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.


24: A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by __________.


90: You are on a multiple-product chemical tanker. The loading plan includes cargoes of diethylenetriamine and formamide. Which statement concerning the stowage of these cargoes is TRUE?


96: The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.


133: The standard unit of liquid volume used in the petroleum industry, as well as the tanker industry, is a __________.

    Y a. barrel
    N b. drum
    N c. gallon
    N d. liter

166: The distance gained in the direction of the original course when you are making a turn is known as __________.

    Y a. advance
    N b. drift
    N c. tactical diameter
    N d. transfer

249: Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by __________.

    N a. any certificated tankerman
    N b. the Master of the vessel
    N c. the officer of the watch
    Y d. the person designated as "person in charge"

339: Oil product samples should be taken from the __________.

    N a. dock riser
    N b. ship's cargo tanks
    N c. shore tank discharge
    Y d. All of the above

544: If the winch should fail while you are hauling in the anchor, what prevents the anchor cable from running out?

    N a. Chain stopper
    N b. Devil's claw
    N c. Hawse ratchet
    Y d. Riding pawl

657: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?

    N a. Companions and booby hatches
    N b. Open structures
    Y c. Spaces for the exclusive use of the officers or crew
    N d. Water ballast spaces

658: When carrying a full or nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships, the cargo in each hold should be trimmed so that the bulk of the cargo lies __________.

    N a. along the centerline
    N b. toward the forward bulkhead of the forward holds and toward the after bulkhead of the after holds
    Y c. toward the after bulkhead of the forward holds and the forward bulkhead of the after holds
    N d. toward the after bulkhead of all holds

675: An advantage of the modified Christmas Tree towing method is to __________.

    N a. increase the towing hawser's catenary and provide more spring
    Y b. reduce catenary, allow operation in shallower water, and to release one barge without breaking up the entire tow
    N c. enable one tug and its crew without any outside assistance to make up or break down the tow
    N d. provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills

741: A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?

    N a. American Consul
    Y b. Classification Society
    N c. Captain of the Port
    N d. Officer in Charge, Marine Inspection

918: Ten triangular piles of piping on the pier are to be loaded - each pile has a 20 foot base, is 15 feet high and 30 feet long. If the breadth of the hold is 60 feet and the piping is to be stowed fore and aft in a 30 foot space, how high will it stow?

    N a. 16.6 feet
    Y b. 25.0 feet
    N c. 50.0 feet
    N d. 75.0 feet

934: Which method is used to detect rot in manila lines?

    Y a. Opening the strands and examining the inner fibers
    N b. Measuring the reduction in circumference of the line
    N c. Observing for the appearance of mildew on the outer surface
    N d. Feeling the surface of the line for broken fibers

1006: Which action reduces the yawing of a vessel in a following sea?

    N a. Increasing GM
    N b. Pumping out tanks aft
    N c. Shifting weights to the bow
    Y d. Shifting weights to the stern

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.

1073: You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun's chair. The proper way to do this is to ride down the stay on a riding shackle __________.

    N a. with the pin of the shackle riding on the stay
    Y b. with the pin of the shackle through the chair's bridle eye
    N c. with a hook attaching the chair to the riding shackle
    N d. connected to a second shackle on the chair

1091: Which of the following statements concerning the rigging and use of bosun's chairs is TRUE?

    N a. When riding a stay, make sure that the bow of the shackle passes through the becket of the bridle.
    Y b. Always have the chair hoisted manually.
    N c. The lowering hitch should always be made before getting into the chair.
    N d. Always secure the gantline to the chair with a clove hitch.

1142: The hitch used to secure the standing part of a gantline to the horns of a stage is a __________.

    Y a. marlinespike hitch
    N b. clove hitch
    N c. blackwall hitch
    N d. Killick hitch

1161: The document that the Master uses to attest to the truth of the manifest of cargo is called __________.

    N a. Master's Protest
    Y b. Oath of Entry
    N c. Owner's Oath
    N d. Shipper's Certification

1164: Which type of line floats?

