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 __________.


68: Odorous cargoes are those that __________.


123: When patching holes in the hull, pillows, bedding, and other soft materials can be used as __________.


128: Which is characteristic of a "special cargo"?

    N a. The cargo gives off toxic gases when heated.
    N b. Periodic inspection is required while in transit to prevent spoilage.
    Y c. It is of high value or easily pilferable.
    N d. It must be stowed on deck.

276: As a ship moves through the water, it causes a wake, which is also moving forward relative to the sea. In addition to a fore and aft motion, this wake also has a(n) __________.

    N a. downward and inward flow
    N b. downward and outward flow
    Y c. upward and inward flow
    N d. upward and outward flow

422: Which method should be used to secure a synthetic fiber line to two bitts?

    Y a. Two round turns on the bitt closest to the strain and then figure eights
    N b. Two round turns on the bitt farthest from the strain and then figure eights
    N c. Figure eights and then a round turn at the top of both bitts
    N d. Only figure eights are necessary on both bitts

431: Official proof of an American vessel's nationality is contained in the __________.

    N a. Certificate of Inspection
    N b. Official Log
    Y c. Certificate of Documentation
    N d. Shipping Articles

459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.

    Y a. a subsequent temperature rise will cause the cargo to overflow
    N b. air pockets may cause the cargo to bubble out of the ullage hole
    N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill
    N d. the tank valve may be stiff and a spill will occur before the valve can be closed

482: A lot of special cargo of similar cartons is to be loaded aboard your vessel. You examine one of the cartons of the lot shown. What is the total cubic space the consignment will occupy? (Assume no broken stowage.) (D042DG )

    N a. 51 cubic feet (1.5 cubic meters)
    Y b. 58 cubic feet (1.7 cubic meters)
    N c. 336 cubic feet (10 cubic meters)
    N d. 700 cubic feet (21 cubic meters)

509: Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker?

    Y a. Contamination of the cargo
    N b. Flash points
    N c. Reid vapor pressures
    N d. Specific gravities

609: While discharging a tanker, list can be controlled by __________.

    N a. shoreside personnel
    N b. using a center tank near the bow, discharging as necessary
    Y c. using wing tanks near the longitudinal center, discharging as necessary
    N d. using the after peak tank, loading as necessary

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

648: Bulk cargo refers to __________.

    N a. cargo which occupies a large volume of space
    N b. cargo which requires refrigeration
    N c. cargo which is very dense
    Y d. homogeneous cargo not enclosed in a container

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

738: How many board feet of dunnage are there in a draft 3 feet wide, 1-1/2 feet high, and 14 feet long?

    N a. 526
    Y b. 756
    N c. 876
    N d. 906

763: A vessel that tows astern must have a/an ___________ .

    N a. towing winch
    Y b. method to easily release the towline
    N c. oxy-acetylene cutting torch
    N d. ax or knife mounted near the towing bitts

813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .

    N a. offshore supply vessel over 200 gross tons
    N b. passenger vessel of 295 gross tons
    Y c. uninspected towing vessel of less than 200 gross tons
    N d. inspected towing vessel of 305 gross tons

1005: Which device is designed to automatically hold the load if power should fail to an electric winch?

    N a. Pneumatic brake
    Y b. Electromagnetic brake
    N c. Hand brake
    N d. Motor controller

1008: When anyone voluntarily deposits his/her license or document with a Coast Guard investigating officer __________.

    N a. he/she permanently gives up rights to the license or document
    Y b. it may be for reasons of mental or physical incompetence
    N c. it must be for reason of addiction to narcotics
    N d. All of the above

1068: You shall notify the nearest Coast Guard Marine Inspection Office as soon as possible when your vessel has been damaged in excess of __________.

    N a. $1,000
    N b. $1,500
    N c. $10,000
    Y d. $25,000

1121: What should be readily available on deck while seamen are working over the side on a stage?

