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.


4: Considering manning requirements for US flag vessels, your 2 watch cargo vessel has a deck crew of 20 people, exclusive of officers. How many of these people do the manning regulations require to be able seamen?


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?


75: Frames to which the tank top and bottom shell are fastened are called __________.


193: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.

    N a. the Light List
    N b. the International Code of Signals (PUB 102)
    Y c. Radio Navigational Aids (PUB 117)
    N d. the Coast Pilot

505: Which form of navigation may be suspended without notice under defense planning?

    N a. celestial
    N b. piloting
    Y c. electronic
    N d. None of the above

505: Which form of navigation may be suspended without notice under defense planning?

    N a. celestial
    N b. piloting
    Y c. electronic
    N d. None of the above

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

569: In order to reduce the accumulation of static electricity while loading petroleum products, you should __________.

    N a. start to load at maximum pressure
    Y b. start to load slowly
    N c. increase the air flow into the tank
    N d. use the overall method of loading only

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

635: A report of casualty to a vessel must include __________.

    Y a. the name of the owner or agent of the vessel
    N b. an evaluation of who was at fault
    N c. the amount of ballast on board
    N d. the estimated cost of damage

656: A deep draft VLCC (100,000 DWT+) navigating in a narrow channel or canal __________.

    Y a. draws more water than when underway in deep water
    N b. draws less water with an increase in speed
    N c. requires less power for a given speed
    N d. steers better under full power

730: In a Williamson turn, the rudder is put over full until the __________.

    N a. vessel has turned 90°From her original course
    Y b. vessel has turned 60°From her original course
    N c. vessel is on a reciprocal course
    N d. emergency turn signal sounds

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

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

    N a. towing arch
    N b. jockey bar
    N c. chafing bar
    Y d. Dutch tow bar

790: Which statement is TRUE of centrifugal pumps aboard tank vessels?

    N a. They are positive displacement pumps.
    Y b. They are gravity-fed.
    N c. They produce a pulsating flow.
    N d. They require more maintenance than a reciprocating pump.

794: "White Line" is made from __________.

    Y a. cotton
    N b. hemp
    N c. manila
    N d. sisal

797: A U.S. or foreign flag vessel that does not comply with the Officers Competency Certificates Convention of 1936 may be detained by certain designated officials. These officials include all of the following EXCEPT a/an ___________ .

    N a. Coast Guard officer
    N b. employee of the U.S. Customs Service
    N c. Coast Guard petty officer
    Y d. State Police officer

862: The term "pintle" and "gudgeon" are associated with the __________.

    N a. anchor windlass
    N b. jumbo boom
    Y c. rudder
    N d. steering engine

907: While assigned to a 90 GRT vessel, you are required to sign "foreign" articles on a voyage from Philadelphia to which port?

    Y a. San Francisco, CA
    N b. Baltimore, MD
    N c. Tampico, Mexico
    N d. Montreal, Canada

908: You must load as much of a large shipment of case goods as possible into a hold which has 24,400 cubic feet of space. Each case measures 2 feet by 2 feet by 4 feet and weighs 448 pounds. If you allow for broken stowage of 15%, how many long tons can be loaded?

    N a. 54
    N b. 207
    Y c. 259
    N d. 351

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

930: Which of the signals listed is required to be displayed at night while bunkering at a dock?

    Y a. One red light
    N b. Two red lights
    N c. One red light over a yellow light
    N d. One red light over a white light

932: When bunkering at a dock which of the following signals must be displayed?

    N a. A yellow flag by day, red light by night
    Y b. A red flag by day, red light by night
    N c. A green flag by day, green light by night
    N d. A red flag by day, a blue light by night

939: What is the purpose of pressure-vacuum relief valves?

    N a. Regulation of discharge pressure from cargo pumps
    N b. Maintaining constant velocity in cargo lines
    N c. Regulation of suction head on cargo pumps
    Y d. To maintain a tank or void at atmospheric pressure

1018: Which U.S. Government agency can suspend or revoke a Merchant Mariner's license for violating the load line act?

    N a. American Bureau of Shipping
    Y b. U.S. Coast Guard
    N c. U.S. Customs Service
    N d. U.S. Maritime Administration

1058: 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?

    N a. The owner of the vessel
    N b. The Master of the vessel
    N c. The person in charge of the vessel at the time of casualty
    Y d. Any one of the above

1174: Compared to manila line, size for size, nylon line __________.

    N a. has less strength than manila line
    Y b. has more strength than manila line
    N c. is equivalent to manila line
    N d. will rot quicker than manila line

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

1191: Which statement is TRUE about the use of a "gob rope"?

    N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead.
    Y b. The gob rope is used to secure the towline aft over the centerline of a tug..
    N c. The gob rope is a line hung over a vessel's side to assist in boarding.
    N d. The gob rope is a rope used in mooring a vessel to a buoy.

1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.

    N a. Coast Guard
    Y b. Customs
    N c. Immigration Service
    N d. Public Health Service

1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.

    N a. Coast Guard
    Y b. Customs
    N c. Immigration Service
    N d. Public Health Service

1236: You are docking a ship with a single-screw tug assisting on your starboard bow. How should the tug be tied up if you are anticipating that she will have to hold your bow off while you stem the current?

