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.


136: Under the federal regulations, what minimum level of Blood Alcohol Content (BAC) constitutes a violation of the laws prohibiting Boating Under the Influence of Alcohol (BUI) on commercial vessels?


169: The lowest temperature at which a liquid will give off sufficient vapors to form a flammable mixture with air is known as the __________.


185: Before a Master relieves a Pilot of the conn, the __________.


186: The pivoting point of a vessel going ahead is __________.

    N a. at the hawsepipe
    Y b. about one-third of the vessel's length from the bow
    N c. about two-thirds of the vessel's length from the bow
    N d. near the stern

455: A vessel having continuous closely spaced transverse strength members is __________.

    N a. longitudinally framed
    Y b. transversely framed
    N c. cellular framed
    N d. web framed

490: Which agency is authorized to assist the Coast Guard in the inspection of vessels for the suitability of loading hazardous materials?

    N a. American Bureau of Shipping
    N b. Environmental Protection Agency
    Y c. National Cargo Bureau, Inc.
    N d. U.S. Navy explosive loading details

514: The part of an anchor which takes hold on the bottom is the __________.

    N a. arm
    N b. base
    Y c. fluke
    N d. stock

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

689: When your tug reduces speed to shorten tow, the __________.

    N a. length of the tow gets shorter as the strain is reduced
    N b. tow may continue its momentum and overtake the tug
    N c. towing hawser may drag the bottom and put the tug in irons
    Y d. All of the above

735: A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a __________.

    N a. main brace
    Y b. tow span
    N c. jockey bar
    N d. None of the above

835: For towing vessels over 100 gross tons that are permitted to maintain a two-watch system, what percentage of the deck crew must be able seamen?

    Y a. 50%
    N b. 65%
    N c. 75%
    N d. 100%

899: When must the owner or Master of a towing vessel retest a towline or remove it from service?

    Y a. When the record of its material condition lapses for 3 months or more.
    N b. After it jams on the towing winch.
    N c. After it drags on the bottom.
    N d. When it has not been used for over 60 days.

1018: Which U.S. Government agency can suspend or revoke a Merchant Mariner's license for violating the load line act?

    N a. American Bureau of Shipping
    Y b. U.S. Coast Guard
    N c. U.S. Customs Service
    N d. U.S. Maritime Administration

1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.

    N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch
    Y b. manually by two or three sailors heaving away on deck
    N c. by taking the gantline to a winch drum and heaving away with the winch
    N d. by fairleading the gantline with a snatch block and pulling with a cargo runner

1083: Which of the knots, bends, or hitches shown in the illustration would you use to properly secure a bosun's chair to a gantline? (D030DG )

    N a. G
    N b. I
    N c. Q
    Y d. R

1160: In a longitudinally-framed ship, the longitudinal frames are held in place and supported by athwartship members called __________.

    N a. floors
    N b. margin plates
    N c. stringers
    Y d. web frames

1221: Your vessel is in Charleston, S.C. You need not clear Customs if __________.

    Y a. all the cargo on board is of U.S. origin and destined for New York
    N b. you took on no new cargo in Charleston, S.C. and are bound for Puerto Rico and thence foreign
    N c. you did not discharge any cargo in Charleston and are bound for Panama
    N d. you did not load any cargo in Charleston and are bound for Halifax

1264: Which type of line is best able to withstand sudden shock loads?

    N a. Polypropylene
    Y b. Nylon
    N c. Dacron
    N d. Manila

1267: You are on watch while your vessel is entering port with a pilot conning. The pilot gave a steering command to the helmsman who failed to acknowledge it by repeating the order. You have now enunciated the pilot's order to the helmsman and there is still no response. If the helmsman continues on the original course, you should immediately __________.

    Y a. take the helm and expedite the maneuver that the pilot ordered
    N b. ask the Pilot to repeat the command since the helmsman failed to hear it
    N c. tell the helmsman to ask the Pilot to repeat any command that he fails to hear or understand
    N d. repeat the Pilot's command a second time and notify the Master

1280: Vertical structural members attached to the floors that add strength to the floors are called __________.