    Y a. Rng buoy
    N b. Fire extinguisher
    N c. First aid kit
    N d. Stokes basket

1165: The Muster List ("Station Bill") shows each person's lifeboat station, duties during abandonment, basic instructions, and __________.

    Y a. all emergency signals
    N b. instructions for lowering the lifeboats
    N c. the time each weekly drill will be held
    N d. work schedule

1230: Which statement concerning solid floors is TRUE?

    N a. They must be watertight.
    Y b. They may have lightening, limber, or air holes cut into them.
    N c. They are built of structural frames connected by angle struts and stiffeners, with flanged plate brackets at each end.
    N d. They are lighter than open floors.

1247: You are on watch and the Pilot has the conn. The Master has temporarily gone below. The Pilot orders a course change which you are certain will put the vessel into imminent danger. Your first action should be to __________.

    Y a. countermand the order and immediately notify the Master
    N b. make an appropriate entry in the deck log concerning the Pilot's order
    N c. immediately call the Master and await further orders from him
    N d. immediately sound a short ring on the general alarm

1275: The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?

    N a. It will have no effect.
    N b. It will increase the holding power.
    Y c. It will reduce the holding power.
    N d. It will cause the anchor to snag.

1534: Which statement(s) is(are) TRUE concerning wire rope?

    Y a. Wire rope should be condemned if the outside wires are worn to one-half their original diameter.
    N b. Wire rope should be condemned if the fiber core appears moist.
    N c. Wire rope which is right-hand laid should be coiled counterclockwise to prevent kinking.
    N d. All of the above

1675: What is the name of the mark indicated by the letter D? (D003DG )

    Y a. Tropical load line
    N b. Summer load line
    N c. Fresh load line
    N d. Winter load line

1709: The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when __________.

    Y a. decelerating when lowering the load
    N b. decelerating when raising the load
    N c. lowering the load at constant speed
    N d. raising the load at constant speed

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°

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.

2011: The structural member indicated by the letter K is a __________. (D033DG )

    N a. longitudinal frame
    N b. stringer
    N c. girder
    Y d. floor

2046: The structural member indicated by the letter I is the __________. (D033DG )

    N a. garboard strake
    N b. center pillar
    Y c. keel
    N d. girder

2103: You are signing on the Purser. He should present a Merchant Mariner's document with which endorsement?

    Y a. See Certificate of Registry
    N b. Steward's Department
    N c. Purser
    N d. Staff Officer

2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.

    Y a. anchor may be dropped from the hawsepipe
    N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped
    N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered
    N d. scope should be less than 3 times the depth of the water

2147: What is the name of tackle number 8? (DO29DG )

    N a. Parbuckle
    Y b. Gun tackle
    N c. Single purchase
    N d. Single luff tackle

2180: The weight of the container and its contents is supported on deck by what part(s)?

    Y a. Four lower corner castings
    N b. Bottom, side, and end rails
    N c. Bottom flooring, side, and end rails
    N d. Bottom flooring only

2399: You are standing wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?

    N a. Obey the Pilot.
    N b. Bring the rudder to a position midway between the two conflicting positions.
    N c. Ask the Pilot if he relinquishes control.
    Y d. Obey the Master.

2459: Tripping defects in anchors frequently occur in __________.

    N a. deep water
    N b. shallow water
    N c. stiff soils
    Y d. soft soils

2524: Which entry on a dangerous cargo manifest concerning the classification of a cargo is NOT correct?

    N a. Class 8
    Y b. Division 3.1
    N c. Division 2.3
    N d. All of the above are incorrect

2550: When a small craft's anchor fouls in a rocky bottom, the first attempt to clear it should be made by __________.

    N a. hauling vertically on the line
    N b. making the line fast to the bitt and bringing the vessel further forward
    Y c. reversing the angle and direction of pull, with moderate scope
    N d. increasing the scope and running slowly in a wide circle with the anchor line taut

2559: A vessel in Great Lakes service shall carry anchors in accordance with standards established by the __________.

