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.


19: The vessel's "quarter" is located __________.


60: You are on a vessel designed to carry compressed gasses in bulk with a cargo of butadiene. Which statement is TRUE?


88: Which is an example of cargo damage caused by inherent vice?


188: Which cargoes require strips of common building lathe as dunnage in order to carry away heat generated by the cargo?

    N a. Canned soups packaged in crates
    N b. Cardboard cartons of shoes
    N c. Paper products packaged in rolls
    Y d. Refrigerated fruit that is ripening

312: If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.

    Y a. increase
    N b. decrease
    N c. stop
    N d. remain constant

428: Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is TRUE?

    Y a. You must ventilate constantly and vigorously to combat ship sweat.
    N b. You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat.
    N c. There is danger of heavy cargo sweat if you ventilate.
    N d. There is little danger of any sweat problem.

486: You are backing on twin engines with rudders amidships. Your starboard engine stalls. To continue backing on course, you should __________.

    Y a. apply left rudder
    N b. apply right rudder
    N c. increase your engine speed
    N d. keep your rudder amidships

573: An ocean towing bridle whose legs are of equal length, but too short, may __________.

    Y a. fail to provide spring in the hawser
    N b. cause unequal distribution of the load to one leg
    N c. cause the bridle legs to jump clear of the chocks or fairleads
    N d. None of the above

597: Wages due a seaman may be attached by the court for the __________.

    N a. payment of monthly bills
    N b. payment of creditors
    Y c. support of a minor child
    N 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

672: When towing alongside (breasted tow), more forward movement will be imparted to the tow by __________.

    N a. increasing the angle of line pull to the keel axis of the tow
    Y b. reducing the angle of line pull to the keel axis of the tow
    N c. positioning the towing vessel on the forward end of the tow
    N d. shortening the length of the tow line

718: How many board feet of dunnage would you estimate to be in a pile 5 feet wide, 1 foot high and 14 feet long?

    N a. 70
    Y b. 840
    N c. 960
    N d. 1080

802: You are on watch at sea on course 090°T. A man falls overboard on your starboard side. You immediately start a Williamson Turn. Which action is NOT a part of a Williamson Turn?

    Y a. Stop the engines until clear of the man.
    N b. Come right full rudder until the vessel heads 150°T.
    N c. Shift the helm to left full rudder.
    N d. Continue with left rudder until on course 270°T.

834: A whipping on a fiber line __________.

    Y a. keeps the ends from fraying
    N b. strengthens it
    N c. protects your hands
    N d. becomes part of a splice

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

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

987: What does the helm command "shift the rudder" mean?

    N a. Stop the swing of the ship.
    N b. Shift the rudder control to the alternate steering method.
    N c. Put the rudder amidships and hold the heading steady as she goes.
    Y d. Put the rudder over to the opposite side, the same number of degrees it is now.

1007: When using the term "limber system" one is referring to a __________.

    N a. cleaning system
    Y b. drainage system
    N c. strengthening system
    N d. weight reduction system

1111: A vessel sailing from Liverpool to New York puts into Boston, Mass. for emergency repairs. If no inward foreign cargo is to be discharged at that port, which of the following documents is required?

    N a. Custom Manifest
    N b. Inward Foreign Manifest
    Y c. Pro Forma Manifest
    N d. Traveling Manifest

1171: If you intend to land tulip bulbs from Holland in a U.S. port, they must be inspected by the __________.

    Y a. Animal and Plant Health Service Inspector
    N b. Captain of the Port personnel
    N c. Quarantine Officer
    N d. All of the above

1516: The length of a standard "shot" of chain is __________.

    N a. 12 fathoms
    Y b. 15 fathoms
    N c. 18 fathoms
    N d. 20 fathoms

1524: A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to?

    N a. Strands, yarns, circumference
    Y b. Strands, wires, diameter
    N c. Wires, yarns, diameter
    N d. Strands, circumference, wires

1552: Which picture represents a stopper hitch? (DO30DG )

    N a. M
    Y b. N
    N c. R
    N d. L

1581: A vessel is found to be seaworthy after a complaint in writing to the American Consul by the Chief and Second Mates. The cost of the survey is to be paid by the __________.

