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.


39: Combustible liquids are divided into how many grades?


81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?


198: Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is __________.


332: The helm command "Meet her" means __________.

    N a. steer more carefully
    Y b. use rudder to check the swing
    N c. decrease the existing rudder angle
    N d. note the course and steady on that heading

390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?

    N a. Radioactive II and oxidizer
    N b. Radioactive II and poison
    Y c. Radioactive I and corrosive
    N d. Fissile class I

430: On a manned vessel carrying packaged hazardous cargo, the hazardous materials shall be inspected __________.

    N a. every 24 hours unless equipped with a fire detecting system
    N b. prior to entry into a U.S. port
    N c. after stowage is complete
    Y d. All of the above

474: On an anchor windlass, the wheel over which the anchor chain passes is called a __________.

    N a. brake compressor wheel
    N b. devil's claw
    Y c. wildcat
    N d. winchhead

599: When stripping a tank, excessive air in the suction line may cause __________.

    N a. an over pressurized line
    N b. back pressure
    Y c. loss of suction
    N d. increase of suction

732: Which action should be taken FIRST if your tow is sinking in shallow water?

    Y a. Pay out the towline until the sunken tow reaches bottom.
    N b. Sever the towline.
    N c. Immediately head for the nearest shoreline.
    N d. Contact the Coast Guard.

769: The owner or Master of a towing vessel must ensure that each person that directs and controls the movement of the vessel knows all of the following EXCEPT ___________ .

    N a. the effects of maneuvering on the vessel and its tow
    N b. the speed and direction of any current for the area being transited
    N c. how to apply variation and deviation to readings from a magnetic compass
    Y d. the ownership of the vessel(s) being towed

792: When the vessel is on coastwise articles, the original certificate of the seaman's certificate of discharge is __________.

    Y a. given to the seaman
    N b. retained on board
    N c. sent to Commandant, U.S. Coast Guard
    N d. sent to the shipping company

795: Who certifies the safe working load of cargo booms on a vessel?

    N a. U.S. Coast Guard
    Y b. American Bureau of Shipping
    N c. Society of Naval Architects and Marine Engineers
    N d. The Ship's Master

804: Line is called "small stuff" if its circumference is less than __________.

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

855: Which party must ensure that legal work hour limitations (for both officers and crew members), rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor?

    N a. The owner of the vessel
    N b. The company operating the vessel
    Y c. The Master of the vessel
    N d. The company chartering the vessel

877: On which vessels may licensed individuals be required to stand watch under the two-watch system, on voyages of more than 600 miles in length?

    Y a. Uninspected towing vessels
    N b. Offshore supply vessels
    N c. Cargo ships
    N d. Tank vessels

878: You are going to load bales of wool having a stowage factor of 96 in #3 lower hold which has a bale cubic of 84,000. How many tons of wool can be stowed in the compartment?

    N a. 577
    N b. 602
    N c. 654
    Y d. 875

963: You are the person in charge of a 199-GT uninspected towing vessel engaged in towing from Galveston to Savannah and then returning, a distance in excess of 600 miles. Which statement is FALSE?

    N a. The sailors shall be divided into three watches.
    N b. All deck crew members are to have a Merchant Mariner's Document.
    N c. Able seamen are required in the deck crew.
    Y d. The crew members are NOT required to sign articles.

998: When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear?

    Y a. Non-followup
    N b. Rudder adjustment
    N c. Weather adjustment
    N d. All the above may be activated

1001: Which is supplied to the vessel by the U.S. Coast Guard?

    N a. Bell book
    N b. Cargo gear register
    Y c. Official Logbook
    N d. Rough Logbook

1060: You receive a package, for shipment aboard your vessel, containing Class 1 explosives. The package is damp, moldy and stained. You must __________.

    Y a. refuse to accept the package
    N b. note the exception(s) on the Bill of Lading
    N c. replace the packaging material before stowage
    N d. seek the approval of the USCG Captain of the Port

1077: A seaman dies during a voyage. What is NOT required to be entered into the Official Log?

    Y a. Statement that the Master has taken custody of the deceased's MMD and passport
    N b. An inventory of the money and property
    N c. Statement of the wages due
    N d. Statement as to the total deductions to be made from the wages

1079: The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a __________.

    N a. come-along
    Y b. crossover
    N c. manifold
    N d. runaround

1085: Which of the following statements concerning the rigging of bosuns' chairs and their use is TRUE?

    N a. Always secure the gantline to the chair with a bowline.
    N b. Always have the chair hoisted with at least three turns on a winch drum.
    Y c. Any tools, paint pots etc. should be secured by lanyards.
    N d. When riding a stay, make sure that the bow of the shackle passes through the becket of the bridle.

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

1300: Tonnage openings must be closed by means of __________.

    N a. press board
    N b. steel hatch boards
    Y c. steel plates
    N d. wooden hatch boards

1344: When working with wire rope, which must be considered?

    N a. Metal sheaves should be lined with wood or leather.
    Y b. It needs better care than hemp or manila.
    N c. It should be lubricated annually.
    N d. The diameter of a sheave over which a rope is worked should be ten times that of the rope.

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

1558: When making up a tow connection, you should use __________.

