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 __________.


42: The vapor pressure of a substance __________.


47: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?


48: Which term describes goods having a stowage factor below 40?

    Y a. "Deadweight" cargo
    N b. "Full-and-down" cargo
    N c. "Heavy-lift" cargo
    N d. "Measurement" cargo

127: In illustration D044DG, the mooring line labeled "C" is called a __________. (DO44DG )

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

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.

143: Why are most break bulk vessels built with the transverse framing system rather than the longitudinal system?

    N a. The transverse system is more resistant to hog and sag stresses.
    N b. The numerous longitudinal frames cause excessive broken stowage.
    N c. The transverse system provides better support to the varying cargo densities on a break bulk vessel.
    Y d. The deep web frames interfere with the stowage of break bulk cargo.

268: When a deck cargo is secured with chain or wire lashings and grab (pear) links, which statement is FALSE?

    Y a. The amount of take-up is limited by the length of the turnbuckle.
    N b. At the grab (pear) link, the slack end of chain should be led back and secured to the chain above the link.
    N c. The lashings should be inspected each day and any slack taken up.
    N d. The turnbuckle should be secured with a stick or lock nuts.

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

524: The purpose of the stripping bar on an anchor windlass is to __________.

    N a. clean off any mud that may have accumulated on the chain
    N b. engage or disengage the wildcat
    N c. fairlead the chain from the hawsepipe to the wildcat
    Y d. prevent the chain from fouling the wildcat

583: Which factor(s) must you consider when making up a towing bridle?

    N a. The horsepower of the tug
    N b. The desired amount of swing in the tow hook up
    N c. The weight of the tow
    Y d. All of the above

638: Ship's officers should check every cargo compartment after it is filled with bulk grain to ensure __________.

    N a. all lighting circuits are energized
    Y b. all void spaces are filled
    N c. the correct grade of cargo has been loaded
    N d. the heavier grade is in the lower hold

676: Conditions for crossing a rough bar are usually best at __________.

    N a. low water slack
    Y b. high water slack
    N c. high water ebb
    N d. high water flood

696: A vessel traveling down a narrow channel, especially if the draft is nearly equal to the depth of the water, may set off the nearer side. This effect is known as __________.

    N a. smelling the bottom
    N b. squatting
    N c. bank suction
    Y d. bank cushion

732: Which action should be taken FIRST if your tow is sinking in shallow water?

    Y a. Pay out the towline until the sunken tow reaches bottom.
    N b. Sever the towline.
    N c. Immediately head for the nearest shoreline.
    N d. Contact the Coast Guard.

798: How many cubic feet of space is required to stow 775 tons of a cargo with a stowage factor of 25? (estimated broken stowage is 15%)

    N a. 12,916
    Y b. 22,794
    N c. 25,833
    N d. 29,397

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

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

894: When taking a length of new manila rope from the coil, you should __________.

    N a. mount the coil so it will turn like a spool and unreel from the outside
    N b. roll the coil along the deck and allow the rope to fall off the coil
    Y c. lay the coil on end with the inside end down, then pull the inside end up through the middle of the coil
    N d. lay the coil on end with the inside end up then unwind the rope from the outside of the coil

919: A deepwell pump is a type of __________.

    N a. screw pump
    Y b. centrifugal pump
    N c. eductor
    N d. gear pump

960: Gross tonnage indicates the vessel's __________.

    N a. displacement in metric tons
    N b. total weight including cargo
    Y c. volume in cubic feet
    N d. draft in feet

1088: As Master or person in charge, you must notify the U.S. Coast Guard if an injury leaves a crewman unfit to perform routine duties for more than __________.

    N a. 24 hours
    N b. 48 hours
    N c. 72 hours
    Y d. Any amount of time

1176: You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped over the ground?

    N a. The ship's log reads zero
    N b. The backwash of the propeller reaches amidships
    Y c. An azimuth bearing on the beam remains steady
    N d. All of the above

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

1492: Which of the pictures in illustration DO30DG represents a fisherman's bend? (DO30DG )

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

1493: The knot used to join two lines of different diameter is a __________.

    N a. square knot
    N b. carrick bend
    Y c. becket bend
    N d. sheepshank

1508: While towing, sudden shock-loading caused during heavy weather can be reduced by __________.

    N a. using a short tow hawser
    N b. using a nonelastic type hawser
    Y c. using a heavier hawser
    N d. decreasing the catenary in the hawser

1603: Which weakens a line the LEAST?

    N a. Clove hitch
    N b. Long splice
    Y c. Short splice
    N d. Square knot

1609: For vessels fitted with cargo gear, an initial test of the units under a proof load shall be conducted. Subsequent tests and exams of the same nature shall be carried out at what time interval?

    N a. 1 year
    N b. 3 years
    N c. 4 years
    Y d. 5 years

1633: The strongest way to join the ends of two ropes is with a __________.

    N a. back splice
    Y b. short splice
    N c. square knot
    N d. carrick bend

1749: A sling is rigged on a piece of pipe weighing 1000 lbs. The angle between the sling legs is 140° and the legs are of equal length. What stress is exerted on each sling leg when the pipe is lifted?

    N a. 1318 lbs.
    N b. 1366 lbs.
    N c. 1414 lbs.
    Y d. 1462 lbs.