    N a. American Consul
    Y b. Chief and Second Mates
    N c. Vessel's agent
    N d. vessel's owners

1628: You are going ahead on twin engines when you want to make a quick turn to port. Which actions will turn your boat the fastest?

    Y a. Reverse port engine; apply left rudder
    N b. Reverse port engine; rudder amidships
    N c. Reverse starboard engine; apply left rudder
    N d. Reverse starboard engine; rudder amidships

1654: Which knot should be used to bend two hawsers together for towing?

    Y a. Double carrick bend
    N b. Fisherman's bend
    N c. Heaving line bend
    N d. Rolling hitch

1746: Which would you NOT use to report the amount of anchor chain out? "Three shots __________."

    N a. at the water's edge
    N b. on deck
    Y c. on the bottom
    N d. well in the water

1823: Chafing gear __________.

    N a. reduces and prevents corrosion of standing rigging
    N b. prevents corrosion of running rigging
    Y c. reduces and prevents wear caused by the rubbing of one object against another
    N d. protects the body against extreme cold

2018: When towing astern, one way to reduce yawing of the tow is to __________.

    Y a. trim the tow by the stern
    N b. trim the tow by the head
    N c. have the tow on an even keel
    N d. list the tow on the side it is yawing

2062: The vessel shown has broken down and you are going to take her in tow. The wind is on her starboard beam. She is making more leeway than you. Where should you position your vessel when you start running lines? (DO25DG )

    N a. A
    N b. B
    N c. C
    Y d. D

2086: What is the mechanical advantage of tackle number 11? (DO29DG )

    N a. 7
    Y b. 6
    N c. 5.5
    N d. 5

2106: A racetrack turn would be better than a Williamson turn in recovering a man overboard if __________.

    N a. the man has been missing for a period of time
    Y b. the sea water is very cold and the man is visible
    N c. there is thick fog
    N d. the wind was from astern on the original course

2110: Your ship is carrying hazardous cargo. During a daily inspection, you notice that some of the cargo has shifted and several cases are broken. You should FIRST __________.

    N a. call out the deck gang to jettison the cargo
    N b. log the facts in the rough log and inform the Chief Mate later
    N c. make a determination of the seriousness of the breakage, and do what you think best
    Y d. report the facts immediately to the Master, who will make a decision

2133: The S.S. Hollowpoint has a charter party in which the charterer assumes no responsibility for the operation of the vessel but pays stevedoring expenses. What is the name of the charter party?

    N a. Bareboat
    N b. Dispatch
    Y c. Voyage
    N d. Demise

2203: A Chinese stopper (two lines) will hold best when you __________.

    N a. fasten the bitter ends to the mooring line with half hitches
    Y b. twist the ends together and hold them in the direction of the pull
    N c. twist the ends together and hold them in the direction opposite to the pull
    N d. twist the ends together and hold them at right angles to the mooring line

2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.

    N a. 47.0°F
    N b. 51.5°F
    Y c. 59.0°F
    N d. 70.0°F

2268: The helm command "shift your rudder" means __________.

    N a. check the swing of the vessel
    N b. double your rudder angle or go to full rudder
    N c. bring your rudder amidships
    Y d. change from right rudder to left rudder, or vice versa, an equal number of degrees

2458: A carling is used aboard ship __________.

    N a. as a connecting strap between the butted ends of plating
    Y b. to stiffen areas under points of great stress between beams
    N c. to prevent the anchor from fouling when the brake is released
    N d. to provide an extra heavy fitting in a heavy lift cargo rig

2475: The use of liners in riveted construction is eliminated by using __________.

    N a. lapped construction
    N b. strapped construction
    Y c. joggled construction
    N d. belted construction

2616: You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters, fuel barges, etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew?