    N a. boss plates
    N b. buckler plates
    Y c. stiffeners
    N d. breast hooks

1288: A document used to indicate suspected cargo damage caused by rough weather would be the __________.

    N a. cargo report
    N b. hull damage report
    Y c. Master's Note of Protest
    N d. Unseaworthy Certificate

1306: You are making mooring lines fast to bitts, stern to, as in some Mediterranean ports. A swell is liable to make the vessel surge. How should you tie up?

    Y a. Use manila or synthetic fiber hawsers only.
    N b. Use wires only from the stern and each quarter.
    N c. Use synthetic fiber and/or manila hawsers as required.
    N d. Use wires from each quarter and manila hawsers from the stern.

1324: The forecastle card is a(n) __________.

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

1361: On a voyage charter, when a vessel is ready to load cargo, the Master should render to the charterer a __________.

    Y a. Notice of Readiness
    N b. Master Certificate of Service
    N c. Shipmasters Declaration
    N d. Vessel Utilization and Performance Report

1503: Which knot should be used to send a man over the side when he may have to use both hands?

    N a. Bowline
    Y b. French bowline
    N c. Bowline on a bight
    N d. Running bowline

1568: A tackle is "two blocked" when the blocks are __________.

    N a. equally sharing the load
    Y b. jammed together
    N c. as far apart as possible
    N d. rove to the highest mechanical advantage

1577: You are the Chief Mate of a 30,000-DWT tankship. The vessel is engaged in trade with another country signatory to MARPOL 73/78. Which statement is TRUE?

    N a. The Certificate of Inspection serves as prima facie evidence of complying with MARPOL 73/78.
    Y b. The IOPP Certificate for an inspected vessel is valid for 5 years.
    N c. An IOPP Certificate is invalidated if the ship carries cargoes outside the classes authorized thereon.
    N d. An IOPP Certificate is renewed at each inspection for certification.

1702: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2282 on it. This indicates that it is carrying what cargo?

    N a. Isoheptene
    N b. Phosphine
    N c. Furan
    Y d. Hexanols

1722: 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
    Y b. 1 to 6 hours
    N c. 30 minutes to 1 hour
    N d. 10 minutes if possible

1753: To reeve a right-angle threefold purchase start with the __________.

    N a. left sheave bottom block
    N b. left sheave top block
    Y c. middle sheave top block
    N d. right sheave bottom block

1815: "Ease the rudder" means to __________.

    N a. steer the course which is your present heading
    N b. move the rudder slowly in the direction of the most recent rudder command
    N c. bring the rudder amidships
    Y d. decrease the rudder angle

1931: You are using tackle number 12 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 )

    N a. 80 lbs.
    Y b. 69 lbs.
    N c. 55 lbs.
    N d. 50 lbs.

1979: What is a proper size block to use with a 3-inch circumference Manila line?

    N a. At least a 12-inch sheave
    Y b. 9-inch cheek, 6-inch sheave
    N c. 8-inch cheek, any size sheave
    N d. 6-inch cheek, 4-inch sheave

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.

2121: Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE?

    Y a. Stack weights should be less when using a solid bar lashing as compared to a wire lashing.
    N b. Stack heights may be increased when using a solid bar lashing.
    N c. Stack heights should be reduced when using a solid bar lashing.
    N d. Solid bars should be used for lashing the first tier only, with wire lashings on the higher tier(s).

2130: In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?

    N a. 60°
    N b. 135°
    N c. 180°
    Y d. 360°

2175: Which is a negotiated charter?

    Y a. Fixture
    N b. Bill of Lading
    N c. Conference agreement
    N d. All of the above

2199: What is the name of tackle number 2? (DO29DG )

    N a. Whip
    N b. Onefold purchase
    N c. Single purchase
    Y d. Gun tackle

2209: Certain cargoes must be segregated because of their __________.

    Y a. inherent characteristics
    N b. weight
    N c. destination
    N d. danger to humans

2218: If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause __________.

