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.


12: The maximum length allowed between main, transverse bulkheads on a vessel is referred to as the __________.


21: 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?


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


199: What is a cofferdam?

    N a. Tube fitted to an ullage hole
    N b. Area the product is loaded into
    Y c. Void or empty space separating two tanks
    N d. Opening in the deck used for cleaning a tank

211: A seaman is entitled by law to a release from Foreign Articles when __________.

    N a. intoxicated
    Y b. the vessel is overloaded
    N c. there is a change of home port
    N d. there is a change of Master

253: The forward movement of a vessel in one revolution of its propeller is measured by __________.

    N a. advance
    N b. head reach
    Y c. the pitch
    N d. transfer

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

625: Which statement is FALSE?

    N a. Your stern is sucked down and your draft increases when going from deep to shallow water.
    N b. Excessive speed while passing moored vessels may cause them to surge and break their moorings.
    N c. Excessive speed while passing a tow being pushed ahead or pushing a tow into an eddy too fast may break up the tow.
    Y d. None of the above

718: How many board feet of dunnage would you estimate to be in a pile 5 feet wide, 1 foot high and 14 feet long?

    N a. 70
    Y b. 840
    N c. 960
    N d. 1080

760: The connection to the towline must be secured with a ____________ .

    N a. galvanized screw-pin shackle
    N b. hardened steel thimble
    Y c. shackle secured a nut and cotter pin
    N d. shackle fitted with a swivel piece

856: A wedge of water building up between the bow and nearer bank which forces the bow out and away describes __________.

    Y a. bank cushion
    N b. bank suction
    N c. combined effect
    N d. bend effect

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

883: The size and material used for towline(s) must meet all of the following requirements, EXCEPT ____________ .

    N a. be appropriate to the vessel's horsepower or bollard pull
    N b. be strong enough to handle any static or dynamic loads expected during its service life
    Y c. fit any spare wire clips carried on board the vessel for repair purposes
    N d. be suitable for exposure to the marine environment

931: Which is NOT a required entry in the ship's Official Logbook?

    N a. Sale of effects of a deceased crew member
    N b. Medical treatment of an injury
    N c. Inspections of cargo gear
    Y d. Dry docking of the vessel

974: The "Port-Off-Stbd" selector switch on an autopilot steering stand is used to __________.

    N a. change from hand electric steering to automatic gyro
    Y b. change over one steering system to the other
    N c. change over hand electric steering to non-followup
    N d. change over the port to the starboard bow thruster

980: The perforated, elevated bottom of the chain locker, which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains, is called a __________.

    N a. cradle
    N b. draft
    N c. harping
    Y d. manger

1015: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference to determine the sagging numeral. (Get Table Data)

    N a. 71.07 numeral
    N b. 74.95 numeral
    N c. 77.56 numeral
    Y d. 78.29 numeral

1189: When bunkering is complete, the hoses should be __________.

    N a. cleaned internally with a degreaser
    N b. washed out with hot soapy water
    Y c. drained, blanked off, and stored securely
    N d. stowed vertically and allowed to drain

1189: When bunkering is complete, the hoses should be __________.

    N a. cleaned internally with a degreaser
    N b. washed out with hot soapy water
    Y c. drained, blanked off, and stored securely
    N d. stowed vertically and allowed to drain

1234: Which type of line will stretch the most when under strain?

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

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

1288: A document used to indicate suspected cargo damage caused by rough weather would be the __________.

    N a. cargo report
    N b. hull damage report
    Y c. Master's Note of Protest
    N d. Unseaworthy Certificate

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

1361: On a voyage charter, when a vessel is ready to load cargo, the Master should render to the charterer a __________.

    Y a. Notice of Readiness
    N b. Master Certificate of Service
    N c. Shipmasters Declaration
    N d. Vessel Utilization and Performance Report

1392: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )

    N a. forward breast line
    N b. offshore spring line
    Y c. offshore bow line
    N d. onshore bow line

1483: The knot used to join two lines or two large hawsers for towing is called a __________.

    N a. square knot
    Y b. carrick bend
    N c. sheet bend
    N d. bowline

1588: You are aboard a single-screw vessel (right-hand propeller) going full ahead with good headway. The engine is put astern and the rudder is placed hard left. The stern of the vessel will swing to __________.

    Y a. starboard until headway is lost and then to port
    N b. port
    N c. port until headway is lost and then may possibly swing to starboard
    N d. port slowly at first and then quickly to port

1740: The group of markings shown is called a __________. (D003DG )

    N a. loft mark
    Y b. load line mark
    N c. test mark
    N d. water mark

1772: What is the volume in a cone with a base diameter of 32 feet and a height of 21 feet?

    N a. 8,444.60 cubic ft.
    N b. 7,732.81 cubic ft.
    Y c. 5,629.73 cubic ft.
    N d. 703.72 cubic ft.

1798: You are on a single-screw vessel with a left-handed propeller making no way in the water. How will your vessel react when you apply right rudder?

