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.


10: You are scheduled to load a bulk shipment of steel turnings. Which statement is TRUE?


41: Considering the manning requirements for U.S. vessels (100 gross tons and above), your cargo vessel has a deck crew of 20 men, exclusive of the officers. How many of these men do the manning regulations require to be Able Seamen?


61: Deckhands onboard towing vessels shall be divided into 3 watches when on a trip exceeding __________.


67: You are in charge of a U.S. documented vessel. Under title 46 of the United States Code, if you fail to report a complaint of a sexual offense, you may be __________.

    Y a. civilly charged and fined
    N b. criminally charged and jailed
    N c. held personally liable by the victim and sued
    N d. All of the above are correct.

78: Which is an example of cargo damage caused by inherent vice?

    N a. Sublimation of chemicals
    Y b. Heating of grain
    N c. Stevedore damage
    N d. Wear and tear

90: You are on a multiple-product chemical tanker. The loading plan includes cargoes of diethylenetriamine and formamide. Which statement concerning the stowage of these cargoes is TRUE?

    N a. They must be separated by a void space or empty tank.
    N b. The cargoes must have individual venting systems.
    N c. The valves in common piping systems must be chained closed and locked.
    Y d. The minimum segregation required is a single bulkhead.

109: What is meant by "thieving" a petroleum cargo?

    N a. Adjusting the cargo figures to coincide with the draft
    Y b. Determining the amount of water (if any) in each cargo tank
    N c. Reducing the gross cargo calculations to net amounts
    N d. Siphoning off a few barrels of petroleum for shipboard use

144: The lookout sights a vessel dead ahead. This should be reported on the bell with __________.

    N a. one bell
    N b. two bells
    Y c. three bells
    N d. four bells

428: Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is TRUE?

    Y a. You must ventilate constantly and vigorously to combat ship sweat.
    N b. You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat.
    N c. There is danger of heavy cargo sweat if you ventilate.
    N d. There is little danger of any sweat problem.

441: The document which shows a vessel's nationality, ownership, and tonnage is the __________.

    N a. Manifest Certificate
    N b. Bill of Lading Certificate
    Y c. Certificate of Documentation
    N d. Official Logbook

488: Which data can NOT be found on a moisture equilibrium chart?

    N a. Dry bulb temperature
    N b. Moisture content
    N c. Vapor pressure
    Y d. Wet bulb temperature

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

754: Which method is used to detect rot in manila lines?

    N a. Feeling the surface of the line for broken fibers
    N b. Measuring the reduction in circumference of the line
    N c. Observing for the appearance of mildew on the outer surface
    Y d. Opening the strands and examining the inner fibers

768: A cargo of canned foodstuff is packed in cartons. Each carton is 36 cubic feet and weighs 340 pounds. The stowage factor of the cargo is __________.

    N a. 9.5
    N b. 62
    N c. 212
    Y d. 237

778: What is the stowage factor of a commodity whose density is 15 pounds per cubic foot?

    N a. 15
    N b. 45
    N c. 133
    Y d. 149

791: The oil record book is required to be carried aboard __________.

    N a. tankers
    N b. passenger vessels
    N c. cargo vessels
    Y d. All of the above

818: Your vessel has a deadweight capacity of 5000 tons and a cubic capacity of 300,000 cu. ft. You are to load lead, with a stowage factor of 18, and cotton, with a stowage factor of 80. If you load full and down, how much cotton should you load?

    N a. 1613 tons
    N b. 2190 tons
    N c. 2810 tons
    Y d. 3387 tons

846: A vessel proceeding along the bank of a river or channel has the tendency to __________.

    N a. continue in line with the bank
    N b. hug the bank
    Y c. sheer away from the bank
    N d. increase speed

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

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

1099: To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, cargo hoses must be suspended with __________.

    N a. slings or saddles placed at 25-foot (8 meter) intervals
    Y b. enough slack in their bight
    N c. topping lifts and runners tied off to winches
    N d. All of the above

1133: To properly rig the downhaul to your stage for lowering, you must __________.

    N a. take only figure eights around the horns
    Y b. take 2 or 3 round turns around the stage and then belay the downhaul around the horns
    N c. take 2 round turns around the stage and then dip the third turn to form a clove hitch
    N d. pass the downhaul through the bridle formed by the standing part and then take round turns

1151: The term used in levying customs duties when such are fixed at rates proportioned to estimated value of goods concerned is __________.

    Y a. ad valorem
    N b. infinite
    N c. secure
    N d. specific

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

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

1298: A Master should file a marine note of protest if __________.

    N a. cargo was received at ship side which was damaged in land transit
    N b. longshore labor went on strike in the port causing undue vessel delay
    N c. portions of his vessel's cargo were illegally impounded in a foreign port
    Y d. the vessel encountered heavy weather which might have caused cargo damage

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

1379: The heel block is located __________.

    Y a. at the base of the boom
    N b. at the cargo hook
    N c. near the midships guy
    N d. near the spider band

1513: Which knot is suitable for hoisting an unconscious person?

    N a. Bowline in a bight
    Y b. French bowline
    N c. Fisherman's loop
    N d. Spider hitch

1655: Which knot represents a double blackwall hitch? (DO30DG )

    N a. F
    N b. G
    Y c. L
    N d. R

1659: The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the __________.