    N a. No credentials are required since you operate on inland waters only
    N b. Social Security card
    N c. State driver's license with photo ID
    Y d. Merchant Mariner's Document

2646: Which statement is true concerning repairs on the hull of a vessel which is to be riveted and welded?

    N a. Riveting must be completed before welding begins.
    N b. Riveting and welding should be done alternately.
    Y c. Welding must be completed before the riveting begins.
    N d. It does not matter in what order the operations are done.

2699: The thickness of a 30.6 pound plate is __________.

    N a. 3/8"
    N b. 1/2"
    Y c. 3/4"
    N d. 1"

2704: The legs of a tow bridle are joined together with a __________.

    N a. bridle plate
    N b. shackle
    Y c. fishplate
    N d. tri-link

2810: Which document lists all the lifesaving equipment required for a vessel?

    Y a. Certificate of Inspection
    N b. American Bureau of Shipping Classification Certificate
    N c. International Convention for the Safety of Life at Sea Certificate
    N d. Certificate of Registry

2862: What is used to prevent accidental flooding of a double bottom or peak tanks in the event of a pipe rupture due to collision?

    N a. Separate lines are provided for filling and pumping these tanks.
    N b. Pipe lines must run vertically from the tank to a point above the margin line before turning fore or aft towards the pump.
    N c. All tanks must be served by the fewest possible number of pipes to reduce the possibility of rupture.
    Y d. Suction lines are fitted with a non-return valve

2970: What material may be substituted for zinc when making a poured metal socket ending to a wire rope?

    N a. Lead
    N b. Babbitt
    N c. Solder
    Y d. Nothing

3022: You are in the process of adding a barge to your tow. A line run from your power capstan and around timber heads on your tow is made fast on the new barge so that it can be pulled into position. This line is called a __________.

    N a. scissors wire
    Y b. capstan line
    N c. spring line
    N d. fore and aft line

3058: Which type of ice is the most difficult to combat and presents the greatest hazard to shipping on the Great Lakes during the winter months?

    N a. Icebergs
    N b. Fast ice
    N c. Slow ice
    Y d. Pack slush ice

3086: Which statement concerning the navigation of a vessel in ice is FALSE?

    N a. Anchoring in the presence of ice is not recommended except in an emergency.
    N b. Towing a vessel through an ice field is not recommended except in an emergency.
    N c. The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations.
    Y d. When anchoring in ice, it is advisable to increase the scope of the chain over what is normally used for non-icing conditions.

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

3492: The Master of a passenger vessel which is not required to maintain an Official Logbook must keep a record of the number of passengers received and delivered from day to day. This record must be available for a period of __________.

    N a. 6 months
    Y b. 12 months
    N c. 24 months
    N d. 36 months

3582: What term indicates the length measured along the summer load line from the intersection of that load line with the foreside of the stem and the intersection of that load line with the after side of the rudder post?

    N a. Length overall
    N b. Register length
    Y c. Length between perpendiculars
    N d. Length on the waterline

3654: Horizontal transverse motion of a vessel is known as __________.

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

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

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

4034: The signal man assisting the crane operator has his arm extended downwards, forefinger pointing down, and moves his hand in small horizontal circles. This is the signal to __________.

    Y a. lower
    N b. swing
    N c. hoist
    N d. extend

4054: "Hanging a barge off" means to __________.

    Y a. moor a damaged barge to the bank and leave
    N b. remove and deliver a loaded barge from a multiple tow
    N c. remove a barge while locking through
    N d. tow an empty barge astern

4155: Which factor(s) should be considered when loading vehicles or trailers aboard Ro-Ro vessels?

    N a. Layout of decks
    N b. Vertical clearances
    N c. Tie-down and lashing
    Y d. All of the above

4181: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?

    N a. Wire rope.
    Y b. Chain
    N c. Webbing
    N d. All of the above

4378: Which statement concerning an automatic towing engine is FALSE?

    N a. It automatically maintains tow line tension.
    N b. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in.
    Y c. As tension on the hawser increases, more line is taken in by the automatic towing engine.
    N d. As tension on the hawser decreases, more line is taken in by the automatic towing engine.