1878: When being towed, a fairlead is a __________.

    Y a. fabricated shape used to change the direction of a flexible member of the tow hookup
    N b. fabricated shape used to secure the tow hookup to the towed vessel
    N c. line connecting the fishplate to the bridle legs
    N d. line connecting the tow bridle to the towed vessel

1880: You are using tackle number 11 in illustration DO29DG to lift a weight of 300 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 )

    Y a. 75 lbs.
    N b. 90 lbs.
    N c. 110 lbs.
    N d. 117 lbs.

2056: A seaman may not make an allotment to his __________.

    N a. minor children
    N b. grandparents
    N c. brother
    Y d. mother-in-law

2146: You are on a single-screw vessel with a right-handed propeller. The vessel is going full speed astern with full right rudder. The bow will swing __________.

    N a. quickly to port, then more slowly to port
    Y b. probably to port
    N c. slowly to port, then quickly to starboard
    N d. probably to starboard

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

2263: You are using tackle number 1 in illustration DO29DG 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. 50 lbs.
    N b. 55 lbs.
    N c. 100 lbs.
    Y d. 110 lbs.

2283: What is the area of a circle with a radius of 2 feet after a sector of 86° has been removed?

    N a. 2.39 sq. ft
    N b. 3.02 sq. ft
    Y c. 9.55 sq. ft
    N d. 12.57 sq. ft

2492: When a tug makes up to a large vessel, the spring line should lead from the forwardmost part of the tug so that __________.

    N a. friction on the spring line is minimized
    N b. the length of the spring line is minimized
    N c. the head line and spring line can be worked simultaneously
    Y d. the tug can pivot freely

2552: When using a Mediterranean Moor, the vessel is moored with her __________.

    N a. bow to the pier
    N b. anchors crossed
    N c. anchor chains forward, side to the pier
    Y d. stern to the pier

2734: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability book to determine the hogging numeral. (Get Table Data)

    N a. 98.23 numeral
    Y b. 95.70 numeral
    N c. 84.46 numeral
    N d. 81.37 numeral

2772: The Coordinator Surface Search (CSS) in a SAR situation should display by night __________.

    N a. deck lights forward and aft
    N b. a white light over two red lights
    N c. a red light, white light, and blue light in a vertical line
    Y d. a distinctive signal promulgated by the CSS

2784: Which of the Great Lakes generally has the shortest navigation season?

    N a. Lake Erie
    N b. Lake Huron
    N c. Lake Michigan
    Y d. Lake Superior

2814: Your vessel is crossing a river on the Great Lakes System. A power-driven vessel is ascending the river, crossing your course from port to starboard. Which statement is TRUE?

    Y a. The vessel ascending the river has the right of way.
    N b. Your vessel has the right of way, but you are directed not to impede the other vessel.
    N c. The other vessel must hold as necessary to allow you to pass.
    N d. You are required to propose the manner of passage.

2909: A mechanical davit is designed to automatically __________.

    N a. position the boat at the embarkation station
    Y b. lift the boat off the inboard chocks
    N c. energize the winch for the falls
    N d. set the brake on the winch

2935: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?

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

2939: A vessel operating on the Great Lakes, and whose position is south of an approaching eastward-moving storm center, would NOT experience __________.

    N a. a falling barometer
    N b. lowering clouds and drizzle
    Y c. a southwest to west wind
    N d. rain or snow

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

3323: You are proceeding under NCS (Naval Control of Shipping) when it becomes necessary to send a distress message. Which precedence would you assign this message?

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

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

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

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

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

3544: Wire rope should be renewed when the __________.

    N a. outer wires are rusted
    Y b. outer wires are worn to half their original diameter
    N c. inner core appears dry
    N d. certification period expires

3742: It is good practice to use long towlines for ocean tows because the __________.

    N a. wear on the towline is equalized
    N b. weight of the towline increases the towing force
    Y c. dip in the towline absorbs shock loads
    N d. danger of overriding is reduced

4013: What is the minimum size required before a vessel can be documented?

    N a. 26 feet; end-to-end over the deck excluding sheer
    N b. 100 gross tons
    Y c. 5 net tons
    N d. 26 feet between perpendiculars

4024: An icebreaker displaying a flag hoist which consists of the code letters "WO" (Whiskey Oscar) is indicating that __________.

    Y a. icebreaker support is finished
    N b. icebreaker support is commencing
    N c. the icebreaker is icebound
    N d. the icebreaker is beset

4061: The two factors which make underwater hull repair difficult are accessibility and the __________.

    N a. availability of tools
    N b. shape of the hull
    Y c. pressure exerted by the water
    N d. threat of progressive flooding

4071: The head block is located___________.

    N a. at the base of the boom
    Y b. at the head of the boom
    N c. at the head of the mast
    N d. on top of the jack staff

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

4132: What is used when securing heavy vehicles aboard Ro-Ro vessels?

    N a. Buckle or ratchet tensioner
    N b. Webbing
    N c. Manila rope
    Y d. None of these

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

4238: Most pedestal crane power is provided by __________.

    Y a. Electro-hydraulic units
    N b. Steam units
    N c. Independent internal combustion power units
    N d. All of the above