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.


8: What is NOT an advantage of filler cargo?


45: Which shallow water effect will increase dramatically if you increase your ship's speed past its "critical speed"?


151: The forecastle card is a copy of the __________.


180: Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?

    N a. 0C to 100C
    N b. -10C to 90C
    Y c. -18C to 46C
    N d. -40C to 50C

214: The helm command "meet her" means __________.

    Y a. use rudder to check the swing
    N b. decrease the rudder angle which is on
    N c. steer more carefully
    N d. note the course and steady on that heading

225: For safety reasons, when assistance towing __________.

    N a. the disabled vessel should be towed to the nearest port
    N b. the disabled vessel should be inspected for flammable gases
    N c. passengers should always be removed from the disabled vessel
    Y d. personnel on the disabled vessel should don PFD's

229: Which refers to the depth of a petroleum product in a tank?

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

307: Which type of chemical testing is NOT required of merchant marine personnel?

    N a. Pre-employment
    N b. Periodic
    N c. Random
    Y d. Annual

409: A tanker is loaded with 5,000 barrels of petroleum. The cargo was loaded at a temperature of 70F, and the coefficient of expansion is .0004. What is the net amount in barrels of cargo loaded?

    N a. 4800
    Y b. 4980
    N c. 5020
    N d. 5200

465: Which structural members improve a towing vessel's chance of surviving punctured shell plating?

    N a. Stringers
    N b. Longitudinals
    Y c. Transverse watertight bulkheads
    N d. The rake

499: Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern. To adjust the trim, you may __________.

    N a. add ballast forward
    N b. load more cargo forward
    Y c. shift bunkers forward
    N d. All of the above

506: With rudders amidships and negligible wind, a twin-screw vessel moving astern with both engines backing will back __________.

    N a. to port
    N b. to starboard
    Y c. in a fairly straight line
    N d. in a circular motion

507: You are signing on your crew. Which is NOT authorized?

    Y a. A man presenting his Chief Mate's license to sign on as able seaman
    N b. An engineer presenting an MMD endorsed "QMED - any rating" to sign on as an Electrician
    N c. A man presenting an MMD endorsed as "Able Seaman" to sign on as Bosun
    N d. A man presenting an MMD endorsed "Steward's Department (F.H.)" to sign on as Chief Cook

612: When backing down with sternway, the pivot point of a vessel is __________.

    N a. at the bow
    N b. about one-third of the vessel's length from the bow
    N c. aft of the propellers
    Y d. about one-quarter of the vessel's length from the stern

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

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

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

702: When paying off seamen in a foreign port, where a United States consul is not available, the release must be executed by the seamen and the __________.

    N a. representative of the foreign country
    N b. local port authority representative
    Y c. Master of the vessel
    N d. ship's union delegate

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

718: How many board feet of dunnage would you estimate to be in a pile 5 feet wide, 1 foot high and 14 feet long?

    N a. 70
    Y b. 840
    N c. 960
    N d. 1080

728: How many board feet of dunnage are in a draft 4 feet wide, 1-1/2 feet high and 13 feet long?

    N a. 84
    N b. 756
    Y c. 936
    N d. 1021

742: Lighter longitudinal stiffening frames on the vessel's side plating are called __________.

    Y a. stringers
    N b. side frames
    N c. side stiffeners
    N d. intercostals

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

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

837: When may foreign licensed or documented personnel be employed on a US-flag towing vessel?

    Y a. While on a foreign voyage and outside US jurisdiction, in order to meet manning requirements
    N b. While operating above the US outer continental shelf
    N c. On vessels operating on domestic voyages only
    N d. Never, under any circumstances

927: Sluicing or slushing wire rope __________.

    N a. prevents internal and external rust and corrosion
    N b. reduces chafing and increases its useful service life
    N c. reduces internal friction within the wire
    Y d. All of the above

1037: After an IOPP Certificate is issued to an inspected vessel, how many other surveys of the vessel's pollution prevention equipment are conducted during the period of validity of the certificate?

    N a. None
    N b. One
    N c. Two
    Y d. Three

1286: The anchors should be dropped well out from the pier while at a Mediterranean moor to __________.

    N a. eliminate navigational hazards by allowing the chain to lie along the harbor bottom
    N b. increase the anchor's reliability by providing a large catenary in the chain
    Y c. permit the ship to maneuver in the stream while weighing anchors
    N d. prevent damage to the stern caused by swinging against the pier in the approach

1439: Which part provides for transverse control and positioning of a boom in a conventional yard and stay system?

    Y a. Guy
    N b. Shroud
    N c. Spider
    N d. Topping lift

1462: Two mooring lines may be placed on the same bollard and either one cast off first if __________.

    Y a. the eye of the second line is dipped
    N b. the mooring lines are doubled
    N c. the bollard has two horns
    N d. one of the lines is a breast line

1486: Which is NOT a part of an anchor?

    N a. Bill
    Y b. Devil's claw
    N c. Palm
    N d. Crown

1583: Which statement concerning a short splice is TRUE?

    N a. It is used to temporarily join two lines together.
    Y b. A short splice is stronger than two lines joined by a knot.
    N c. A short splice decreases the diameter of the line.
    N d. None of the above

1617: Using the graph in illustration D008DG, if the dry bulb temperature is 84, and the wet bulb temperature is 81, what is the relative humidity in a cargo hold? (D008DG )

    N a. 71%
    N b. 79%
    N c. 81%
    Y d. 87%

1653: Which tool is used to open the strands of fiber lines when making an eye splice?