    N a. Dacron
    N b. Nylon
    N c. Old manila
    Y d. Polypropylene

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.

1360: What are reef points used for?

    Y a. Reduce the area of a sail
    N b. Keep the sail taut in light airs
    N c. Reduce the draft if the boat runs aground
    N d. Increase the strength of the mast

1436: How many feet are there in 2 shots of anchor chain?

    N a. 50
    N b. 60
    Y c. 180
    N d. 360

1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?

    N a. One shot of chain for every ten feet of water
    Y b. One shot of chain for every fifteen feet of water
    N c. One shot of chain for every thirty feet of water
    N d. One shot of chain for every ninety feet of water

1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?

    N a. One shot of chain for every ten feet of water
    Y b. One shot of chain for every fifteen feet of water
    N c. One shot of chain for every thirty feet of water
    N d. One shot of chain for every ninety feet of water

1589: Why is 6X19 class wire rope more commonly used for cargo runners than the more flexible 6X37 wire rope?

    Y a. It resists abrasion better.
    N b. It is longer.
    N c. It hugs the winch drum better.
    N d. It is less expensive.

1613: Which splice should you use in order to make a permanent loop in a line?

    N a. Back splice
    Y b. Eye splice
    N c. Long splice
    N d. Short splice

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

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

1694: A "whipping" is __________.

    N a. a messenger
    N b. a stopper for nylon line
    N c. a U-bolt for securing a cargo whip to the winch drum
    Y d. turns of twine around a rope end

1742: You should conduct a sector search under which of the following circumstances?

    Y a. The search target is sighted and then lost.
    N b. More than one vessel is available for a search.
    N c. The search object is a target that will be readily detected by radar.
    N d. An aircraft is available to assist a surface vessel.

1888: How many legs does the bridle for an ocean tow have?

    N a. One
    Y b. Two
    N c. Three
    N d. Four

1894: A load line is assigned by __________.

    N a. the U.S. Customs
    N b. the U.S. Department of Energy
    N c. the U.S. Army Corps of Engineers
    Y d. a recognized classification society approved by the U.S. Coast Guard

1919: The disadvantage of using three strand nylon line for towing is its __________.

    N a. inherent weakness
    N b. tendency to rot if left damp
    Y c. danger to crew if it parts
    N d. strength and shock absorbing abilities

1998: When towing in an open seaway, it is important to use a towing line __________.

    N a. made only of wire rope, due to possible weather conditions
    N b. that will have the tow on a crest while your vessel is in a trough
    Y c. that will have the tow on a crest while your vessel is on a crest
    N d. with little dip to gain maximum control of the tow

2022: In determining the scope of cable to be used when anchoring, what would NOT be considered?

    N a. Depth of the water
    N b. Character of the holding ground
    Y c. maintenance cost for the chain
    N d. Type of anchor cable

2188: The forecastle card is a(n) __________.

    N a. quarters allocation
    N b. Muster List ("Station Bill")
    N c. unlicensed shipping card from the union
    Y d. copy of the shipping agreement

2194: What is the mechanical advantage of tackle number 6? (DO29DG )

    Y a. 6
    N b. 5.5
    N c. 5
    N d. 3

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)

2266: Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is to __________.

    Y a. establish flooding boundaries and prevent further spread of flood water
    N b. plug the hole(s) in the outer shell
    N c. pump out the water inside the vessel
    N d. calculate the free surface effect and lost buoyancy to determine the vessel's stability

2398: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 4.5 feet and a length of 8 feet?

    N a. 1.82
    Y b. 3.64
    N c. 7.27
    N d. 14.54

2568: You are proceeding along the right bank of a narrow channel aboard a right-handed single-screw vessel. The vessel starts to sheer due to bank suction/cushion effect. You should __________.

    N a. stop engines and put the rudder left full
    N b. back full with rudder amidships
    N c. decrease speed and put the rudder right full
    Y d. increase speed and put the rudder right full

2624: The certificate of loading required by each vessel carrying grain in bulk is issued by the __________.

