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.


34: Your vessel has been loaded in a sagging condition. Enroute you encounter heavy weather and notice buckling in the midships deck plating of your vessel. To relieve the strain you could __________.


42: The vapor pressure of a substance __________.


203: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?


330: You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.

    N a. in the radio room
    N b. in the ship's office
    Y c. on or near the bridge
    N d. outside the Captain's stateroom

356: It is possible, and sometimes necessary, to strengthen the deck of a vessel for carriage of deck cargo by __________.

    N a. placing bunker on the deck
    N b. building a stage on which to place the cargo
    N c. welding steel "feet" to the deck, on which the cargo is placed
    Y d. erecting vertical pillars under the deck to support the cargo

481: Which U.S. agency assigns an official number to a vessel?

    N a. American Bureau of Shipping
    N b. Collector of Customs
    N c. Treasury Department
    Y d. Coast Guard

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

611: The Certificate of Inspection for a containership __________.

    Y a. is issued by the Coast Guard and is usually valid for 2 years
    N b. must be posted under transparent material near the officers' licenses
    N c. lists all of the stability limitations and conditions imposed on the vessel
    N d. shows the due date of the quadrennial test of the cargo gear

705: A tug may be in danger of tripping when __________.

    N a. towed sideways by an overwhelming force on the towline
    N b. her tow moves parallel to and forward on either side of the tug
    N c. the tow is no longer directly astern but moves up on her quarter
    Y d. All of the above

811: When oily ballast has been pumped overboard, an entry must be made in the __________.

    Y a. Oil Record Book
    N b. Official Logbook
    N c. deck rough log
    N d. engine rough log

852: How can the Coast Guard determine that a crew member is "able to understand any order spoken by the officers"?

    Y a. Require a demonstration by the officer and the crew member
    N b. Require a written test
    N c. Require that an interpreter be provided
    N d. All of the above

863: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?

    N a. Damage to property amounting to $12,500
    Y b. Accidental stranding or grounding
    N c. Loss of bridge-to-bridge radio capability
    N d. An injury requiring first aid treatment

922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?

    N a. Shut down the cargo hold ventilation.
    N b. Sound the fire alarm signal to rouse out all hands.
    N c. Call the Master.
    Y d. Proceed to the space and inspect the extent of the fire.

945: After having been pulled aloft in a bosun's chair on a mast, you must now make yourself fast in the chair prior to painting the mast. You should first __________.

    N a. have the sailor on deck make the hauling part fast to a cleat on the mast
    N b. make the tail of the line leading from the becket bend fast to a padeye on the mast
    Y c. seize the hauling part and the standing part firmly in one hand to support your weight
    N d. frap yourself to the mast to take the strain off the hauling part

1004: Uncoiling manila line improperly can result in a(n) __________.

    N a. number of fishhooks
    Y b. kink in the line
    N c. 50% loss of efficiency of the line
    N d. increase in deterioration of the line

1039: When cleaning cargo tanks with portable machines, how is the machine grounded?

    N a. Bonding wires are secured from the machine to a convenient location on deck.
    N b. The machines must maintain physical contact with the deck at the Butterworth opening.
    Y c. The water supply hoses contain internal wires that act as conductors
    N d. The water jets impinging on the vessel's structure form a pathway to ground.

1049: You have water washed your cargo tanks using the fixed machines. What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members?

    Y a. Ventilate the tank to eliminate any electrostatically charged mist.
    N b. Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank.
    N c. Insure that the tanks are not stripped until the final wash is started.
    N d. Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head.

1150: In ship construction, frame spacing is __________.

    N a. greater at the bow and stern
    Y b. reduced at the bow and stern
    N c. uniform over the length of the vessel
    N d. uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses

1188: An implied warranty of seaworthiness on the part of the vessel's owner lies in the __________.

    N a. Cargo Manifest
    N b. Certificate of Inspection
    N c. Classification Certificate
    Y d. contract of carriage, i.e. Bill of Lading

1235: You are on watch entering port while the pilot has the conn. The pilot gives a steering command to the helmsman who partially repeats the command. You should immediately __________.