    N a. safety hooks
    N b. plain eye hooks
    N c. round pin shackles
    Y d. screw pin shackles

1575: The key to rescuing a man overboard is __________.

    N a. good communication
    N b. a dedicated crew
    N c. good equipment
    Y d. well-conducted drills

1714: A "sheepshank" is used to __________.

    N a. keep a line from fraying
    N b. join lines of unequal size
    N c. stop off a line
    Y d. shorten a line

1795: Which knot represents a double sheet bend? (DO30DG )

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

1961: A sufficient amount of chain must be veered when anchoring a vessel to ensure __________.

    N a. the vessel has enough room to swing while at anchor
    Y b. the anchor flukes bite into the ocean bottom
    N c. there is a sufficient scope of chain to keep the anchor on the bottom
    N d. there is more chain out than there is in the chain locker

1974: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.

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

2001: You are using tackle number 9 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. 52 lbs.
    Y b. 39 lbs.
    N c. 30 lbs.
    N d. 27 lbs.

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

2130: In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?

    N a. 60°
    N b. 135°
    N c. 180°
    Y d. 360°

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.

2176: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)

    N a. 91.42 numeral
    N b. 85.60 numeral
    Y c. 79.23 numeral
    N d. 74.73 numeral

2204: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?

    N a. Blot out the error completely and rewrite the entry correctly.
    N b. Carefully and neatly erase the entry and rewrite it correctly.
    Y c. Cross out the error with a single line, write the correct entry, and initial it.
    N d. Remove this page of the log book and rewrite all entries on a clean page.

2303: 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?

    N a. P (PRIORITY)
    N b. Z (FLASH)
    N c. R (ROUTINE)
    Y d. O (IMMEDIATE)

2400: The turning circle of a vessel is the path followed by the __________.

    N a. bow
    N b. outermost part of the ship while making the circle
    Y c. center of gravity
    N d. tipping center

2504: A seaman may have all or part of his wages deposited by allotment to a bank or savings institution. Which of the following is NOT a requirement for this type of allotment?

    Y a. The account must be either a checking or savings account.
    N b. The institution must be insured by the FSLIC or FDIC.
    N c. The account must be opened by the seaman and maintained in the seaman's name.
    N d. All of the above are requirements.

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

2734: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability book to determine the hogging numeral. (Get Table Data)

    N a. 98.23 numeral
    Y b. 95.70 numeral
    N c. 84.46 numeral
    N d. 81.37 numeral

2839: Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least __________.

    N a. 4 to 1 or better
    N b. 5 to 1 or better
    Y c. 6 to 1 or better
    N d. 8 to 1 or better

2896: You are proceeding against the current on a river in the Great Lakes System. You are meeting a downbound vessel. Both vessels are power-driven. The other vessel sounds one short blast. You must __________.

    N a. change course to port
    N b. hold course and speed
    N c. sound three short blasts
    Y d. sound one short blast

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.

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.

3048: The proximity of pack ice may be indicated by __________.

    N a. changes in seawater salinity
    Y b. glare on clouds on the horizon
    N c. changes in air temperature
    N d. icebergs

3449: What term indicates an inward curvature of the ship's hull above the waterline?

    N a. Camber
    Y b. Tumble home
    N c. Deadrise
    N d. Flare

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

4053: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you give this message?

    N a. O (IMMEDIATE)
    N b. P (PRIORITY)
    Y c. R (ROUTINE)
    N d. Z (FLASH)

4054: "Hanging a barge off" means to __________.

    Y a. moor a damaged barge to the bank and leave
    N b. remove and deliver a loaded barge from a multiple tow
    N c. remove a barge while locking through
    N d. tow an empty barge astern

4058: Your vessel is equipped with mechanical davits. When stowing the lifeboat after a drill while underway, you should __________.

    N a. leave the tricing pendants slack
    Y b. ensure the falls are taut
    N c. leave the outboard part of the cradle in the down position
    N d. secure the inboard gripes only

4151: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?

    N a. It is NOT imperative that the securing of cargo on flats and trailers and in containers be adequate for BOTH road and sea motions.
    Y b. The generally recommended lash angle should not be greater than 45 degrees relative to the deck in any direction.
    N c. For effective securing vehicles should be stowed athwartships whenever possible.
    N d. It is not necessary to lash automobiles since setting the brakes is sufficient to keep them from moving.

4181: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?

    N a. Wire rope.
    Y b. Chain
    N c. Webbing
    N d. All of the above

4203: Which of the following statements is/are FALSE concerning cranes being installed on the centerline of vessels?

    N a. One crane is able to work both sides of the ship.
    N b. One crane is able to work one end of two adjacent hatches.
    Y c. A centerline crane can never work more than one hatch.
    N d. All of the above

4209: Pedestal cranes have limit switches to restrict the movement of which function?

    N a. Slew travel limits
    N b. Turntable limits
    N c. Luff travel limits
    Y d. All of the above

4214: What does a jib refer to on a crane?

    Y a. Boom
    N b. Topping lift
    N c. Control cab
    N d. Slewing control

4222: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Equalizing beam
    N b. Hoist fall spreader
    Y c. Rider block
    N d. Block/hook assembly