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.


56: The effect of wind on exposed areas of the vessel is most noticeable when __________.


98: A hygroscopic cargo is defined as a cargo __________.


171: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are as listed. Based on this data what is the transfer for a turn of 30°? d035dg


286: Sidewise force of the propeller tends to throw a vessel's stern to the right or left, depending on rotation. This force is caused by __________.

    N a. back current from the rudder
    N b. greater pressure on the right or left side of the propeller, depending on rotation
    N c. lower pressure on the right or left side of the propeller, depending on rotation
    Y d. torque from the velocity and angle at which the surrounding water impinges upon the propeller blades

391: A tonnage tax is levied according to the __________.

    N a. deadweight cargo tonnage aboard
    N b. displacement tonnage of vessel
    N c. gross tonnage of vessel
    Y d. net tonnage of vessel

497: Which type of fiber towing hawser is preferred for towing astern?

    N a. Manila
    N b. Polypropylene
    Y c. Nylon
    N d. Dacron

516: You are going ahead on twin engines with rudder amidships. Your starboard engine stalls. To continue on course, you should __________.

    Y a. apply left rudder
    N b. apply right rudder
    N c. increase engine speed
    N d. keep your rudder amidships

533: A towing hook may be released from the __________.

    N a. tug's engineroom or the bow
    Y b. pilot house or aft steering station
    N c. forecastle
    N d. towing bitts by reaching over and releasing a lever

568: Which statement concerning the carriage of containers is TRUE?

    N a. The Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in port.
    N b. When stowed on deck of a break bulk ship, the bottom of the container must be evenly supported throughout.
    Y c. With tiered containers, a 40-foot container may be stowed on top of two 20-foot containers.
    N d. Deck load calculations must take into account the square footage of the entire container bottom.

613: A lookout can leave his station __________.

    N a. at the end of the watch
    Y b. only when properly relieved
    N c. at any time
    N d. 15 minutes before the end of the watch

664: Coiling new rope against the lay, bringing the lower end up through the center of the coil, then coiling with the lay, in order to remove the kinks, is known as __________.

    N a. coiling
    N b. faking
    N c. flemishing
    Y d. thoroughfooting

709: The designations A,B,C,D, and E grades of cargo refer to the __________.

    N a. degrees of quality of petroleum products
    Y b. flash point range and Reid vapor pressure index of petroleum products
    N c. grades of crude oil
    N d. pour point, color, and viscosity index of petroleum products

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

746: Which effect does speed through the water have on a vessel which is underway in shallow water?

    N a. A decrease in the speed results in a decrease in steering response and maneuverability.
    Y b. An increase in speed results in the stern sucking down lower than the bow.
    N c. An increase in speed results in the vessel rising on an even plane.
    N d. A decrease in speed results in the vessel sucking down on an even plane.

800: A Kort nozzle is a(n) __________.

    Y a. hollow tube surrounding the propeller used to improve thrust
    N b. nozzle attached to a firefighting hose
    N c. intake valve on a diesel engine
    N d. piston cylinder on a diesel engine

820: A partial deck in a hold is called a(n) __________.

    N a. weather deck
    Y b. orlop deck
    N c. shelter deck
    N d. main deck

828: Your vessel's available bale cubic capacity is 625,000 and her available cargo capacity is 10,000 deadweight tons. Disregarding broken stowage, how many tons of pyrite (stowage factor - 13) and how many tons of cork (s.f. - 150) must be loaded to be full and down?

    Y a. 6387 tons pyrite, 3613 tons cork
    N b. 6721 tons pyrite, 3279 tons cork
    N c. 7500 tons pyrite, 2500 tons cork
    N d. 9133 tons pyrite, 867 tons cork

941: Which logbook is required to be submitted to the Coast Guard?

    Y a. Official Log
    N b. Smooth log
    N c. Rough log
    N d. Bell log

966: When a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizing, the boat has __________.