    Y a. repeat the Pilot's command and ensure that the helmsman repeats it completely
    N b. ask the Pilot to repeat the command since the helmsman failed to hear it completely
    N c. observe the helmsman's wheel action to be sure that it complies with the Pilot's command
    N d. ignore the helmsman's response as long as it was close to what the Pilot ordered

1376: Generally speaking, the most favorable bottom for anchoring is __________.

    N a. very soft mud
    N b. rocky
    Y c. a mixture of mud and clay
    N d. loose sand

1527: A 30,000 DWT tankship is required to have an IOPP certificate when __________.

    N a. engaged in the coastwise trade
    N b. going foreign
    Y c. calling at ports in another country signatory to MARPOL 73/78
    N d. carrying cargoes listed in the MARPOL regulations

1650: To reduce the number of strakes at the bow, two strakes are tapered and joined at their ends by a single plate. This plate is known as a __________.

    N a. cover plate
    N b. joiner
    N c. lap strake
    Y d. stealer plate

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

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

1683: "Herringbone" is a term associated with __________.

    N a. anchoring
    N b. mooring
    Y c. sewing
    N d. splicing

1743: A mooring line leading at nearly right angles to the keel is a __________.

    N a. bow line
    Y b. breast line
    N c. spring line
    N d. stern line

1790: Which space(s) is(are) exempt when measuring gross tonnage?

    N a. Auxiliary machinery spaces above the uppermost continuous deck
    N b. Steering gear room
    N c. Part of the wheelhouse used to control vessel
    Y d. All of the above

1796: Which safety check(s) should be made before letting go the anchor?

    N a. See that the anchor is clear of obstructions.
    N b. See that the chain is all clear.
    N c. See that the wildcat is disengaged.
    Y d. All of the above

1881: In time of war Naval Control of Shipping Authorities may give orders concerning the __________.

    N a. cargo to be loaded
    N b. final destination
    Y c. ship's route
    N d. All of the above

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

1982: You are using tackle number 8 to lift a weight of 100 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. 120 lbs.
    N b. 55 lbs.
    Y c. 40 lbs.
    N d. 37 lbs.

1991: Using the graph shown, if the dry bulb temperature is 91°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )

    N a. 79%
    Y b. 85%
    N c. 91%
    N d. 98%

2067: What is the mechanical advantage, neglecting friction, of tackle number 12? (DO29DG )

    N a. 3
    N b. 5.5
    N c. 6
    Y d. 7

2089: In addition to the load lines indicated in illustration D003DG, some vessels have a Winter North Atlantic line. Which statement about this load line mark is TRUE?

    N a. It is carried on VLCC/ULCC type vessels and allows reduced freeboard considering their size.
    N b. It is marked above line B in the diagram.
    N c. It is applied to vessels on restricted trade routes between the United Kingdom, Iceland, and Northern European countries.
    Y d. It applies only to vessels not exceeding 328 ft. navigating in the Winter North Atlantic zones.

2162: A crew has signed on for a 3-month voyage. Fourteen days into the voyage a seaman is improperly discharged at the first port of call. How much pay is he entitled to receive?

    N a. 14 days
    N b. 1 month's
    Y c. 14 days and one month's extra
    N d. double wages (28 days)

2186: What is the mechanical advantage of tackle number 7? (DO29DG )

    N a. 0
    N b. 0.5
    N c. 1
    Y d. 2

2290: The sprocket teeth on a wildcat are known as the __________.

    N a. pawls
    N b. devil's claws
    Y c. whelps
    N d. pockets

2366: To "shore up" the main deck for the stowage of deck cargo means to __________.

    N a. weld pad eyes on deck in proper position to secure the cargo
    Y b. strengthen the main deck by placing pillars underneath it in the tween-decks
    N c. distribute the weight of the cargo by placing fore-and-aft planks on the main deck
    N d. package the cargo in wooden crates so it will not damage the deck

2453: On a ship's crane, the load chart relates the allowable load to the combination of the boom length and __________.