    N a. Bow will kick to starboard
    N b. Bow will kick to port
    Y c. Rudder alone has no effect on the vessel
    N d. Stern will kick to port, then slowly swing to starboard

1814: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )

    N a. stern line
    N b. forward spring line
    N c. waist breast line
    Y d. after spring line

1856: When passing a hawser to the dock you would first use what line?

    N a. Gantline
    Y b. Heaving line
    N c. Preventer
    N d. Warp

1860: A towline should be fastened to __________.

    N a. the chocks at the bow of a towed vessel
    N b. the most forward, centermost point of a towed vessel such as a sturdy bow rail
    N c. the mast of a towed sailboat
    Y d. a secure fitting near the bow of the towed vessel

1953: What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?

    N a. The lines may jam and then jump off the gypsyhead.
    N b. If there is sudden strain on the line, the man tending the line may be pulled into the gypsyhead.
    N c. The lines' surging may cause the vessel to surge.
    Y d. The heat generated may cause the lines to temporarily fuse to the gypsyhead.

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

2065: A continual worsening of the list or trim indicates __________.

    N a. negative GM
    Y b. progressive flooding
    N c. structural failure
    N d. an immediate need to ballast

2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )

    N a. This represents the load line marks when engaged on a voyage upon the Great Lakes.
    N b. The line directly under the triangle is at the same level as the summer load line.
    N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only.
    Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible.

2218: If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause __________.

    Y a. mold to develop on commodities
    N b. malfunction of the refrigeration equipment
    N c. contamination of the insulation in the space
    N d. All of the above

2235: 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 advance for a turn of 75°? (D034DG )

    Y a. 800 yards (720 meters)
    N b. 860 yards (774 meters)
    N c. 910 yards (819 meters)
    N d. 955 yards (860 meters)

2251: The letter I indicates the keel. Which of the following plates is NOT part of the keel? (D033DG )

    N a. Center vertical keel
    N b. Rider plate
    Y c. Longitudinal girder
    N d. Flat plate keel

2502: A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the __________.

    N a. port and starboard strings
    N b. outer strings
    Y c. drag strings
    N d. side strings

2594: Which is NOT an advantage of the flush method of welded shell plating?

    N a. Reduces weight
    N b. Reduces frictional resistance
    N c. Keeps practically 100% of tensile strength at the joints
    Y d. Reduces plate stress

2712: Which two Great Lakes are considered hydraulically as one?

    N a. Lakes Superior - Huron
    Y b. Lakes Michigan - Huron
    N c. Lakes Erie - St. Clair
    N d. Lakes Erie - Ontario

2726: The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?

    N a. The boat should be hoisted a few inches clear of the cradle before cranking out the davits.
    N b. The inboard gripes should be cast off before the outboard gripes.
    Y c. The outboard section of the cradle must be released.
    N d. The tricing pendants will automatically bring the boat alongside at the embarkation deck.

2763: When a merchant vessel is under the Naval Control of Shipping Organization in wartime, naval authorities may give orders pertaining to __________.

    N a. minimum manning standards
    Y b. regulations about darkening ship
    N c. the stowage of explosives
    N d. the types of cargoes permitted on board

2810: Which document lists all the lifesaving equipment required for a vessel?

    Y a. Certificate of Inspection
    N b. American Bureau of Shipping Classification Certificate
    N c. International Convention for the Safety of Life at Sea Certificate
    N d. Certificate of Registry

2935: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?

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

2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".

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

2952: Spontaneous heating of coal rapidly accelerates at the approximate minimum temperature of __________.

    N a. 88°F
    Y b. 100°F
    N c. 111°F
    N d. 119°F

3218: The term "bollard pull" refers to a towing vessel's __________.

    N a. propulsion horsepower available
    N b. pulling ability at cruise power
    N c. towing winch capability
    Y d. pulling ability under static conditions

3321: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.

    N a. one year imprisonment or $500
    N b. two years imprisonment or $500
    Y c. two years imprisonment or $1000
    N d. two years imprisonment or $2000

3439: Horizontal fore or aft motion of a vessel is known as __________.

    N a. pitch
    Y b. surge
    N c. sway
    N d. roll

3452: A drift lead indicates that the vessel is dragging anchor when the line is __________.

    Y a. taut and leading forward
    N b. slack
    N c. leading out perpendicular to the centerline
    N d. leading under the hull

3454: For any given pedestal crane, when the boom is lengthened, the lifting capacity is __________.

    N a. unchanged
    N b. increased
    N c. eliminated
    Y d. decreased

3465: Which type of anchor is illustrated? (D038DG )

    Y a. Stockless
    N b. Danforth
    N c. Old-fashioned
    N d. Kedge

4091: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.

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

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

4227: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )

    N a. Foundation assembly
    N b. Turntable assembly
    N c. Crane house assembly
    Y d. All of the above

4240: It is the responsibility of the crane operator to, at all times, be aware of the location of the __________.

    N a. load
    N b. hook
    N c. boom
    Y d. All of the above

4251: Which action(s) is/are included in crane operations?

    N a. Single-mode set-up & operation
    N b. Twin-mode set-up & operation
    N c. Normal boom stowage and shutdown operation
    Y d. All of the above