    Y a. broached
    N b. pitchpoled
    N c. trimmed
    N d. yawed

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

1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.

    N a. exemption space
    N b. tonnage deck
    N c. cofferdam
    Y d. tonnage opening

1146: While your vessel is docked port side to a wharf, a sudden gale force wind causes the vessel's bow lines to part. The bow begins to fall away from the dock, and no tugs are immediately available. Which measure(s) should you take FIRST?

    N a. Call the Master and the deck gang.
    N b. Slip the stern lines, let the vessel drift into the river, and then anchor.
    Y c. Let go the starboard anchor.
    N d. Obtain assistance and attempt to put some new bow lines out.

1188: An implied warranty of seaworthiness on the part of the vessel's owner lies in the __________.

    N a. Cargo Manifest
    N b. Certificate of Inspection
    N c. Classification Certificate
    Y d. contract of carriage, i.e. Bill of Lading

1374: Which type of stopper should be used to stop off wire rope?

    Y a. Chain
    N b. Manila
    N c. Polypropylene
    N d. Wire

1434: In the manufacture of wire rope, if the wires are shaped to conform to the curvature of the finished rope before they are laid up, the rope is called __________.

    N a. composite
    N b. left-lay
    N c. improved
    Y d. preformed

1461: While a vessel is at sea, the mate on watch discovers a fire in one of the hatches. Fire hoses are used to put the fire out and some of the cargo is damaged by water. In marine insurance terms, this partial loss by water is called __________.

    N a. an Act of God
    N b. fire and water damage
    Y c. general average
    N d. particular average

1501: Particular average is __________.

    N a. the average distance steamed per day over the duration of the voyage
    N b. charges against all parties in a marine venture to pay for damages
    Y c. loss sustained by only one party
    N d. claimed after all liens against the vessel are settled

1534: Which statement(s) is(are) TRUE concerning wire rope?

    Y a. Wire rope should be condemned if the outside wires are worn to one-half their original diameter.
    N b. Wire rope should be condemned if the fiber core appears moist.
    N c. Wire rope which is right-hand laid should be coiled counterclockwise to prevent kinking.
    N d. All of the above

1613: Which splice should you use in order to make a permanent loop in a line?

    N a. Back splice
    Y b. Eye splice
    N c. Long splice
    N d. Short splice

1615: A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is __________.

    N a. tow strain
    N b. catenary length
    Y c. being in step
    N d. Williamson's Tow

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

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

1780: The term that indicates how many tons of cargo a vessel can carry is __________.

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

1817: Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the __________.

    N a. U.S. Coast Guard
    Y b. American Bureau of Shipping
    N c. National Cargo Bureau
    N d. local port authority

1844: A wooden float placed between a ship and a dock to prevent damage to both is called a __________.

    Y a. camel
    N b. dolphin
    N c. rat guard
    N d. wedge

1868: When being towed by one tug, the towing bridle should be connected to towing __________.

    Y a. bitts with figure eights
    N b. pad eyes with pelican hooks
    N c. pad eyes with safety hooks
    N d. All of the above

1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 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? (DO29DG )

    N a. 57 lbs.
    N b. 42 lbs.
    N c. 39 lbs.
    Y d. 34 lbs.

1966: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.

    N a. bow
    N b. bridge
    Y c. center of gravity
    N d. centerline

1975: The knot lettered F in illustration DO30DG is a __________. (DO30DG )

    N a. becket bend
    N b. square knot
    N c. fisherman's bend
    Y d. round turn and two half hitches

2039: There is a large shipment of case goods available to be loaded on your vessel. You are to load as many tons as possible in a hold which has 32,300 cubic feet left unfilled by cargo. Each case measures 2-feet high by 2-feet wide by 4-feet long and weighs 500 pounds. If you allow a broken stowage allowance of 10% of the 32,300 feet, what is the nearest whole number of tons which may be loaded?

