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.


9: Defense plans may cause the operation of electronic aids to navigation to be suspended with __________.


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


116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.


134: Your ship is steaming at night on gyro-pilot when you notice that the vessel's course is slowly changing to the right. Which action should you take FIRST?

    N a. Call the Master.
    Y b. Change to hand steering.
    N c. Notify the engine room of the steering malfunction.
    N d. Send the Quartermaster to the emergency steering station.

223: Who is responsible for providing urine specimen collection kits to be used following a serious marine incident?

    N a. Qualified medical personnel
    Y b. The marine employer
    N c. The U.S. Coast Guard
    N d. The local police department

233: A vessel brought alongside should be fended off the towing vessel by __________.

    N a. crew members using their arms
    N b. a boat hook
    Y c. fenders
    N d. No fending is necessary due to the rugged construction of most towing vessels.

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

    N a. have the U.S.C.G. Captain of the Port approve the shipment
    N b. note an exception on the Bill of Lading
    N c. repair or replace the packaging before stowage
    Y d. seek the shipper's advice with regard to withdrawal, repair, or replacement

296: You are on a course of 000°T and put the rudder right 30°. In which direction will the transfer be measured?

    N a. 000°T
    Y b. 090°T
    N c. 180°T
    N d. 270°T

462: The safe working load (SWL) of wire rope with a safety factor of 6 is what percent of its strength?

    N a. 10%
    Y b. 17%
    N c. 50%
    N d. 80%

467: Of which type of material may a towing hawser be constructed?

    N a. Wire rope
    N b. Nylon, dacron, polypropylene or a blend of other synthetic fibers
    N c. Manila
    Y d. All of the above

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

576: In twin-screw engine installations while going ahead, maneuvering qualities are most effective when the tops of the propeller blades both turn __________.

    N a. to starboard
    Y b. outboard from the center
    N c. to port
    N d. inboard toward the center

654: A rope made of a combination of wire and fiber is known as __________.

    N a. independent
    N b. lang lay
    N c. preformed
    Y d. spring lay

747: When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.

    N a. inadequate ullage space
    N b. having the cargo too cool
    N c. explosion of vapors after discharge
    Y d. having to breathe the fumes

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

887: The condition of a towline must be monitored by ______________ .

    N a. keeping record of the towline's initial minimum breaking strength
    N b. keeping record of each retest of the towline's minimum breaking strength
    N c. conducting routine visual inspections of the towline
    Y d. All of the above

1020: The Plimsoll mark on a vessel is used to __________.

    N a. align the vessel's tail shaft
    N b. determine the vessel's trim
    Y c. determine the vessel's freeboard
    N d. locate the vessel's centerline

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

1328: The declaration made by the Master when he anticipates hull and/or cargo damage due to unusual weather conditions is a __________.

    Y a. Note of Protest
    N b. Notice of Casualty
    N c. Portage Bill
    N d. Bottomry Bond

1354: A 6x19 wire rope would be __________.

    N a. 6 inches in diameter and 19 fathoms long
    N b. 6 inches in circumference with 19 strands
    Y c. 6 strands with 19 wires in each strand
    N d. 19 strands with 6 wires in each strand

1402: What form of ice is of land origin?

    N a. Shuga
    N b. Floe
    N c. Spicule
    Y d. Bergy bit

1496: The purpose of a devil's claw is to __________.

    Y a. act as a chain stopper
    N b. prevent the windlass from engaging
    N c. prevent the chain from fouling on deck
    N d. control the wildcat

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

1626: Using a scope of 6, determine how many feet of anchor cable you should put out to anchor in 12 feet (3.7 meters) of water.

    N a. 2 feet (0.6 meters)
    N b. 18 feet (5.5 meters)
    N c. 48 feet (14.6 meters)
    Y d. 72 feet (21.9 meters)

1739: If two falls are attached to lift a one-ton load, what angle between the falls will result in the stress on each fall being equal to the load being lifted?

    N a. 60°
    N b. 75°
    Y c. 120°
    N d. 150°

1788: Which position shown is the most dangerous when tying up? (D019DG )

    Y a. I
    N b. II
    N c. III
    N d. IV

1828: Your vessel is broken down and rolling in heavy seas. You can reduce the danger of capsizing by __________.

    N a. constantly shifting the rudder
    N b. moving all passengers to one side of the boat
    Y c. rigging a sea anchor
    N d. moving all passengers to the stern

1901: 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 assign this transmission?

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

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

2198: 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 transfer for a turn of 90°? (D034DG )

    N a. 355 yards
    Y b. 380 yards
    N c. 410 yards
    N d. 455 yards

2246: Cargoes that might leak from containers are known as __________.

    N a. dirty cargoes
    N b. caustic cargoes
    Y c. wet cargoes
    N d. bulk cargoes

2248: A "wet cargo" refers to __________.

    N a. a cargo that will be damaged if it gets wet
    N b. bulk liquids
    N c. cargoes that will cause condensation
    Y d. liquids in containers

2264: When you "end for end" a wire rope, you __________.

    N a. cut off the free end and bitter end of the rope
    N b. splice two wire ropes together
    Y c. remove the wire rope from the drum and reverse it so that the free end becomes the bitter end
    N d. remove the wire rope from the drum and turn it over, so the wire bends in the opposite direction

2349: What is the volume of a sphere with a radius of 7 feet?

    N a. 11,491.87 cubic ft.
    Y b. 1,436.76 cubic ft.
    N c. 963.72 cubic ft.
    N d. 205.21 cubic ft.

