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.


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


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


109: What is meant by "thieving" a petroleum cargo?


207: A towing vessel's capability is BEST measured by horsepower, maneuverability, displacement, and __________.

    N a. stability
    N b. propeller design
    Y c. bollard pull
    N d. towing winch horsepower

306: You are aboard a single-screw vessel with a right-handed propeller. The vessel is dead in the water and the rudder is amidships. If you reverse your engine you would expect your vessel to __________.

    Y a. kick its stern to port
    N b. kick its stern to starboard
    N c. move astern without swinging
    N d. swing its stern to starboard, then to port

372: Keeping the draft at or below the load line mark will insure that the vessel has adequate __________.

    N a. ballast
    Y b. reserve buoyancy
    N c. displacement
    N d. rolling periods

518: Which factor is MOST important in preventing sweat damage within a cargo hold?

    Y a. Dew point of the cargo hold
    N b. Dew point of the outside atmosphere
    N c. Outside air temperature
    N d. Temperature of the cargo

552: Which type of bridle is the most effective for a heavy ocean tow?

    N a. Nylon because of its strength
    N b. Polypropylene because it floats and is easier to handle
    Y c. Stud link anchor chain for chafe resistance and strength
    N d. Wire rope for flexibility and strength

571: You are in port A in the United States, and your Certificate of Inspection has expired. You wish to go to port B in the United States for repairs and to complete the inspection. If the Officer-in-Charge Marine Inspection deems it safe, he may issue a __________.

    N a. Certificate of Seaworthiness
    N b. Limited Certificate of Inspection
    N c. Temporary Certificate of Inspection
    Y d. Permit to Proceed

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

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

633: A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when __________.

    Y a. directly astern and pushing the tow
    N b. towing on a hawser
    N c. towing alongside and parallel to the vessel it is towing
    N d. towing on the hip

810: In nautical terminology a "dog" is a __________.

    N a. crow bar
    Y b. device to force a water tight door against the frame
    N c. heavy steel beam
    N d. wedge

864: During the manufacture of line, yarns are twisted together in the __________.

    Y a. opposite direction from which the fibers are twisted together to form strands
    N b. same direction the fibers are twisted to form strands
    N c. opposite direction from which the fibers are twisted together to form the line
    N d. opposite direction from which the fibers are twisted together forming cables

882: The owner or Master of a towing vessel that tows astern must keep records of the towline(s) that include all of the following information EXCEPT _____________ .

    N a. the towline's initial minimum breaking strength as determined by the manufacturer
    Y b. an invoice showing the cost of the towline
    N c. the towline's nautical miles of use or time in service
    N d. the history of loading of the towline

913: When commencing cargo operations on a container ship, one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ____________.

    N a. remove an existing list that would slow down cargo operations
    Y b. initiate loading in conjunction with unloading at the hatch
    N c. improve stability during cargo operations
    N d. allow longshoremen easy access to the hatch

972: The "rudder adjustment" control on an autopilot steering stand is used to __________.

    N a. align the rudder angle indicator with the true rudder angle
    Y b. set the number of degrees of rudder per degree of course error
    N c. set the departure from base course before actuating the rudder
    N d. set the rate at which the rudder responds

985: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.

    N a. call the engineroom and report that you have lost steering
    N b. signal the engineroom to stop the engines
    Y c. shift the selector switch to the other steering system
    N d. call the Master

994: Manila lines in which the strands are right-hand laid __________.

    Y a. should be coiled in a clockwise direction
    N b. should be coiled in a counterclockwise direction
    N c. may be coiled either clockwise or counterclockwise
    N d. should never be coiled

1000: The "Mode" selector switch can be positioned and select all of the following EXCEPT __________.

    Y a. weather adjustments
    N b. hand-electric steering
    N c. automatic gyro
    N d. non-followup control

1036: What is meant by the term "broaching to"?

    N a. Having the vessel head toward the sea
    N b. Running before a sea
    Y c. Being turned broadside to the sea
    N d. Having the vessel filled with water

1036: What is meant by the term "broaching to"?

