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.


36: The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as __________.


67: You are in charge of a U.S. documented vessel. Under title 46 of the United States Code, if you fail to report a complaint of a sexual offense, you may be __________.


91: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to New York, a distance in excess of 600 miles. Which statement is FALSE?


132: What is a characteristic of all centrifugal cargo pumps?

    N a. They are self-priming.
    Y b. Decreasing the speed of rotation will decrease the discharge pressure.
    N c. Opening the discharge valve wider will increase the discharge pressure.
    N d. All of the above

167: You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?

    N a. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law.
    Y b. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge.
    N c. The Pilot is solely responsible for the internal working of the ship.
    N d. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn.

184: You are standing look-out duty at night. A dim light on the horizon will be seen quickest by looking __________.

    N a. at an area just a little below the horizon
    N b. at the horizon, where the sky and water appear to meet
    Y c. a little above the horizon
    N d. well below the horizon

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

189: Reid vapor pressure is __________.

    N a. exerted by liquid cargo on the sides of a tank
    N b. exerted by liquid cargo on a cargo hose body
    N c. the lowest temperature and pressure that will cause a flammable liquid to give off vapors
    Y d. a measurement of the amount of flammable vapors given off by a liquid at a certain temperature

194: A vessel spotted at 45° relative can be reported as __________.

    N a. on the starboard beam
    Y b. broad on the starboard bow
    N c. 4 points forward of starboard bow
    N d. 4 points abaft the starboard beam

258: Your U.S. tankship is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980. Which statement concerning the carriage of this cargo is TRUE?

    N a. A flammable gas detection system must be installed in each cargo pump room.
    Y b. The cargo may be gauged by automatic float type devices.
    N c. Carriage of this cargo is authorized by issuance of an IMO Certificate.
    N d. Aluminum, copper, zinc, and mercury are allowed in valve parts in contact with the cargo.

258: Your U.S. tankship is designed to carry anhydrous ammonia in bulk. The keel was laid in 1980. Which statement concerning the carriage of this cargo is TRUE?

    N a. A flammable gas detection system must be installed in each cargo pump room.
    Y b. The cargo may be gauged by automatic float type devices.
    N c. Carriage of this cargo is authorized by issuance of an IMO Certificate.
    N d. Aluminum, copper, zinc, and mercury are allowed in valve parts in contact with the cargo.

504: Anchors are prevented from running out when secured by the __________.

    N a. brake
    N b. devil's claw
    N c. pawls
    Y d. All of the above

531: Spring loaded towing hooks are used in towing to __________.

    N a. absorb and cushion the shock of towing
    N b. prevent whiplash
    Y c. trip and release when the pull of the towing hawser exceeds a predetermined limit
    N d. make it easier to attach and release the tow

688: Who would normally certify that all preparations have been made and all regulations observed prior to loading a cargo of bulk grain?

    N a. American Bureau of Shipping
    N b. U.S. Coast Guard
    Y c. National Cargo Bureau
    N d. Master of the vessel

775: You are on a large merchant vessel entering a U.S. port. There is a Pilot onboard and he has the conn. Which statement is TRUE?

    N a. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn.
    N b. The Pilot is solely responsible for the internal working of the ship.
    N c. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law.
    Y d. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge.

823: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?

    N a. A licensed Master of Towing Vessels may serve as Master.
    N b. Crew must be signed on before a Shipping Commissioner.
    Y c. Each crew member must be issued a certificate of discharge at the time of discharge.
    N d. No able seamen are required.

858: The lower hold of your vessel has a bale capacity of 60,000 cubic feet. How many tons of cotton in bales having a stowage factor of 85 can be stowed in the lower hold, assuming a broken stowage factor of 20%?

    N a. 141
    Y b. 565
    N c. 706
    N d. 847

968: The Master may have his/her license suspended or revoked for __________.

    N a. carrying stowaways
    N b. sailing shorthanded
    Y c. being negligent
    N d. All of the above

983: When a vessel is on autopilot steering, the "weather " control is adjusted to compensate for which severe weather effect on a vessel?

    Y a. Yaw
    N b. Roll
    N c. Pitch
    N d. Leeway

1127: All entries in the Official Logbook must be signed by the Master and __________.

    N a. the Chief Engineer
    N b. the person about whom the entry concerns
    Y c. one other crew member
    N d. No other signature is required.

1178: A shipper of cargo aboard your vessel offers a letter of indemnity for the cargo. This is done in order to obtain a(n) __________.

    Y a. Clean Bill of Lading
    N b. Order Bill of Lading
    N c. Straight Bill of Lading
    N d. Through Bill of Lading

1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.

    N a. Coast Guard
    Y b. Customs
    N c. Immigration Service
    N d. Public Health Service

1233: You are on watch while your vessel is entering port with a pilot conning. The pilot gives a steering command to the helmsman who fails to acknowledge it by repeating the command. You should immediately __________.

    N a. notify the Master
    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
    Y d. repeat the Pilot's command and ensure that the helmsman repeats it exactly

1366: The best method to stop a vessel from dragging anchor in a sand bottom is to __________.

    N a. reduce the length of the cable
    Y b. pay out more anchor cable
    N c. back the engines
    N d. swing the rudder several times to work the anchor into the bottom

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

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

1612: Which of the pictures in illustration DO30DG represents a stopper? (DO30DG )

    N a. E
    Y b. N
    N c. R
    N d. S

1632: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?

    Y a. Your vessel strikes a pier and does $1,500 damage to the pier but none to the vessel.
    N b. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier.
    N c. A seaman is injured and in the hospital for four days.
    N d. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes.

1641: The helm command "Steady as you go" means __________.