2463: The crane manufacturer's load chart should be posted at or near the __________.

    N a. crane pedestal
    N b. wire rope locker
    N c. main deck
    Y d. crane control console

2551: What welding pattern is NOT used to permanently attach a stiffener to a plate?

    N a. Chain intermittent
    Y b. Tack
    N c. Continuous
    N d. Staggered intermittent

2599: When several salvors are on-scene at the same time to assist a vessel that has not been abandoned, which principal governs the decision as to which one's services will be accepted?

    Y a. The Master of the ship needing assistance has the absolute right to decide.
    N b. The first salvor on-scene has the prior claim providing he has adequate facilities to assist the vessel needing assistance.
    N c. The salvors must agree to a division of any salvage among themselves with the major share allotted to those doing the most work.
    N d. The first salvor on-scene has the absolute right to provide assistance; however, he is liable if the ship is lost due to his lack of experience, equipment, etc.

2622: You must shore up the collision bulkhead due to solid flooding forward. The bulkhead approximates an inverted triangle. The center of pressure of the shores on the bulkhead should be located __________.

    N a. evenly over the surface of the bulkhead
    Y b. approximately two-thirds of the way up the bulkhead
    N c. approximately halfway up the bulkhead
    N d. at the bottom of the bulkhead

2794: The Great Lakes Edition of the Notice to Mariners is published __________.

    Y a. weekly by the 9th Coast Guard District
    N b. monthly by the Army Corps of Engineers
    N c. monthly by the Naval Oceanographic office
    N d. biweekly by the Commandant, U.S. Coast Guard

2855: A 150-meter vessel is proceeding down the course of a narrow channel in the Great Lakes System. A 60-meter vessel is starting to cross the channel. Which statement is TRUE?

    Y a. If the smaller vessel is engaged in fishing, he shall not impede the passage of the other vessel.
    N b. The crossing vessel has the right of way.
    N c. The vessel in the channel must slow to her steerageway.
    N d. The larger vessel is considered to be a vessel restricted in her ability to maneuver.

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.

2936: Storms that enter the Great Lakes Basin from the west and northwest at a peak in October are the products of pressure systems known as __________.

    N a. Northwesters
    Y b. Alberta lows
    N c. Fata morgana
    N d. Polar highs

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.

3026: Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?

    N a. Steam fog
    Y b. Advection fog
    N c. Radiation fog
    N d. Lake effect fog

3076: The part of the anchor indicated by the letter K is the __________. (D038DG )

    N a. crown
    Y b. ring
    N c. shank
    N d. bending shot

3096: When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to __________.

    N a. provide the proper trim
    N b. prevent negative stability from developing
    Y c. prevent excessive longitudinal stresses
    N d. control list

3172: The signal man assisting the crane operator has his hands clasped in front of his body. This is the signal to __________.

    Y a. dog everything
    N b. stop
    N c. stand-by
    N d. prepare for signal

3201: You are on watch entering port, and the Master gives the helmsman a rudder command which conflicts with a rudder command from the Pilot. You should make sure the helmsman __________.

    N a. obeys the Pilot
    N b. asks you for instructions
    Y c. obeys the Master
    N d. brings the rudder to a point midway between the two conflicting positions

3206: The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. This is the signal to __________.

    Y a. lower the boom and raise the load
    N b. lower the load and raise the boom
    N c. raise the boom and lower the load
    N d. raise the load and lower the boom

3342: Which term refers to a transverse curvature of the deck?

    N a. Deadrise
    Y b. Camber
    N c. Freeboard
    N d. Flare

3431: A high cube container is designed specifically to __________.

    Y a. carry low density cargoes
    N b. protect fragile cargoes
    N c. stow cargoes with concentrated weights such as machinery
    N d. carry cargoes of very low stowage factors

3712: When should a crane boom-up so high that the boom hits the stops?

    N a. Only if the load has not exceeded the limit at that angle
    N b. Only if the load contains non-hazardous materials
    N c. Only if necessary to perform a given lift
    Y d. Never

4014: The facewire refers to item __________. (D024DG )

    Y a. I
    N b. H
    N c. B
    N d. A

4112: What is(are) standard operating procedure(s) used on a Ro-Ro vessel?

    N a. One engineer officer assigned to oversee the initial loading and lashing
    N b. Cargo lashings may be removed at sea for maintenance
    Y c. Periodic inspection and retensioning of lashings during the voyage
    N d. All of the above

4121: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.

    N a. rolling
    N b. pitching
    N c. heaving
    Y d. All of the above

4142: The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it __________.

    N a. is Lighter than chain
    N b. has a good working life
    N c. is not affected by temperature
    Y d. All of the above

4149: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?

    N a. The securing of cargo on flats and trailers must be adequate to withstand road motions only.
    N b. The movements experienced by road borne cargo are the same as the movements of a ship at sea.
    Y c. The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction.
    N d. It is not necessary for an adequate number of securing points on the vehicles themselves since setting the brakes is sufficient.

4174: What should be done immediately after putting down the stern ramp on a Ro-Ro vessel, prior to loading or discharging cargo?

    N a. Turn on the red cargo light.
    N b. Turn on pumproom ventilation.
    N c. Call out the deck department for all hands.
    Y d. Raise/open the stern door.

4185: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?

    N a. Drape along brackets
    N b. Hang vertically in a sheltered area
    N c. Stow in bins at hatch coming side
    Y d. All of the above

4277: Which wire rope purchases may be used with a 30-ton pedestal crane?

    N a. Hoist
    N b. Luff
    N c. Rider block
    Y d. All of the above