    N a. One head line would be sufficient.
    N b. The tug would need at least two head lines.
    N c. The tug should put a spring line up, leading astern on the ship.
    Y d. The tug should put a stern line up, leading ahead on the ship.

1238: A contract of affreightment is a __________.

    Y a. Bill of Lading
    N b. Bottomry Bond
    N c. manifest
    N d. Portage Bill

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

1396: Lifting the anchor from the bottom is called __________.

    N a. broaching the anchor
    N b. shifting the anchor
    N c. walking the anchor
    Y d. weighing the anchor

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

1525: The term "shift the rudder" means __________.

    N a. use right or left rudder
    Y b. change from right (left) to left (right) rudder an equal amount
    N c. check, but do not stop the vessel from swinging
    N d. put the rudder amidships

1607: Using a scope of 6, how much cable would have to be used in order to anchor in 24 feet of water?

    N a. 4 feet
    N b. 18 feet
    N c. 30 feet
    Y d. 144 feet

1623: A short splice in a line __________.

    N a. decreases the size of the line
    N b. should be used if the line is going through a block
    N c. should only be used in wire rope
    Y d. doubles the size of the line

1713: The cheek length of a block in inches should be about __________.

    Y a. three times the circumference of a manila line
    N b. five times the diameter of a manila line
    N c. twice the diameter of its sheaves for manila line
    N d. twenty times the diameter of a manila line

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.

1801: A vessel proceeding to London, England, from New York makes an unscheduled call at the port of Hamilton, Bermuda. What term is used to denote the voluntary departure from the usual course?

    N a. Alteration
    Y b. Deviation
    N c. Liberty
    N d. Unscheduled stop

1810: Using the graph shown, if the dry bulb temperature is 98°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )

    N a. 87%
    N b. 84%
    N c. 79%
    Y d. 65%

1823: Chafing gear __________.

    N a. reduces and prevents corrosion of standing rigging
    N b. prevents corrosion of running rigging
    Y c. reduces and prevents wear caused by the rubbing of one object against another
    N d. protects the body against extreme cold

1852: What is normally used to pass a mooring line to a dock?

    N a. Distance line
    N b. Gantline
    Y c. Heaving line
    N d. Tag line

2076: A person who sees someone fall overboard should __________.

    N a. immediately jump in the water to assist the individual
    N b. go to the bridge for the distress flares
    N c. run to the radio room to send an emergency message
    Y d. call for help and keep the individual in sight

2185: You are using tackle number 7 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? (DO29DG )

    N a. 200 lbs.
    N b. 150 lbs.
    N c. 110 lbs.
    Y d. 55 lbs.

2290: The sprocket teeth on a wildcat are known as the __________.

    N a. pawls
    N b. devil's claws
    Y c. whelps
    N d. pockets

2536: Wages due a seaman may be attached by the court for the __________.

    N a. payment of any fines imposed by the court
    N b. payment of back taxes to the IRS
    Y c. support of a spouse
    N d. All of the above

2591: A tow astern is veering from side to side on its towline. The best way of controlling the action is to __________.

    N a. trim the tow by the bow
    Y b. trim the tow by the stern
    N c. list the tow to windward
    N d. adjust the length of the towing bridle

2602: As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. Which type of line is this?

    N a. Plain-laid
    N b. Shroud-laid
    Y c. Left-hand laid
    N d. Water-laid

2688: What would have the greatest affect on a vessel's longitudinal strength?

    N a. Collision damage to the bow, forward of the collision bulkhead
    Y b. Grounding damage to the bilge strake, just aft of midships
    N c. Extensive corrosion to the centerline deck plating
    N d. Damage to the side shell, midway between the bilge and the stringer plate

2689: After riveting is completed, the joints on the shell of a vessel are generally made watertight by __________.

    N a. faying
    Y b. caulking
    N c. felt or canvas packing
    N d. red lead

2732: Flanking rudders effect a vessel's heading because of the __________.

    Y a. effect of the propeller flow on the rudders
    N b. water flow due to the vessel's movement through the water
    N c. tunnel affect of the water flow past opposing rudders
    N d. discharge current being channeled to impinge on the vessel's deadwood

2859: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "M" (Mike) to signify that "________________".

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

3166: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?

    N a. He must always take the seaman.
    N b. He is required to accept the seaman only if the seaman is medically unfit.
    Y c. He may refuse the seaman if the seaman has a contagious disease.
    N d. He may refuse to take the seaman if he is being held by shore authorities.

3280: What is NOT accepted as the required shipping papers on a manned and loaded tank barge?

    N a. Bill of Lading
    N b. Manifest
    N c. Shipping document
    Y d. Logbook entry

3724: What part of the ground tackle is the most likely to develop fractures due to extensive anchor use?

    N a. Anchor shank
    N b. Swivel
    Y c. Jews' harp
    N d. Fluke

4020: You are on a tankship discharging oil. When all of the oil that the main cargo pumps can handle is pumped out of a tank, the remainder is __________.

    N a. stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps
    Y b. stripped to one tank and then pumped out with the main pumps
    N c. stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps
    N d. gravitated to the centers from the wings and pumped out with the main pumps

4113: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?

    Y a. Periodic inspection and retensioning of lashings as required during voyage
    N b. Lashings may be completed after the vessel leaves port
    N c. One QMED assigned to oversee the initial loading and lashing
    N d. All of the above