    Y a. American Bureau of Shipping
    N b. Canadian Coast Guard
    N c. U.S. Coast Guard
    N d. underwriter of the vessel

2574: You are proceeding down a channel and lose the engine(s). You must use the anchors to stop the ship. Which statement is true?

    N a. Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold.
    N b. For a mud, mud and clay, or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake.
    Y c. Use one or both anchors with a scope of twice the depth before setting the brake.
    N d. Drop the anchor to short stay and hold that scope.

2848: Nautical charts published by the Canadian Hydrographic service which are referenced in the United States Coast Pilot are identified by __________.

    N a. the abbreviation "can" preceding the chart number
    N b. the letter "C" in parentheses following the chart number
    Y c. an asterisk preceding the chart number
    N d. a footnote number

2860: How are riveted lap joints made watertight?

    N a. The faying surfaces are coated with white lead (or similar product) before the rivets are set.
    N b. A sealing weld bead of 1/8" or less pitch is run along the plate edge.
    Y c. The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate.
    N d. A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets.

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.

3081: A seaman is entitled by law to a release from Foreign Articles when __________.

    N a. intoxicated
    N b. deductions are made from wages
    N c. injured
    Y d. the vessel is overloaded

3138: When pushing ahead, wires leading from the quarters of the after outboard barges to the bow of a towboat __________.

    N a. prevent the towboat from sliding when the rudder is moved
    Y b. prevent the barges from spreading out when backing down
    N c. hold the towboat securely to the barges
    N d. prevent the sidewise movement of the face barges

3219: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.

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

3392: What term indicates the midships portion of a vessel that has a constant cross section?

    N a. Half length
    N b. Amidships
    Y c. Middle body
    N d. Molded length

3432: A vessel is wind rode when it is __________.

    Y a. at anchor and heading into the wind
    N b. backing into the wind
    N c. carrying lee rudder
    N d. necessary to apply a leeway correction to the course

3466: What is a spill pipe?

    N a. A drainage pipe that carries rain or spray from an upper deck to a lower deck
    Y b. A pipe under the anchor windlass leading to the chain locker
    N c. A chute, usually over the stern, to lead dumped garbage clear of the hull
    N d. An opening in the deck leading outside the hull

3560: What should look-outs report?

    N a. Discolored water
    N b. Shoals
    N c. Floating objects
    Y d. All of the above

3599: What term indicates the outward curvature of the hull above the waterline?

    N a. sheer
    N b. tumble home
    N c. deadrise
    Y d. flare

3632: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?

    Y a. The thrust on the boom is greater at 60°.
    N b. The stress on the topping lift is greater at 60°.
    N c. The stress on the heel block is less at 20°.
    N d. The stress on the head block is less at 60°.

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

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

4016: Which statement is TRUE concerning weather conditions on the Great Lakes?

    N a. When a vessel is south of an eastward-moving storm center, the approach of the low is evidenced by winds from the north to northeast.
    Y b. When a vessel is north of an eastward-moving storm center, changes in the weather are less distinctive than when sailing south of the center.
    N c. The most destructive storms usually come from the northwest or north.
    N d. Thunderstorms are most likely to develop from November through April.

4044: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 500 yards and your vessel's LOA is 484 feet. If you anchor in 8 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?

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

4145: Which tensioning device is used with webbing to secure light vehicles aboard Ro-Ro vessels?

    N a. Chain lever
    N b. Turnbuckle
    N c. Adjust-a-matic tensioner
    Y d. Ratchet tensioner

4152: Which of the following statement(s) is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?

    N a. It is imperative that the securing of cargo on flats and trailers and in containers be adequate for both road and sea motions.
    N b. The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea.
    N c. It is necessary for adequate number and strength of securing points on the vehicles themselves in order that lashings may be properly and safely utilized.
    Y d. All the above

4223: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Boom luffing falls
    Y b. Cargo hoist falls
    N c. Remote block tagline system
    N d. Slewing cable