    Y a. mold to develop on commodities
    N b. malfunction of the refrigeration equipment
    N c. contamination of the insulation in the space
    N d. All of the above

2261: The machinery associated with heaving in and running out anchor chain is the __________.

    N a. winch
    Y b. windlass
    N c. draw works
    N d. dynamic pay out system

2300: In the stowage of deck cargo, "cribbing" is __________.

    Y a. placed on deck to support the cargo
    N b. separation pieces used to keep cylinders upright and steady
    N c. shims for stowing baled cargo
    N d. nets placed across the hatch opening to keep the cargo from falling in the hatch

2322: Fittings used for towing must be __________.

    N a. Coast Guard approved
    N b. stamped with maximum working loads
    Y c. securely fastened
    N d. positioned exactly at the bow of the towed vessel

2481: 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. P (PRIORITY)
    Y b. Z (FLASH)
    N c. R (ROUTINE)
    N d. O (IMMEDIATE)

2567: When relieving the helm, the new helmsman should know the __________.

    N a. variation
    N b. gyro error
    Y c. course per magnetic steering compass
    N d. maximum rudder angle previously used

2578: According to regulations when, if ever, may cargo hatches on Great Lakes vessels, with more than 6 feet of freeboard, be left uncovered or open while the vessel is being navigated?

    N a. If a Mate deems it necessary for ship's maintenance
    Y b. At the discretion of the Master, for reasonable purposes
    N c. On the authority of the Bosun
    N d. The hatch may never be uncovered

2582: What is usually NOT required in preparing a hold for reception of a bulk grain cargo?

    N a. Remove residue of previous cargo.
    N b. Remove loose rust and scale.
    Y c. Steam clean areas obstructed by structural members.
    N d. Spray or fumigate any insect colonies.

2854: The term "Great Lakes", as defined by the Inland Rules of the Road, does NOT include __________.

    N a. portions of the Chicago River
    N b. portions of the Calumet River
    Y c. the St. Lawrence River to Trois Rivieres
    N d. Saginaw Bay

2886: How should you signal the crane operator to lower?

    N a. With forearm vertical and forefinger pointing up, move hand in small horizontal circles.
    Y b. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles.
    N c. Extend arm and point finger in the direction to move the boom.
    N d. Extend arm with thumb pointing downward, and flex fingers in and out.

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

3321: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.

    N a. one year imprisonment or $500
    N b. two years imprisonment or $500
    Y c. two years imprisonment or $1000
    N d. two years imprisonment or $2000

3339: Pitching is angular motion of the vessel about what axis?

    N a. Longitudinal
    Y b. Transverse
    N c. Vertical
    N d. Centerline

3360: On a light tow, what could you substitute for a fishplate?

    Y a. heart-shaped shackle
    N b. pelican hook
    N c. swivel
    N d. ring

3710: A new crewman reports on board. He must be trained in the use of the ship's lifesaving appliances within what time period?

    N a. 2 months
    N b. 1 month
    Y c. 2 weeks
    N d. Before sailing

4020: You are on a tankship discharging oil. When all of the oil that the main cargo pumps can handle is pumped out of a tank, the remainder is __________.

    N a. stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps
    Y b. stripped to one tank and then pumped out with the main pumps
    N c. stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps
    N d. gravitated to the centers from the wings and pumped out with the main pumps

4049: Tugs sometimes shackle a length of chain in the towline in order to __________.

    N a. take the wear should the towline drag bottom
    N b. assure that if the towline is overstressed it will part close to the bridle
    N c. prevent the towline from whipping should it part
    Y d. put spring in the towline

4096: Yawing is angular motion of the vessel about what axis?

    N a. Longitudinal
    N b. Transverse
    Y c. Vertical
    N d. Centerline

4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?

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

4174: What should be done immediately after putting down the stern ramp on a Ro-Ro vessel, prior to loading or discharging cargo?

    N a. Turn on the red cargo light.
    N b. Turn on pumproom ventilation.
    N c. Call out the deck department for all hands.
    Y d. Raise/open the stern door.

4179: 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
    N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp
    N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door
    Y d. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds