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.


9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.


47: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?


92: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could be caused by __________.


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

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

349: The periodic weight testing of a vessel's cargo booms may be performed by the __________.

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

426: You are stopped with no way upon your vessel at the pilot station. Your vessel is a large twin-screw ship. You must come around 180° to board your Pilot. How should you use the engines and rudder to turn the ship fastest in the least amount of space?

    N a. Full ahead on the engines and hard over rudder
    N b. Full ahead on one engine, full astern on the other
    Y c. Half ahead with hard over rudder, then full astern on inboard engine
    N d. Slow ahead with hard over rudder

460: When stowing hazardous materials on deck, lashing of such cargo is permitted if __________.

    N a. a wooden bin is constructed of at least 2-inch dunnage and bolted together
    N b. the cargo is lashed to the adjacent guard rails
    Y c. the lashings are secured to deck pad eyes
    N d. there is at least 3 inches of dunnage on deck

548: Using the graph shown, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity? (D008DG )

    N a. 55%
    Y b. 70%
    N c. 75%
    N d. 82%

605: You would properly secure a gantline to a bosun's chair with a __________.

    N a. fisherman's bend
    N b. bowline
    Y c. double sheet bend
    N d. double blackwall hitch

652: When plugging holes below the waterline you should __________.

    N a. eliminate all water entering the hole
    N b. only plug holes in machinery or other vital spaces
    Y c. reduce the entry of water as much as possible
    N d. plug the largest holes first

905: When should you conduct a visual inspection of your towline?

    N a. Whenever its serviceability is in doubt.
    N b. In accordance with the manufacturer's recommendation.
    N c. At least once a month.
    Y d. All of the above

944: When caring for natural-fiber line, you should NEVER __________.

    N a. dry the line before stowing it
    Y b. lubricate the line
    N c. protect the line from weather
    N d. slack off taut lines when it rains

999: You are loading 530,000 barrels of cargo oil. At 0945 on 13 April, you find that you have loaded 202,000 barrels. At 1130, you find that you have loaded 223,000 barrels. If you continue at the same rate, you will finish at __________.

    N a. 1322, 13 April
    N b. 1920, 13 April
    N c. 1120, 14 April
    Y d. 1305, 14 April

1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.

    N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch
    Y b. manually by two or three sailors heaving away on deck
    N c. by taking the gantline to a winch drum and heaving away with the winch
    N d. by fairleading the gantline with a snatch block and pulling with a cargo runner

1118: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?

    N a. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy.
    N b. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage.
    Y c. Your vessel is at anchor and grounds at low tide with no apparent damage.
    N d. Storm damage to the cargo winch motors requiring repairs costing $19,000.

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

1164: Which type of line floats?

    N a. Dacron
    N b. Nylon
    N c. Old manila
    Y d. Polypropylene

1185: As shown, the mooring line labeled "C" is called a __________. (DO44DG )

    N a. stern line
    N b. spring line
    Y c. breast line
    N d. shore line

1198: The most probable position of the object of a search at any given time is the __________.

    Y a. datum position
    N b. incident position
    N c. reported position
    N d. dead-reckoning position

1225: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 2 OKTAs concentration?

    N a. 10%
    N b. 20%
    Y c. 25%
    N d. 67%

1250: The floors in a vessel's hull structure are kept from tripping, or folding over, by __________.

    N a. face plates
    Y b. bottom longitudinals
    N c. longitudinal deck beams
    N d. transverse deck beams

1302: Reinforcing frames attached to a bulkhead on a vessel are called __________.

    N a. side longitudinals
    N b. intercostals
    Y c. stiffeners
    N d. brackets

1364: Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope?

    N a. Babbitt
    N b. Bronze
    N c. Lead
    Y d. Zinc

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

1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.

    Y a. constructive total loss
    N b. salvage loss
    N c. actual loss
    N d. preferred loss

1564: What is the main reason to slush a wire rope?

    N a. Keep the wire soft and manageable
    Y b. Lubricate the inner wires and prevent wear
    N c. Prevent kinking
    N d. Prevent rotting

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

1684: Temporary seizings on wire rope are made with __________.

    N a. marline
    N b. sail twine
    N c. tape
    Y d. wire

1771: The agency which assigns load lines and issues Load Line Certificates is the __________.

    Y a. American Bureau of Shipping
    N b. Secretary of Commerce
    N c. U.S. Customs
    N d. U.S. Coast Guard

1875: A seam is indicated by which letter in illustration D033DG? (D033DG )

    Y a. E
    N b. H
    N c. L
    N d. M

1997: What is the name of tackle number 12? (DO29DG )

    Y a. Threefold purchase
    N b. Davit tackle
    N c. Deck tackle
    N d. Gin tackle

2031: Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?

    N a. Greenish
    Y b. Bluish
    N c. Grey
    N d. Grey-white

2063: A "spring line" is __________.