    N a. deck
    N b. head of the boom
    Y c. heel of the boom
    N d. mast or king post

1663: A bench hook is used for __________.

    N a. handling of cargo cases
    N b. hanging oilskins
    Y c. sewing canvas
    N d. splicing small stuff

1879: What is the mechanical advantage of a threefold purchase when rove to disadvantage and neglecting friction?

    N a. 3
    N b. 4
    N c. 5
    Y d. 6

1988: When towing, what is the main reason for using a chain bridle on a wire hawser?

    N a. It makes for an easy connection.
    Y b. It gives a spring effect to cushion the shock.
    N c. It eliminates the necessity of a swivel.
    N d. It does not chafe.

2123: Your vessel is required to have a slop chest. Which of the following articles is NOT required by law to be carried in the slop chest?

    N a. Foul weather clothing
    Y b. Candy
    N c. Tobacco products
    N d. Blankets

2189: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn you take the ranges and bearings of an isolated light with the results shown. Based on this information, what is the transfer for a turn of 75°? (D034DG )

    N a. 340 yards (306 meters)
    Y b. 280 yards (252 meters)
    N c. 230 yards (207 meters)
    N d. 190 yards (171 meters)

2190: What is the name of tackle number 3? (DO29DG )

    N a. 1-2 purchase
    N b. Gun tackle
    Y c. Single luff tackle
    N d. Double whip

2205: On the fully containerized ship, approximately one-third or more of the cargo is on deck above the rolling center. Top stowed containers are subject to __________.

    Y a. accelerations greater than on conventional vessels
    N b. accelerations less than on conventional vessels
    N c. accelerations the same as on conventional vessels
    N d. no accelerations

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

2282: Using the graph in illustration D008DG, if the dry bulb temperature is 77° and the wet bulb temperature is 69°, what is the relative humidity in a cargo hold? (D008DG )

    Y a. 67%
    N b. 70%
    N c. 77%
    N d. 81%

2384: What is the volume of a sphere with a radius of 3 feet?

    Y a. 113.08 cubic ft.
    N b. 96.57 cubic ft.
    N c. 37.69 cubic ft.
    N d. 28.23 cubic ft.

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

2512: Ultrasonic testing is used to determine the thickness of a vessel's shell plating and to __________.

    N a. provide tail shaft clearances
    Y b. test welds for subsurface defects
    N c. check the wear of the rudder carrier bearing
    N d. test the links of the anchor cables while being ranged

2547: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated IMMEDIATE will be delivered within __________.

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

2603: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?

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

2656: What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?

    Y a. A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases.
    N b. Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien.
    N c. Damage caused by riot of the population of a port.
    N d. Losses caused by fines from polluting the harbor after malfunction of a piping system.

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

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"

2824: While being assisted by an icebreaker on Lake Superior, you receive a single letter code instructing you to slow your vessel. Which signal could you use to signify that you are complying with the request?

    N a. Three blasts of the whistle
    N b. The code flag "A" (Alpha) displayed from a halyard
    Y c. Four blasts of the whistle, namely 1 short 2 long and 1 short
    N d. The code flag "L" (Lima) displayed from a halyard

2942: How should you signal the crane operator to move slowly?

    Y a. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal.
    N b. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired.
    N c. First tap your elbow with one hand and then proceed to use regular signals.
    N d. First tap the top of your head with your fist and then proceed to use regular signals.

2979: Which statement about shipping coal is TRUE?

    N a. Anthracite will generate more methane than bituminous coal.
    N b. Coal should not be shipped while wet.
    Y c. Coal should be surface ventilated to remove methane gas.
    N d. The methane gas generated by coal will react with moisture on the ship's structure and accelerate corrosion.

2986: Sulfuric acid is a __________.

    N a. clear syrupy liquid with no odor
    Y b. colorless-to-brown liquid with a choking odor when hot
    N c. colorless liquid with a pleasant fruity odor
    N d. whitish liquid with a faint, pleasant odor

3079: What is a solid at ambient temperature?

    N a. Aniline
    N b. Formic acid
    N c. Methyl chloride
    Y d. Napthalene

3079: What is a solid at ambient temperature?

    N a. Aniline
    N b. Formic acid
    N c. Methyl chloride
    Y d. Napthalene

3141: What is NOT a securing system used on a containership?

    N a. Lashing system
    Y b. Stacking system
    N c. Locking system
    N d. Buttress system

3347: The opening in the deck beneath the anchor windlass that leads to the chain locker is the __________.

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

3589: A vessel has been surveyed in a foreign port and found unseaworthy as a result of neglect. A seaman on this vessel is entitled to discharge and __________.

    N a. transportation to the port of engagement
    N b. one month's pay only
    N c. one month's pay or transportation to the nearest U.S. port, whichever is the least amount
    Y d. one month's pay or transportation to the nearest U.S. port, whichever is the greater amount

4154: What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel?

    N a. That all fuel is drained from the vehicles' tanks to prevent fire hazard
    Y b. The size, weight, and center of gravity of vehicle/cargo unit
    N c. The preferred stowage of vehicles is athwartships wherever possible
    N d. The vehicles' brakes should not be set to allow for adjusting the lashings

4182: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?

    Y a. Chain
    N b. Wire rope
    N c. Webbing
    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