    N a. winch speed
    N b. boom strength
    Y c. load radius
    N d. cable strength

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

2708: Which statement is TRUE with respect to the load line markings shown. (D031DG )

    Y a. A vessel displaying these marks may load in the salt waters of the St. Lawrence River.
    N b. Vessels engaged solely on Great Lakes voyages are not required to show these marks.
    N c. U.S. flag vessels less than 100 feet in length and less than 200 gross tons are not required to show these marks.
    N d. U.S. flag vessels of 100 gross tons and upward must show these marks.

2738: Assume that your vessel has just entered Lake Michigan via the Straits of Mackinac and is proceeding south to Chicago. Which statement is TRUE with respect to the aids to navigation you will encounter along this route?

    N a. Aids to navigation are serviced jointly by the U.S. and Canadian Coast Guard.
    Y b. Red buoys should be passed down your starboard side.
    N c. Green buoys mark the location of wrecks or obstructions which must be passed by keeping the buoy on the right hand.
    N d. All solid colored buoys are numbered, the red buoys bearing odd numbers and green buoys bearing even numbers.

2809: The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a __________.

    N a. suction end
    N b. strainer
    Y c. bell-mouth
    N d. vacuum valve

2842: By definition, a "spar deck" is the __________.

    N a. lower most continuous deck not broken by water tight bulkheads
    N b. after most weather deck above the main strength deck
    Y c. upper or weather deck above the main strength deck
    N d. deck of light construction below the main or strength deck

2898: What is the period of validity of the SOLAS required Cargo Ship Safety Construction Certificate?

    N a. 12 months
    N b. 24 months
    N c. 48 months
    Y d. 60 months

2977: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?

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

3067: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.

    N a. face wire
    N b. cross wire
    Y c. scissor wire
    N d. breast wire

3112: A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is __________.

    N a. from the ship's propeller when making up aft
    N b. from being overrun if making up forward
    N c. hull damage while alongside passing a hawser
    Y d. getting in a tripping position

3124: You attach a line to a stationary barge lying off your starboard beam in order to maneuver it into position to make up tow. The line used to do this is a __________.

    N a. jockey line
    N b. fore and aft line
    N c. check line
    Y d. swing line

3176: The part of the anchor indicated by the letter G is the __________. (D038DG )

    N a. fluke
    N b. shank
    Y c. tripping palm
    N d. crown

3288: The angular movement of a vessel about a horizontal line drawn from its bow to its stern is __________.

    N a. pitching
    Y b. rolling
    N c. heaving
    N d. swaying

3325: Flammable liquids should have what kind of label?

    N a. Skull and crossbones
    N b. Yellow
    Y c. Red
    N d. White

3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.

    N a. extend the boom
    N b. lower the boom
    Y c. retract the boom
    N d. hoist the boom

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

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

3938: With a given load on the cargo hook, tension in a single span topping lift __________.

    N a. increases as the boom's angle to the horizontal increases
    N b. is at a maximum when the boom is at a 45° angle to the horizontal
    Y c. increases as the boom's angle to the horizontal decreases
    N d. decreases as the boom's angle to the horizontal decreases

4012: The purpose of item G is to __________. (D024DG )

    N a. distribute the vessel's thrust over a wider area
    N b. prevent the towboat from capsizing if item I should part
    Y c. prevent the knee from shifting when the rudder is put hard over
    N d. keep the barges from shifting fore and aft

4158: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?

    N a. Weight of cargo units and vehicles
    N b. Types of cargo units and vehicles to be carried
    N c. Dynamic forces under adverse weather conditions
    Y d. All of the above

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

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

4241: What should be given, as a minimum, to personnel who are involved in crane cargo handling?

    Y a. Protective head gear, gloves, and steel-toed safety shoes
    N b. A survival suit for work on the stern or side port
    N c. A life preserver for going aloft to work on the crane
    N d. All of the above