    N a. any wire rope used for mooring
    N b. a fire-warp
    Y c. a mooring line running diagonally to the keel
    N d. a mooring line perpendicular to the keel

2108: You are the Master signing on a crew. In completing the articles, who should sign in the various places indicated for the Shipping Commissioner's signature?

    N a. After sign on, the articles are presented at the nearest Marine Inspection/Safety Office for signature.
    N b. The space is left blank.
    N c. A marine notary public must sign after sign on is complete.
    Y d. The Master.

2122: What is the name of tackle number 9? (DO29DG )

    N a. Single purchase
    N b. One-two tackle
    N c. Double whip
    Y d. Luff tackle

2255: You are using tackle number 2 to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (D029DG )

    N a. 50 lbs.
    N b. 55 lbs.
    Y c. 60 lbs.
    N d. 110 lbs.

2256: 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 transfer for a turn of 180°? (D034DG )

    N a. 875 yards
    Y b. 910 yards
    N c. 975 yards
    N d. 1015 yards

2259: 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 90°? (D035DG )

    N a. 490 yards
    N b. 350 yards
    Y c. 800 yards
    N d. 885 yards

2271: You are signing on a crew. You can determine the minimum number and qualifications of the crew that you are required to carry by consulting which document?

    N a. Crew list
    Y b. Certificate of Inspection
    N c. Articles of Agreement
    N d. fo'c'sle card

2390: Determine the weight of a rectangular piece of 20.4 lb. steel measuring 4 feet by 6 feet.

    N a. 204.0 lbs.
    Y b. 489.6 lbs.
    N c. 734.4 lbs.
    N d. 979.2 lbs.

2391: Determine the weight of a rectangular piece of 40.8 lbs. steel measuring 3 feet by 5 feet.

    N a. 326.4 lbs
    N b. 453.6 lbs
    Y c. 612.0 lbs
    N d. 1224.0 lbs

2494: The major components which determine the length of a catenary in a deployed anchor cable are water depth, cable weight, and __________.

    Y a. cable tension
    N b. water temperature
    N c. bottom conditions
    N d. water density

2496: Which statement about the dangerous cargo manifest is FALSE?

    N a. The manifest must be made up by the carrier, agents, and any person designated for this purpose.
    Y b. Shipments of hazardous and non-hazardous cargoes may be listed on the manifest if they are destined for the same consignee.
    N c. The manifest must be kept in a designated holder on or near the bridge.
    N d. The hazard class of each cargo must be indicated.

2795: The York-Antwerp Rules relate to the __________.

    N a. minimum required number of officers and crew
    Y b. settlement of general average claims
    N c. ship owner's responsibilities to provide a well-found vessel in a charter party
    N d. navigation regulations that apply in the English Channel

2911: The wooden plug inserted in the vent of a damaged tank should be removed if you are going to __________.

    Y a. pump from the damaged tank
    N b. fight a fire
    N c. abandon ship
    N d. use the crossover system

3047: When backing down with sternway, the pivot point of a vessel is __________.

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

3068: While loading a cargo of grain, your vessel develops a list to starboard. This will be corrected by __________.

    N a. the compensating tanks on the high side
    Y b. the list man changing the discharge location of the chutes
    N c. allowing the grain to level itself as the hold fills to the spar deck level
    N d. trimming the final loading cone by hand

3244: The shank is indicated by which letter? (D038DG )

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

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

3494: Nylon rope is often used in the makeup of a towline because it __________.

    N a. floats
    Y b. stretches
    N c. handles easily
    N d. resists rot

3518: A tug's horsepower available at the shaft is __________.

    N a. indicated horsepower
    Y b. brake horsepower
    N c. dynamic horsepower
    N d. net horsepower

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

3691: On the cargo manifest, the gross weight of a box containing cargo is the weight of the __________.

    N a. cargo
    N b. box
    Y c. cargo and box
    N d. rate weight

4010: You have completed a crude oil wash. What action should be taken with the oil in the lines running to the washing machines?

    Y a. Open a COW nozzle forward and one aft and drain the line into the after tank by gravity
    N b. Blow the line out using compressed air
    N c. Pull a suction using the supply line pump
    N d. Close off all valves in the system and leave the oil in the line primed for the next crude oil wash

4120: Which of the following is considered auxiliary securing equipment that provides extra reliability to lashing in Ro-Ro transport operations?

    N a. Trailer trestles
    N b. Pedestals
    N c. Wheel chocks
    Y d. All of the above

4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?

    N a. Chain lever
    N b. Buckle tensioner
    Y c. Adjust-a-matic tensioner
    N d. Ratchet tensioner

4159: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels?

    N a. One
    Y b. Two
    N c. Three
    N d. Four

4235: What describes a twin crane lift?

    N a. Single crane hoisting 30 tons
    Y b. Two cranes on a single pedestal hoisting 60 tons
    N c. Two sets of twin cranes hoisting 120 tons
    N d. All of the above

4236: What is another description for a tandem crane lift?

    N a. Single crane hoisting 30 tons
    N b. Twin cranes hoisting 60 tons
    Y c. Quad lift hoisting 120 tons
    N d. All of the above