    N a. 324 tons
    N b. 360 tons
    N c. 363 tons
    Y d. 406 tons

2113: One major advantage of the round turn maneuver in a man overboard situation is that it __________.

    Y a. is the fastest method
    N b. is easy for a single-screw vessel to perform
    N c. requires the least shiphandling skills to perform
    N d. can be used in reduced visibility

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

2519: If a passenger vessel navigating the Great Lakes is required to carry 8 ring life buoys, how many of these buoys must have water lights attached?

    N a. 8
    Y b. 6
    N c. 4
    N d. 2

2639: A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.

    Y a. filling completely
    N b. developing free surface
    N c. developing free surface moment
    N d. collapsing

2652: You are using the anchor to steady the bow while maneuvering. You have the proper scope of anchor cable when the __________.

    Y a. bow is held in position with the engines coming slowly ahead
    N b. anchor is just touching the bottom
    N c. scope is not more than 5 times the depth of the water
    N d. cable enters the water at an angle between 60° and 85° from the horizontal

2662: What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?

    N a. Bends in the piping
    Y b. Slowing the pumping rate
    N c. Pipeline valves
    N d. Backing rings for pipe welds

2719: Which publication would give detailed information on the commercial vessel traffic reporting system for connecting waters from Lake Erie to Lake Huron?

    N a. United States Coast Pilot - Great Lakes #6
    N b. U.S. Coast Guard Light List - Vol. VII
    Y c. Code of Federal Regulations - Title 33
    N d. The appropriate Great Lakes Navigation Chart

2748: The Lake Carriers Association and the Canadian Shipowners Association prescribe separation routes for upbound and downbound vessels on the Great Lakes. The recommended courses for these routes are shown on the Great Lakes Charts in the form of __________.

    Y a. red or magenta figures over a segmented course line track
    N b. red figures over a solid course line track
    N c. black figures over a segmented course line track
    N d. green figures over a solid course line track

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"

2886: How should you signal the crane operator to lower?

    N a. With forearm vertical and forefinger pointing up, move hand in small horizontal circles.
    Y b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles.
    N c. Extend arm and point finger in the direction to move the boom.
    N d. Extend arm with thumb pointing downward, and flex fingers in and out.

3275: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?

    N a. Damage to property amounting to $12,500
    N b. Loss of bridge-to-bridge radio capability
    N c. An injury requiring first aid treatment
    Y d. Accidental stranding or grounding

3291: The riding pawl is __________.

    N a. a safety interlock in a cargo winch that prevents the runner from overspeeding
    Y b. a stopper that prevents the anchor cable from running free if the cable jumps the wildcat
    N c. the device that locks the deck lashings of the Peck and Hale system
    N d. the lug that rides on the eccentric rib and engages the locking ring on the windlass

3410: When "checking down" a barge using a check line you should use __________.

    N a. one round turn and at least two figure-eights around the timber heads
    N b. at least three figure-eights around the timber heads
    N c. a clove hitch around one timber head
    Y d. at least three round turns around one timber head

3480: When barge headlogs do not meet or are not even with one another, the void or opening between them is called a __________.

    Y a. notch
    N b. hole
    N c. spacing
    N d. gap

3491: You are the licensed Master of a towing vessel operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?

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

3491: You are the licensed Master of a towing vessel operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?

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

3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is true?

    N a. The thrust on the boom is greater at 20°.
    N b. The stress on the topping lift is greater at 60°.
    Y c. The stress on the heel block is less at 60°.
    N d. The change in angle of elevation has no effect on the stresses in the head block.

4130: Which lashing material is preferred when securing new cars aboard Ro-Ro vessels?

    N a. Chain lever or turnbuckle
    Y b. Webbing
    N c. Wire
    N d. None of the above

4155: Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?

    N a. Layout of decks
    N b. Vertical clearances
    N c. Tie-down and lashing
    Y d. All of the above

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