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.


91: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to New York, a distance in excess of 600 miles. Which statement is FALSE?


101: You can safely step in the bight of a line __________.


108: Damage to cargo caused by dust is known as __________.


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

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

413: A person is found operating a vessel while under the influence of alcohol. He/she is liable for __________.

    N a. imprisonment for up to three years
    Y b. a civil penalty of not more than $5,000
    N c. a fine of not more than $3,000
    N d. a fine of not more than $10,000

431: Official proof of an American vessel's nationality is contained in the __________.

    N a. Certificate of Inspection
    N b. Official Log
    Y c. Certificate of Documentation
    N d. Shipping Articles

542: Which best describes a "fishplate" used in towing?

    Y a. A triangular-shaped heavy steel plate with a round hole inset from each corner
    N b. A steel plate in the shape of a flat fish
    N c. A rectangular-shaped piece of heavy steel plate with four holes
    N d. A circular piece of heavy steel with three holes forming an equilateral triangle

588: Because of the arrangement of the cell guides, the MOST important factor while loading containers is the __________.

    N a. contents of the container
    Y b. list of the vessel
    N c. size of the shoreside crane
    N d. weight of the container

624: A serving mallet is used in __________.

    Y a. covering wire or fiber rope
    N b. forcing fids into a line
    N c. dogging hatches
    N d. splicing lines

646: What shape barge offers the least resistance in river towing?

    N a. A square ended barge
    Y b. Barges with spoon shaped bows
    N c. Ship-shaped barges
    N d. Hopper barges

706: 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.
    Y b. It pulls the stern toward the bank.
    N c. It pushes the entire vessel away from the bank.
    N d. It heels the vessel toward the bank.

737: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.

    N a. chafing bar
    Y b. Dutch tow bar
    N c. carling
    N d. None of the above

977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?

    N a. Abandon the towing vessel.
    N b. Radio for emergency assistance.
    Y c. Slip the towline and allow it to run off the drum.
    N d. Secure all watertight openings on the towing vessel.

1122: Freeing ports on a vessel with solid bulwarks __________.

    N a. prevent stress concentration in the bulwark
    N b. permit easy jettison of deck cargo in an emergency
    N c. provide openings through the bulwarks for mooring lines
    Y d. allow water shipped on deck to flow off rapidly

1125: The pivoting point of a vessel going ahead is __________.

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

1137: When lowering manropes alongside a stage rigged over the side of a vessel, they should be allowed to trail in the water __________.

    N a. to easily remove the kinks that form in the lines
    N b. to allow the seamen on the stage to know the direction and strength of the current
    Y c. to provide the seaman something to hold onto if he or she falls from the stage into the water
    N d. only for short periods of time since they will become waterlogged and be very heavy to pull up

1149: You are on anchor watch. As an aid to preventing thievery on the vessel you should __________.

    N a. show running lights, anchor lights and deck lights
    N b. only show the required anchor lights and keep the rest of the vessel darkened
    N c. maintain water on deck with firehoses led out and all-purpose nozzles attached
    Y d. show anchor lights, deck lights and cargo lights hung over the vessel's side

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

1196: You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine, you would expect the vessel to __________.

    N a. lose headway without swinging
    Y b. turn her bow toward the dock
    N c. turn her bow away from the dock
    N d. head into the wind, regardless of the side the wind is on

1207: The Tonnage Certificate indicates __________.

    N a. deadweight tons
    N b. displacement tons
    Y c. net tons
    N d. light displacement tons

1235: You are on watch entering port while the pilot has the conn. The pilot gives a steering command to the helmsman who partially repeats the command. You should immediately __________.

    Y a. repeat the Pilot's command and ensure that the helmsman repeats it completely
    N b. ask the Pilot to repeat the command since the helmsman failed to hear it completely
    N c. observe the helmsman's wheel action to be sure that it complies with the Pilot's command
    N d. ignore the helmsman's response as long as it was close to what the Pilot ordered

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

1296: To ensure the best results during the Mediterranean moor, the chains should __________.

    N a. be crossed around the bow
    N b. tend out at right angles to the bow
    N c. tend aft 60°From each bow
    Y d. tend forward 30° on either bow

1367: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to cargo when the damage arises out of __________.

