. As both legs of the towing bridle

567: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required Pilot is TRUE?

    N a. The Pilot must be licensed by Virginia and Maryland.
    N b. The Pilot must be licensed by either Virginia or Maryland.
    Y c. The Pilot need only be licensed by the Coast Guard.
    N d. The Pilot must be licensed by Virginia, Maryland and the Coast Guard.

614: A fid is a __________.

    N a. mallet used when splicing wire rope
    N b. sharp pointed crow bar used to unlay wire rope
    N c. tapered steel pin used to separate wire rope
    Y d. tapered wooden pin used when splicing heavy rope

668: Which statement is correct concerning the carriage of coal in bulk?

    Y a. Coal should be vented with surface ventilation only.
    N b. Because of its inherent vice, coal should not be loaded wet.
    N c. Dunnage should be placed against ship's sides and around stanchions.
    N d. Through ventilation, as well as surface ventilation, should be provided whenever possible.

676: Conditions for crossing a rough bar are usually best at __________.

    N a. low water slack
    Y b. high water slack
    N c. high water ebb
    N d. high water flood

693: The effect of excessive catenary in shallow water may be __________.

    N a. dragging the towing hawser along the bottom and chafing it
    N b. snagging sunken or submerged objects
    N c. slowing, stopping or endangering the towing operation by placing the tug in irons
    Y d. All of the above

712: What is the effect of releasing the towline in a tripping situation?

    Y a. It disconnects the capsizing force and allows the tug to recover from its list.
    N b. It frees the tug from its towing responsibilities.
    N c. There is no effect other than relief.
    N d. Yawing

801: When oil is discharged overboard, an entry is required in the __________.

    N a. engine rough log
    Y b. Oil Record Book
    N c. Official Logbook
    N d. deck rough log

806: Which will most likely occur when entering shallow water?

    N a. Rudder action will become more effective.
    N b. The vessel's list will change.
    Y c. The vessel's trim will change.
    N d. An increase in speed will occur.

813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .

    N a. offshore supply vessel over 200 gross tons
    N b. passenger vessel of 295 gross tons
    Y c. uninspected towing vessel of less than 200 gross tons
    N d. inspected towing vessel of 305 gross tons

827: The pitch of a propeller is a measure of the __________.

    N a. angle that the propeller makes with a free stream of water
    N b. angle that the propeller makes with the surface of the water
    Y c. number of feet per revolution the propeller is designed to advance in still water without slip
    N d. positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip

831: The Oil Record Book on a vessel NOT engaged on a foreign voyage shall be maintained on board for not less than __________.

    N a. 12 months
    N b. 24 months
    Y c. 36 months
    N d. 48 months

865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?

    Y a. 3,000 lbs
    N b. 5,000 lbs
    N c. 15,000 lbs
    N d. 65,000 lbs

883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .

    N a. be appropriate to the vessel's horsepower or bollard pull
    N b. be strong enough to handle any static or dynamic loads expected during its service life
    Y c. fit any spare wire clips carried on board the vessel for repair purposes
    N d. be suitable for exposure to the marine environment

942: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?

    Y a. The Master of the vessel
    N b. The Radio Officer
    N c. The Chief Officer
    N d. All of the above

1008: When anyone voluntarily deposits his/her license or document with a Coast Guard investigating officer __________.

    N a. he/she permanently gives up rights to the license or document
    Y b. it may be for reasons of mental or physical incompetence
    N c. it must be for reason of addiction to narcotics
    N d. All of the above

1031: Which certificate is NOT issued by the Coast Guard?

    N a. Award of official number
    N b. Certificate of Inspection
    Y c. Classification of Hull and Machinery
    N d. Safety Equipment Certificate

1093: When rigging a bosun's chair, a tail block or lizard is used to __________.

    N a. guide the bosun's chair down a stay when applying a protective coating
    N b. run paint or tools up to a sailor in a chair with a heaving line
    N c. keep a bosun's chair from swinging with the ship's motion
    Y d. reeve the gantline through

1170: Transverse frames are more widely spaced on a ship that is designed with the __________.

    N a. centerline system of framing
    N b. isometric system of framing
    Y c. longitudinal system of framing
    N d. transverse system of framing

1193: The main advantage of a Chinese stopper over the one line stopper is that it __________.

    Y a. will not jam on the mooring line
    N b. is stronger
    N c. is easier to use when under heavy tension
    N d. is safer to use when under heavy tension

1220: Who certifies the safe working load of cargo cranes on a vessel?

    N a. U.S. Coast Guard
    Y b. American Bureau of Shipping
    N c. Society of Naval Architects and Marine Engineers
    N d. National Cargo Bureau

1246: When a tug is pulling on a hawser at right angles to the ship, and the pilot wants to come ahead or astern on the ship's engine, care must be taken that the pilot __________.

    N a. does not break the towline
    Y b. does not get too much way on the vessel
    N c. keeps a steady course so the towline will remain tight
    N d. turns the ship toward the direction of pull

1256: You are docking an oceangoing single-screw vessel under normal circumstances with a single tug. The tug is usually used to __________.

    Y a. control the bow and is tied to the offshore bow
    N b. control the stern and is tied to the stern on the offshore side
    N c. pull the vessel into the slip and is tied to the bow
    N d. push the ship bodily alongside and is tied to the offshore side amidships

1272: You are on a tankship carrying benzene in bulk. Which statement is TRUE?

    N a. No other cargoes may be carried due to the possibility of contamination by a carcinogen.
    N b. The crew quarters must have positive-pressure ventilation to prevent the fumes from entering the living spaces.
    N c. Benzene is not a cancer-causing agent.
    Y d. Personnel working in regulated areas must use respirators.

1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?