    N a. Having the vessel head toward the sea
    N b. Running before a sea
    Y c. Being turned broadside to the sea
    N d. Having the vessel filled with water

1050: The "margin plate" is the __________.

    Y a. outboard strake of plating on each side of an inner bottom
    N b. outer strake of plating on each side of the main deck of a vessel
    N c. plate which sits atop the center vertical keel
    N d. uppermost continuous strake of plating on the shell of a vessel

1115: The proper way to correct a mistake in the logbook is to __________.

    N a. draw several lines through the entry, rewrite, and initial the correction
    Y b. draw a line through the entry, rewrite, and initial the correction
    N c. completely black out the entry, rewrite, and initial the correction
    N d. erase the entry and rewrite

1135: What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel?

    N a. Jacob's ladder
    N b. Manropes
    N c. Heaving lines
    Y d. All of the above

1159: Which product is most likely to accumulate static electricity?

    N a. Crude oil
    N b. Hard asphalt
    Y c. Lubricating oil
    N d. Residual fuel oil

1200: Your vessel's operators send a message that your vessel has been consigned to Voluntary Naval Control of Shipping. The message will refer you to __________.

    N a. the Light List
    N b. the International Code of Signals (PUB 102)
    Y c. Radio Aids to Navigation (PUB 117)
    N d. the Coast Pilot

1232: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.

    N a. check that the wheel is firmly connected to the shaft
    N b. signal the engineroom to "Standby the Engines"
    N c. set the "Mode" switch to "Auto" and steer by auto-pilot
    Y d. switch to the other steering pump

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

1380: The deck beam brackets of a transversely framed vessel resist __________.

    N a. hogging stresses
    N b. sagging stresses
    Y c. racking stresses
    N d. shearing stresses

1400: The half-breadth plan is __________.

    N a. an endwise view of the ship's molded form
    N b. a plan with the forebody to right of centerline and afterbody to the left of centerline
    N c. a longitudinal side elevation
    Y d. usually drawn for the port side only

1439: Which part provides for transverse control and positioning of a boom in a conventional yard and stay system?

    Y a. Guy
    N b. Shroud
    N c. Spider
    N d. Topping lift

1519: When snaking cargo into the wing of a hold with the cargo winch, the runner should be lead from the __________.

    N a. head block to a snatch block
    Y b. heel block to a snatch block
    N c. lizard to a snatch block
    N d. winch to a snatch block

1617: Using the graph in illustration D008DG, if the dry bulb temperature is 84°, and the wet bulb temperature is 81°, what is the relative humidity in a cargo hold? (D008DG )

    N a. 71%
    N b. 79%
    N c. 81%
    Y d. 87%

1686: When weighing anchor in a rough sea, how would you avoid risk of damaging the bow plating?

    N a. Heave it home as fast as you can.
    N b. Heave it home intermittently, between swells.
    Y c. Leave the anchor under foot, until the vessel may be brought before the sea.
    N d. Wait for a calm spot between seas, then house it.

1738: Which vessel is required by regulations to have an Official Logbook?

    Y a. A 100-gross ton tug on a trip between Baltimore, Maryland, and San Pedro, California.
    N b. A 199-gross ton tug on a coastwise trip of 610 miles.
    N c. A 66-gross ton tug operating between states.
    N d. All of the above

1750: A grapnel is a __________.

    N a. device for securing a chain topping lift
    N b. hook to prevent the anchor cable from slipping
    Y c. device used to drag for a submerged cable or line
    N d. type of clam bucket used for discharging bulk cargo

1762: What is the perimeter of a circle with a radius of 2.5 feet?

    N a. 7.86 ft
    Y b. 15.71 ft
    N c. 19.63 ft
    N d. 22.71 ft

1775: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2224 on it. This indicates that it is carrying what cargo?

    N a. Hexanol
    N b. Acrylic acid
    Y c. Benzonitrile
    N d. Propadiene, inhibited

1802: Which picture represents a bowline? (DO30DG )

    N a. G
    N b. H
    N c. L
    Y d. Q

1822: What is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?