    N a. poor stowage of cargo in a container
    N b. fire caused by lightning
    Y c. overloading
    N d. inherent vice

1376: Generally speaking, the most favorable bottom for anchoring is __________.

    N a. very soft mud
    N b. rocky
    Y c. a mixture of mud and clay
    N d. loose sand

1403: A vessel is involved in a casualty. The cost of property damage includes the __________.

    N a. loss of revenue while the vessel is being repaired, up to a maximum of $50,000
    Y b. cost of labor and material to restore the vessel to the service condition which existed before the casualty
    N c. damage claims awarded to individuals or companies involved in the casualty, up to a maximum of $50,000
    N d. All of the above

1404: Galvanizing would not be suitable for protecting wire rope which is used for __________.

    Y a. cargo runners
    N b. mooring wires
    N c. shrouds
    N d. stays

1473: The "carrick bend" is used to __________.

    N a. add strength to a weak spot in a line
    Y b. join two hawsers
    N c. be a stopper to transfer a line under strain
    N d. join lines of different sizes

1487: You are approaching a disabled vessel in order to remove survivors from it. If your vessel drifts faster than the disabled vessel, how should you make your approach?

    Y a. To windward of the disabled vessel
    N b. To leeward of the disabled vessel
    N c. Directly astern of the disabled vessel
    N d. At three times the drifting speed of the disabled vessel

1536: When anchoring, it is a common rule of thumb to use a length of chain __________.

    Y a. five to seven times the depth of water
    N b. seven to ten times the depth of water
    N c. twice the depth of water
    N d. twice the depth of water plus the range of tide

1541: Which act would be considered barratry?

    N a. A criminal act committed by a crew member ashore in a foreign port
    Y b. A criminal act committed by the ship Master in violation of his duty to the shipowner
    N c. Theft of cargo by longshoremen
    N d. Smuggling with the connivance of the shipowner

1552: Which picture represents a stopper hitch? (DO30DG )

    N a. M
    Y b. N
    N c. R
    N d. L

1574: Wire rope is galvanized to __________.

    Y a. protect it from corrosion due to contact with saltwater
    N b. make it bend more easily
    N c. increase its strength
    N d. increase its circumference

1586: By paying out more anchor cable, you __________.

    N a. decrease the holding power of your anchor
    N b. decrease the swing of your vessel while at anchor
    Y c. increase the holding power of your anchor
    N d. increase the possibility that your vessel will drag anchor

1665: Which picture in illustration DO30DG represents a sailmaker's whipping? (DO30DG )

    N a. E
    N b. F
    N c. J
    Y d. K

1672: You are to load a consignment of lumber. Each piece measures 2-inches thick, 10-inches wide and 16-feet long. There are 30,000 pieces in the shipment. How many board feet would be listed on the Bill of Lading?

    Y a. 800,000
    N b. 1,200,000
    N c. 1,440,000
    N d. 14,400,000

1706: Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor. The wind freshens considerably and the anchor begins to drag. Which action should you take FIRST?

    N a. Drop the starboard anchor short with about one shot of chain.
    N b. Sheer out to starboard using the rudder, then drop the starboard anchor with about four shots of chain.
    N c. Put the engines slow ahead to help the anchor.
    Y d. Veer out more chain on the port anchor.

1749: A sling is rigged on a piece of pipe weighing 1000 lbs. The angle between the sling legs is 140° and the legs are of equal length. What stress is exerted on each sling leg when the pipe is lifted?

    N a. 1318 lbs.
    N b. 1366 lbs.
    N c. 1414 lbs.
    Y d. 1462 lbs.

1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?

    N a. 200 lbs.
    N b. 300 lbs.
    Y c. 400 lbs.
    N d. 500 lbs.

1903: When securing a manila line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?

    N a. None
    Y b. 1
    N c. 2
    N d. 3

1984: Your load line certificate expires on 27 May 1988. The vessel is surveyed on that date and is found satisfactory. You are sailing foreign the same day. Which statement is TRUE?

    N a. A new certificate must be issued before you sail.
    N b. The existing certificate is endorsed as valid for a five year period commencing 27 May 1988.
    Y c. The existing certificate is extended for a period of up to 150 days.
    N d. The existing certificate is extended until the first foreign port of call where a new certificate will be issued by the local surveyor.