    N a. One shot of chain for every ten feet of water
    Y b. One shot of chain for every fifteen feet of water
    N c. One shot of chain for every thirty feet of water
    N d. One shot of chain for every ninety feet of water

1570: What is NOT an advantage of ship construction methods using welded butt joints in the shell plating?

    N a. Keeps practically 100% of tensile strength at the joints
    N b. Reduces frictional resistance
    Y c. Reduces plate stress
    N d. Reduces weight

1579: What is the minimum standard for making an eye splice in a wire to be used as cargo gear?

    Y a. Make three tucks with full strands, remove half the wires from each strand, and make two more tucks.
    N b. Make four tucks in each strand, cut away every other strand, and make two more tucks with each remaining strand.
    N c. Make four tucks with each full strand.
    N d. Make six tucks with each strand, removing a few wires from each strand as each additional tuck is made.

1595: Which picture represents a barrel hitch? (DO30DG )

    Y a. O
    N b. U
    N c. E
    N d. P

1675: What is the name of the mark indicated by the letter D? (D003DG )

    Y a. Tropical load line
    N b. Summer load line
    N c. Fresh load line
    N d. Winter load line

1704: Whipping the bitter end of a fiber rope __________.

    N a. increases the circumference of the rope
    N b. makes for easier handling
    Y c. prevents fraying of the bitter end
    N d. prevents moisture from entering the bitter end

1849: The knot lettered U is a __________. (DO30DG )

    Y a. half hitch
    N b. round knot
    N c. becket bend
    N d. plain whipping

1988: When towing, what is the main reason for using a chain bridle on a wire hawser?

    N a. It makes for an easy connection.
    Y b. It gives a spring effect to cushion the shock.
    N c. It eliminates the necessity of a swivel.
    N d. It does not chafe.

2002: The structural member indicated by the letter K was fitted in segments between continuous longitudinals. It is known as which type of floor? (D033DG )

    Y a. Intercostal
    N b. Open
    N c. Lightened
    N d. Non-watertight

2188: The forecastle card is a(n) __________.

    N a. quarters allocation
    N b. Muster List ("Station Bill")
    N c. unlicensed shipping card from the union
    Y d. copy of the shipping agreement

2214: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the advance for a turn of 90°? (D034DG )

    N a. 820 yards
    Y b. 870 yards
    N c. 930 yards
    N d. 975 yards

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

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

2450: Which statement is FALSE concerning precautions during fueling operations?

    N a. All engines, motors, fans, etc. should be shut down when fueling.
    N b. All windows, doors, hatches, etc. should be closed.
    N c. A fire extinguisher should be kept nearby.
    Y d. Fuel tanks should be topped off with no room for expansion.

2521: The period of roll is the time difference between __________.

    N a. zero inclination to full inclination on one side
    N b. full inclination on one side to full inclination on the other side
    Y c. full inclination on one side to the next full inclination on the same side
    N d. zero inclination to the next zero inclination

2548: What is the accepted standard for wire rope falls used in connection with the lifeboat gear?

    N a. Six by seven galvanized wire rope
    N b. Six by twenty-four improved plow steel wire rope
    N c. Six by thirty-seven preformed fiber-core wire rope
    Y d. Six by nineteen regular-lay filler wire rope

2629: Each open lifeboat carried on a vessel on an international voyage must have __________.

    N a. hand-propelling gear
    Y b. a davit span with at least 2 lifelines
    N c. a mast and a sail
    N d. a motor

2852: On a small passenger vessel the collision bulkhead is __________.

    N a. amidships forward of the engine room
    N b. just forward of the steering compartment
    N c. in the engine room
    Y d. A distance of 5% to 15% of the waterline length abaft the stem measured at the load waterline

2986: Sulfuric acid is a __________.

    N a. clear syrupy liquid with no odor
    Y b. colorless-to-brown liquid with a choking odor when hot
    N c. colorless liquid with a pleasant fruity odor
    N d. whitish liquid with a faint, pleasant odor

3009: While loading cargo, a white trimming light on the starboard side comes on. This indicates that __________.

    Y a. the vessel has a list of about 1` to starboard
    N b. the chutes should be directed to the starboard side
    N c. the chutes in No. 1 hold should be directed to the starboard side
    N d. a severe list to starboard has developed and all loading should cease

3103: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy? (Ignore broken stowage.) (D043DG )

    Y a. 779 cubic feet (22 cubic meters)
    N b. 992 cubic feet (28 cubic meters)
    N c. 1,047 cubic feet (30 cubic meters)
    N d. 112,125 cubic feet (3173 cubic meters)

3282: What term indicates the immersed body of the vessel aft of the parallel mid-body?

    Y a. Run
    N b. Stern
    N c. Counter
    N d. Flow

3420: A face line is used to __________.

    N a. prevent barge movement in a lock
    N b. secure two barges end-to-end
    Y c. secure barges to the towboat
    N d. secure barges side-by-side

4009: What is used to prevent twisting of a towing bridle?

    N a. A bitt
    N b. A bulkhead
    N c. A V-spring
    Y d. A fishplate

4038: Which cargo would require a dangerous cargo manifest?

    Y a. Cotton
    N b. Wheat
    N c. Sugar
    N d. Lumber

4042: You are on a 120,000 DWT loaded bulk carrier. What is the maximum safe docking speed when coming alongside?

    N a. 0.1 foot per second (0.06 knot)
    Y b. 0.2 foot per second (0.12 knot)
    N c. 0.5 foot per second (0.30 knot)
    N d. 0.75 foot per second (0.44 knot)

4379: When relieving the helm, the new helmsman should know the __________.

    N a. maximum rudder angle previously used
    N b. gyro error
    N c. variation
    Y d. course per magnetic steering compass