    N a. Dangerous wakes may result from the swinging barge and capsize the tug.
    N b. The barge may swing too quickly and run over the tug.
    N c. Free surface effect of liquid inside the barge may rupture the barge bulkheads if the turn is too quick.
    Y d. The barge may pass under the hawser and capsize the tug.

1845: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?

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

1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?

    N a. 50 lbs.
    Y b. 100 lbs.
    N c. 150 lbs.
    N d. 200 lbs.

2043: A mooring line that prevents a vessel from moving sideways away from the dock is a __________.

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

2141: You are Master of a vessel that is sold in a foreign country after discharge of cargo. What is your responsibility to the crew in regards to return to the United States?

    N a. You must provide air transportation to the nearest port of entry in the United States.
    Y b. You must provide passage to the port of original engagement.
    N c. There is no requirement for return to the United States provided the voyage has exceeded 4 weeks duration.
    N d. The crew can be employed on another United States vessel, but only if it is returning to the port of original engagement.

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.

2191: A wooden deck installed on top of the plating lettered N is known as __________. (D033DG )

    N a. spar decking
    N b. furring
    Y c. ceiling
    N d. flooring

2204: While writing in the logbook at the end of your watch, you make an error in writing an entry. What is the proper way of correcting this error?

    N a. Blot out the error completely and rewrite the entry correctly.
    N b. Carefully and neatly erase the entry and rewrite it correctly.
    Y c. Cross out the error with a single line, write the correct entry, and initial it.
    N d. Remove this page of the log book and rewrite all entries on a clean page.

2259: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? (D035DG )

    N a. 490 yards
    N b. 350 yards
    Y c. 800 yards
    N d. 885 yards

2360: Splices made in nylon should __________.

    N a. be long splices only
    Y b. have extra tucks taken
    N c. be short splices only
    N d. be around a thimble

2569: When discharging an oil cargo, the first consideration is to __________.

    Y a. get the bow up
    N b. discharge from the wings first
    N c. discharge from the centerline tanks first
    N d. discharge from amidships first

3069: Atmospheres laden with coal dust or grain dust caused by loading these cargoes __________.

    N a. require loading operations to be shut down until the atmosphere clears
    N b. are toxic to human life
    N c. are subject to spontaneous combustion
    Y d. may be explosive in some concentrations

3134: When using two tugs to assist in mooring a large, deeply laden ship, the most powerful tug is usually placed __________.

    Y a. forward to control the bow
    N b. amidships to move the entire vessel evenly
    N c. aft to assist the ship's rudder and propeller
    N d. anywhere, since the maneuverability of the tug governs the placement not the power

3291: The riding pawl is __________.

    N a. a safety interlock in a cargo winch that prevents the runner from overspeeding
    Y b. a stopper that prevents the anchor cable from running free if the cable jumps the wildcat
    N c. the device that locks the deck lashings of the Peck and Hale system
    N d. the lug that rides on the eccentric rib and engages the locking ring on the windlass

3300: You are heading into the sea during rough weather. Having too much weight forward can cause your small boat to __________.

    N a. broach
    Y b. plunge into the wave
    N c. rise rapidly over the wave
    N d. list

3442: The part of the anchor indicated by the letter J is the __________. (D038DG )

    N a. crown
    N b. shank
    Y c. bill
    N d. tip

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

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

4108: Any vehicle to be loaded aboard a Ro-Ro vessel must __________.

    N a. weigh less than 22 tons
    Y b. be provided with an effective braking system
    N c. have securing points with each aperture capable of accepting more than one lashing
    N d. All of the above

4157: Which of the following element(s) should be taken into account in the preparation of the "Cargo Securing Manual"?

    N a. Duration of the voyage
    N b. Types of cargo units and vehicles to be carried
    N c. Weight of cargo units and vehicles
    Y d. All of the above

4205: Which piece of equipment is required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?

    N a. Portable power swivel
    Y b. Equalizing beam
    N c. 20-foot container spreader
    N d. 40-foot container spreader

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