2069: A "spring line" is a __________.

    N a. mooring line made of spring lay wire rope
    Y b. mooring line running diagonally to the keel
    N c. mooring line parallel to the keel
    N d. wire rope used for securing an anchor buoy

2170: Your vessel is disabled and in imminent danger of grounding on a lee shore. The Master agrees to salvage services using Lloyd's Standard Form of Salvage Agreement. Which is TRUE?

    N a. The salvage award will be decided by suit in Admiralty Court.
    Y b. The salvage service is on a "no cure-no pay" basis.
    N c. Underwriters will repudiate the agreement if it is unsuccessful, due to their increased liability.
    N d. The salvor becomes the owner of the vessel until the salvage award, if any, is paid.

2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.

    N a. 47.0°F
    N b. 51.5°F
    Y c. 59.0°F
    N d. 70.0°F

2299: You are on a multiple-product chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?

    Y a. All of these cargoes are compatible.
    N b. Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote.
    N c. All of these cargoes are incompatible.
    N d. Ethylenediamine is compatible with isophorone but both are incompatible with creosote.

2394: Determine the area of a triangle with a base of 3.5 feet and a height of 4.0 feet.

    Y a. 7.0 square ft.
    N b. 7.5 square ft.
    N c. 11.5 square ft.
    N d. 14.0 square ft.

2453: On a ship's crane, the load chart relates the allowable load to the combination of the boom length and __________.

    N a. winch speed
    N b. boom strength
    Y c. load radius
    N d. cable strength

2516: Which statement about the dangerous cargo manifest, carried on a ship, is TRUE?

    N a. The manifest must be made up by the Master or other designated ship's officer.
    N b. Shipments of hazardous and non-hazardous cargo may be listed on the manifest if they are destined for the same consignee.
    Y c. The manifest must be kept in a designated holder on or near the bridge.
    N d. The type of label(s) required for each cargo must be indicated.

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

2604: The joint formed when two steel plates are placed end-to-end is called a __________.

    N a. bevel
    N b. seam
    Y c. butt
    N d. bond

2699: The thickness of a 30.6 pound plate is __________.

    N a. 3/8"
    N b. 1/2"
    Y c. 3/4"
    N d. 1"

2704: The legs of a tow bridle are joined together with a __________.

    N a. bridle plate
    N b. shackle
    Y c. fishplate
    N d. tri-link

2813: Which Naval Control of Shipping publication should be aboard your vessel?

    Y a. ATP-2, Volume II "Allied Control of Shipping Manual - Guide to Masters"
    N b. ATP-1, Volume II "Allied Tactical Signals"
    N c. NWP-14, "Amphibious Operations"
    N d. PUB 102, "International Code of Signals"

2822: Which statement about stopping a vessel is TRUE?

    N a. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern.
    N b. A vessel is dead in the water when the back wash from astern operation reaches the bow.
    N c. A tunnel bow thruster can be used in an emergency to reduce the stopping distance.
    Y d. When a vessel is dead in the water any speed displayed by Doppler log reflects the current.

2882: What does the line labeled "MS" denote on the Great Lakes load line model shown? (D031DG )

    N a. Mean sea level
    N b. Midseason
    N c. Maximum submergence
    Y d. Midsummer

2978: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "E" (Echo) to signify that "________________".

    Y a. I am altering my course to starboard
    N b. I am altering my course to port
    N c. I am operating astern propulsion
    N d. My vessel is stopped and making no way through the water

3046: What is an explosion hazard when exposed to flame?

    N a. Formic acid
    N b. Nitrous oxide
    N c. Tallow
    Y d. Toluene

3176: The part of the anchor indicated by the letter G is the __________. (D038DG )

    N a. fluke
    N b. shank
    Y c. tripping palm
    N d. crown

3392: What term indicates the midships portion of a vessel that has a constant cross section?

    N a. Half length
    N b. Amidships
    Y c. Middle body
    N d. Molded length

3463: Deckhands onboard towing vessels shall be divided into 3 watches when the trip exceeds __________.

    N a. 1000 miles
    N b. 800 miles
    N c. 700 miles
    Y d. 600 miles