    Y a. steer the course you are on now
    N b. steer the course when the swing stops
    N c. maintain the rate of swing
    N d. don't allow the vessel to swing off course so much

1855: Which problem is virtually impossible to detect during an in-service inspection of used anchor chain?

    N a. Cracks
    N b. Elongation
    N c. Loose studs
    Y d. Fatigue

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.

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

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

2064: While underway in thick fog you are on watch and hear the cry "man overboard". Which type of maneuver should you make?

    N a. figure eight turn
    N b. Round turn
    N c. Racetrack turn
    Y d. Williamson turn

2114: All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trade shall be done under the supervision of __________.

    N a. a U.S. Coast Guard Marine Inspector
    Y b. an officer assigned to the vessel
    N c. the American Bureau of Shipping
    N d. the National Cargo Bureau

2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.

    Y a. anchor may be dropped from the hawsepipe
    N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped
    N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered
    N d. scope should be less than 3 times the depth of the water

2153: The shipping papers for the products being carried in your tankship are NOT required to contain the __________.

    Y a. exact quantity of the cargoes
    N b. grades of the cargoes
    N c. location of the delivery point(s)
    N d. name of the consignee(s)

2170: Your vessel is disabled and in imminent danger of grounding on a lee shore. The Master agrees to salvage services using Lloyd's Standard Form of Salvage Agreement. Which is TRUE?

    N a. The salvage award will be decided by suit in Admiralty Court.
    Y b. The salvage service is on a "no cure-no pay" basis.
    N c. Underwriters will repudiate the agreement if it is unsuccessful, due to their increased liability.
    N d. The salvor becomes the owner of the vessel until the salvage award, if any, is paid.

2171: The order of importance in addressing damage control is __________.

    N a. control flooding, control fire, repair structural damage
    N b. restore vital services, control fire, control flooding
    N c. control fire, restore vital services, control flooding
    Y d. control fire, control flooding, repair structural damage

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

2242: What is the area of a circle with a radius of 21 feet after a sector of 120° has been removed?

    N a. 115.45 sq. ft
    N b. 230.91 sq. ft
    N c. 461.81 sq. ft
    Y d. 923.63 sq. ft

2399: You are standing wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?

    N a. Obey the Pilot.
    N b. Bring the rudder to a position midway between the two conflicting positions.
    N c. Ask the Pilot if he relinquishes control.
    Y d. Obey the Master.

2763: When a merchant vessel is under the Naval Control of Shipping Organization in wartime, naval authorities may give orders pertaining to __________.

    N a. minimum manning standards
    Y b. regulations about darkening ship
    N c. the stowage of explosives
    N d. the types of cargoes permitted on board

2858: Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller?

    N a. Slightly higher fuel consumption
    N b. Lack of directional control when backing
    N c. Inefficient at high shaft RPM
    Y d. Some unusual handling characteristics

2889: What is the minimum size required before a vessel can be documented?

    Y a. 5 net tons
    N b. 100 gross tons
    N c. 26 feet length
    N d. 65 feet length

2902: Which basic category of water level fluctuations on the Great Lakes is the most regular?

    Y a. Seasonal fluctuations
    N b. Outflow fluctuations
    N c. Short-term fluctuations
    N d. Long-term fluctuations

2906: You are planning to anchor in an area where several anchors have been lost due to fouling. As a precaution, you should __________.

    N a. anchor using both anchors
    N b. anchor with scope of 8 or more to 1
    N c. use a stern anchor
    Y d. fit a crown strap and work wire to the anchor

2938: Which statement concerning storm surges on the Great Lakes is FALSE?

    Y a. They are common along the deeper areas of the lakes.
    N b. They cause rapid differences in levels between one end of the lake and the other.
    N c. The greatest water level difference occurs when the wind is blowing along the axis of the lake.
    N d. If the wind subsides rapidly, a seiche effect will most likely occur.

2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".

    N a. I am altering my course to starboard
    N b. I am altering my course to port
    Y c. I am operating astern propulsion
    N d. My vessel is stopped and making no way through the water

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

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

3476: The strongest method of forming an eye in wire rope is using __________.

    N a. three wire rope clamps
    N b. an eye splice with four or five tucks
    N c. a thimble fastened with four or five tucks
    Y d. a wire rope socket attached with zinc

3540: While on duty as a look-out, which other duty may you perform?

    N a. Sweep down the fo'c'sle
    N b. Paint any area near your station
    N c. Overhaul a block, as long as it is at your look-out station
    Y d. None of the above

3599: What term indicates the outward curvature of the hull above the waterline?

    N a. sheer
    N b. tumble home
    N c. deadrise
    Y d. flare

4012: The purpose of item G is to __________. (D024DG )

    N a. distribute the vessel's thrust over a wider area
    N b. prevent the towboat from capsizing if item I should part
    Y c. prevent the knee from shifting when the rudder is put hard over
    N d. keep the barges from shifting fore and aft

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

4091: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.

    N a. bow
    Y b. center of gravity
    N c. centerline
    N d. bridge

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

4148: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?

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

4234: What describes a tandem crane lift?

    N a. Single crane hoisting 30 tons
    N b. Two cranes on a single pedestal hoisting 60 tons
    Y c. Two sets of twin cranes hoisting 120 tons
    N d. All of the above

4234: What describes a tandem crane lift?

    N a. Single crane hoisting 30 tons
    N b. Two cranes on a single pedestal hoisting 60 tons
    Y c. Two sets of twin cranes hoisting 120 tons
    N d. All of the above

4242: What is the advantage of the tandem working arrangement of pedestal cranes when operating cargo?

    N a. The cranes enable the handling of heavy cargos without shoreside assistance
    N b. The cargo discharge can be accomplished with controlled pendulation
    N c. The cargo discharge can be performed in port or at anchor
    Y d. All of the above