    N a. Belaying spike
    Y b. Fid
    N c. Heaver
    N d. Pricker

1654: Which knot should be used to bend two hawsers together for towing?

    Y a. Double carrick bend
    N b. Fisherman's bend
    N c. Heaving line bend
    N d. Rolling hitch

1811: You are towing a large barge on a hawser. Your main engine suddenly fails. What is the greatest danger?

    N a. The tug and the tow will go aground.
    N b. The tow will endanger other traffic.
    Y c. The tow will overrun tug.
    N d. The tow will block the channel.

1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.

    Y a. 1 to 6 hours
    N b. 30 minutes to 1 hour
    N c. 3 hours to start of business the following day
    N d. 10 minutes if possible

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

2068: You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow, you should __________.

    N a. reduce the draft of the barge
    Y b. shorten one leg of the bridle
    N c. place bulky deck loads as far aft as possible
    N d. trim the barge down by the bow

2100: The primary purpose of a load line is to establish required __________.

    Y a. minimum freeboard
    N b. GM
    N c. transverse stability
    N d. fresh water allowances

2129: The exact and complete identification of all cargo on board must be found on the __________.

    Y a. Cargo Manifest
    N b. Mate's Receipt
    N c. Hatch Report
    N d. Loading List

2178: Segregation of cargoes refers to __________.

    Y a. separating cargoes so that the inherent characteristics of one cannot damage the other
    N b. separating cargoes by destination
    N c. classifying cargoes according to their toxicity
    N d. listing the cargoes in order of their flammability

2184: The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.

    N a. toppling
    Y b. racking
    N c. buckling
    N d. crushing

2216: What is the mechanical advantage, neglecting friction, of tackle number 4? (DO29DG )

    N a. 1
    N b. 2
    N c. 3
    Y d. 4

2236: Another name for the garboard strake is the __________.

    Y a. A strake
    N b. Z strake
    N c. side keel plate
    N d. stringer plate

2257: "Cribbing" is __________.

    Y a. wooden blocks or dunnage placed between a deck load and the deck
    N b. the chains and shackles used to secure a deck cargo
    N c. a crate in which a deck cargo is packaged
    N d. cardboard separation pieces placed between deck loads to prevent chafing

2285: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?

    N a. Remove this page of the log book and rewrite all entries on a clean page.
    N b. Carefully and neatly erase the entry and rewrite it correctly.
    N c. Blot out the error completely and rewrite the entry correctly.
    Y d. Cross out the error with a single line, write the correct entry, and initial it.

2387: What is the area of a circle with a diameter of 2 feet after a sector of 60 has been removed?

    N a. 0.25 square ft.
    N b. 0.52 square ft.
    N c. 2.09 square ft.
    Y d. 2.62 square ft.

2520: When a line is spirally coiled about its end and lying flat on deck, it is said to be __________.

    N a. coiled
    N b. faked
    Y c. flemished
    N d. seized

2809: The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a __________.

    N a. suction end
    N b. strainer
    Y c. bell-mouth
    N d. vacuum valve

2854: The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include __________.

    N a. portions of the Chicago River
    N b. portions of the Calumet River
    Y c. the St. Lawrence River to Trois Rivieres
    N d. Saginaw Bay

3067: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.

    N a. face wire
    N b. cross wire
    Y c. scissor wire
    N d. breast wire

3145: You are the operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?

    N a. If the buoy is afloat, no action is necessary.
    N b. Wait one week and submit form CG-2692 to the nearest Coast Guard Marine Safety or Inspection Office.
    N c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692.
    Y d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary.

3450: Kort nozzles are installed around the propellers of some vessels to __________.

    Y a. increase the thrust of the propeller
    N b. protect the propeller from striking sawyers
    N c. prevent the propeller from striking barges towed on the hip
    N d. prevent the propeller from touching bottom in low water

3487: The opening in the deck that leads the anchor cable outside the hull is the __________.

    Y a. hawsepipe
    N b. fall pipe
    N c. drop-pipe
    N d. spill pipe

3540: While on duty as a look-out, which other duty may you perform?

    N a. Sweep down the fo'c'sle
    N b. Paint any area near your station
    N c. Overhaul a block, as long as it is at your look-out station
    Y d. None of the above

4068: What produces the MOST dangerous vapors?

    Y a. Anhydrous ammonia
    N b. Camphor oil
    N c. Methyl alcohol
    N d. Pentane

4108: Any vehicle to be loaded aboard a Ro-Ro vessel must __________.

    N a. weigh less than 22 tons
    Y b. be provided with an effective braking system
    N c. have securing points with each aperture capable of accepting more than one lashing
    N d. All of the above

4118: Which factor(s) affect lashing requirements aboard Ro-Ro vessels?

    Y a. Ships characteristics and motion in a seaway
    N b. Trim of the vessel
    N c. Wide variations of air temperature
    N d. All of the above

4206: Which piece(s) of equipment is/are required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?

    Y a. Equalizing beam
    N b. Portable power swivel
    N c. 20-foot container spreader
    N d. All of the above

4239: Which safety precaution(s) should be observed during crane operations?

    N a. Checking for proper lifting from beneath the load during cargo operations
    Y b. Using the proper slings or other lifting devices during cargo operations
    N c. Relaying communications to port agents on the pier during cargo hoists
    N d. All of the above

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"