    N a. owner or charterer of the vessel
    N b. American Bureau of Shipping
    N c. shipper of the cargo
    Y d. National Cargo Bureau

2636: When riveted joints occur at the ends of plating they are called __________.

    N a. trailers
    N b. terminals
    N c. seams
    Y d. butts

2908: How should you signal the crane operator to use the whip line?

    N a. Extend arm with the thumb pointing up, and flex the fingers in and out for as long as the load movement is desired.
    Y b. First tap your elbow with one hand, and then proceed to use regular signals.
    N c. First tap the top of your head with your fist, and then proceed to use regular signals.
    N d. Use one hand to give any motion signal, and place the other hand motionless in front of the hand giving the motion signal.

2959: A metal ring on the bottom of a block, to which the standing part of a tackle is spliced, is known as a(n) __________.

    Y a. becket
    N b. loop
    N c. swivel
    N d. eye

2964: "Seiche" is defined as a(n) __________.

    N a. unusually strong storm system which approaches the Great Lakes System generally from the Northeast
    N b. lake current which is predominant during the spring and fall navigation season on the Great Lakes
    Y c. oscillation caused by the diminishing of forces which cause lake level fluctuations
    N d. higher than normal high water or lower than normal low water

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

3200: A license issued by the U.S. Coast Guard for apprentice mate (steersman) of Uninspected Towing Vessels is valid for __________.

    N a. 2 years and must be renewed
    N b. 3 years and must be renewed
    Y c. 5 years and must be renewed
    N d. None of the above

3262: Fracture damage to the end links of the anchor cable, or to the Jews' harp may be eliminated by __________.

    N a. using a small diameter connecting shackle
    N b. ensuring the swivel is well lubricated and free to turn
    N c. installing the connecting shackle with the bow towards the anchor
    Y d. securing a piece of wood to the Jews' harp

3325: Flammable liquids should have what kind of label?

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

3347: The opening in the deck beneath the anchor windlass that leads to the chain locker is the __________.

    N a. hawsepipe
    N b. fallpipe
    N c. drop-pipe
    Y d. spill pipe

3372: The lead of a tow bridle is usually redirected with a __________.

    N a. bollard
    Y b. chock
    N c. pad eye
    N d. devil's claw

4069: The horizontal fore-and-aft movement of a vessel is called __________.

    N a. yaw
    N b. sway
    N c. heave
    Y d. surge

4092: To reconnect a broken tow line, it is better to use a polypropylene messenger line because it __________.

    N a. has great strength
    N b. is very supple
    Y c. floats
    N d. absorbs shock by stretching

4101: Which of the following is a characteristic of a Ro-Ro vessel?

    N a. Passenger tours available upon docking
    N b. Long port stays necessary to secure vehicles
    Y c. Short in port turnaround times
    N d. Heavy vehicles only require lightweight securing equipment

4133: What is used when securing light vehicles aboard Ro-Ro vessels?

    N a. Chain lever or turnbuckle
    N b. Chain
    N c. Wire
    Y d. None of these

4171: While loading or discharging vehicles, which is the most important safety consideration aboard a Ro-Ro vessel?

    Y a. Preventing the asphyxiation of personnel below decks
    N b. Notifying the engine room prior to completing operations
    N c. Calling out the deck department for all hands periodically
    N d. Ensuring that a fuel barge cannot come alongside

4180: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?

    N a. Raise/open stern door, lower the stern ramp, turn on ventilation for cargo holds
    Y b. Lower the stern ramp, raise/open stern door, turn on ventilation for cargo holds
    N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open stern door
    N d. Turn on ventilation for cargo holds, raise/open stern door, lower the stern ramp

4391: A report of casualty to a vessel must include __________.

    N a. the estimated cost of damage
    N b. the amount of ballast on board
    Y c. the name of the owner or agent of the vessel
    N d. an evaluation of who was at fault