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.


2: You are standing the wheelwatch when you hear the cry, "Man overboard starboard side". You should instinctively __________.


41: Considering the manning requirements for U.S. vessels (100 gross tons and above), your cargo vessel has a deck crew of 20 men, exclusive of the officers. How many of these men do the manning regulations require to be Able Seamen?


71: You are the licensed Master of a 199 GT uninspected towing vessel making a 500 mile coastwise trip. You carry a deck crew of six (6). Which statement is TRUE?


97: Chafing gear should be placed __________.

    Y a. at all wearing points of mooring lines
    N b. at the bitter ends of all standing rigging
    N c. around running rigging
    N d. on wire rope only

107: When may a seaman on a vessel engaged in foreign trade be paid before earning the wages?

    Y a. The seaman may only draw an advance on earned wages.
    N b. Wages up to fifty percent of the seaman's base wage maybe advanced upon proof of serious family illness.
    N c. Wages equivalent to three days base wage may be advanced upon arrival in a foreign port.
    N d. The advance of wages is at the discretion of the master; however, a seaman cannot be in an overpaid status at signoff.

154: A look-out at the bow sights an object on your port side. How many bell strokes should he sound?

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

218: What is the main purpose of dunnage?

    N a. To act as ballast for light vessels
    Y b. To provide ventilation and drainage for cargo
    N c. To secure the tarpaulins in place
    N d. To support weakened bulkheads

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

396: A vessel is equipped with twin propellers, both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships, what will happen?

    N a. The bow will swing to starboard.
    N b. The bow will swing to port.
    N c. The vessel will steer a zigzag course.
    Y d. The vessel will steer a fairly straight course.

418: On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is TRUE?

    N a. Danger of heavy ship sweat exists; constant and vigorous ventilation is required.
    Y b. There is danger of heavy cargo sweat if outside air is introduced by ventilation.
    N c. There is little danger of ship's sweat, slight possibility of cargo sweat; moderate ventilation is needed.
    N d. The possibility of any sweat problem, either cargo or ship, is remote.

492: You are the Master of a 500-gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.

    N a. Coast Guard, only if the grounding results in injury to personnel
    N b. Coast Guard, only if the grounding results in damage to property in excess of $(SA)25,000
    Y c. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible
    N d. Coast Guard, only if the grounding results in loss of life

508: When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, you should __________.

    N a. secure all ventilation
    N b. shut down the exhaust blowers
    N c. shut down the intake blowers
    Y d. ventilate the cargo holds

539: Which type of shackle is used for most towing connections?

    Y a. Safety shackles
    N b. Round pin anchor shackles
    N c. Screw pin shackles
    N d. Heart shaped shackles

604: The term "lee side" refers to the __________.

    N a. side of the vessel exposed to the wind
    Y b. side of the vessel sheltered from the wind
    N c. port side
    N d. starboard side

623: When hugging a bank in a narrow channel, you should take precautions against_______________.

    N a. bank suction, squat and the effects of vessels passing close aboard
    N b. clogged sea chests, plugged sea strainers and overheated machinery
    N c. striking underwater obstructions close to the bank
    Y d. All of the above

659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?

    N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used.
    Y b. The source tank for the tank cleaning machines must have least one meter decanted from it.
    N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%.
    N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential.

701: The Safety Equipment Certificate shows that the vessel conforms to the standards of the __________.

    N a. U.S. Coast Guard
    N b. American Bureau of Shipping
    N c. American Salvage Association
    Y d. S.O.L.A.S. Convention

904: In order to help protect a natural fiber rope from rotting, the line must be __________.

    Y a. dried, and stowed in a place with adequate ventilation
    N b. stowed in a hot, moist compartment
    N c. stowed on deck at all times
    N d. stowed in any compartment

906: A snag or other underwater obstruction may form a __________.

    Y a. V-shaped ripple with the point of the V pointing upstream
    N b. V-shaped ripple with the point of the V pointing downstream
    N c. small patch of smooth water on a windy day
    N d. smoothing out of the vessel's wake

907: While assigned to a 90 GRT vessel, you are required to sign "foreign" articles on a voyage from Philadelphia to which port?

    Y a. San Francisco, CA
    N b. Baltimore, MD
    N c. Tampico, Mexico
    N d. Montreal, Canada

922: You are on watch at sea at night, and a fire breaks out in #3 hold. What would you NOT do immediately?

    N a. Shut down the cargo hold ventilation.
    N b. Sound the fire alarm signal to rouse out all hands.
    N c. Call the Master.
    Y d. Proceed to the space and inspect the extent of the fire.

927: Sluicing or slushing wire rope __________.

    N a. prevents internal and external rust and corrosion
    N b. reduces chafing and increases its useful service life
    N c. reduces internal friction within the wire
    Y d. All of the above

928: Which of the signals listed is required to be displayed during the day while bunkering?

    Y a. A red flag
    N b. A yellow flag
    N c. A red and yellow flag
    N d. A red light

957: Your vessel has completed an inspection for certification and is issued a Temporary Certificate of Inspection. The Temporary Certificate __________.

    Y a. has the full force of the regular Certificate of Inspection
    N b. expires six months after it is issued
    N c. must be exchanged for a regular Certificate of Inspection within 3 months
    N d. is retained in the custody of the Master

977: An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken?

    N a. Abandon the towing vessel.
    N b. Radio for emergency assistance.
    Y c. Slip the towline and allow it to run off the drum.
    N d. Secure all watertight openings on the towing vessel.

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

1045: If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.

    Y a. a check valve will close and prevent reverse circulation
    N b. a centrifugal counterweight counteracts the force of gravity.
    N c. the electric pump motor will cut out
    N d. the control lever will move to the stop position

1169: Static electricity may be built up by the __________.

    N a. spraying or splashing of petroleum
    N b. settling of solids or water in petroleum
    N c. flow of petroleum through pipes
    Y d. All of the above

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

1325: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.

    N a. Crew list
    Y b. Certificate of Inspection
    N c. Articles of Agreement
    N d. fo'c'sle card

1500: Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure?

    N a. Tearing through the member is more likely in this type connection.
    N b. The weld may be broken by the stresses caused by riveting.
    N c. The weld increases the tensile stress on the rivet heads.
    Y d. The welding must be completed before the riveting commences.

1699: In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?

    N a. Your vessel is backing from a dock and runs aground, but is pulled off by tugs in 30 minutes.
    Y b. Your vessel strikes a pier and does $1,500 damage to the pier but no damage to the vessel.
    N c. A nylon mooring line parts while the vessel is tied up and kills a harbor worker who was on the pier.
    N d. A seaman is injured and in the hospital for four days.

1700: Which letter designates the bilge strake of the vessel? (D001DG )

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

1755: Which knot shown is a French bowline? (DO30DG )

    N a. L
    Y b. T
    N c. Q
    N d. W

1816: Which picture shown represents a square knot? (DO30DG )

    Y a. W
    N b. R
    N c. P
    N d. H

1842: The knot shown lettered W is a __________. (DO30DG )

    N a. clove hitch
    Y b. square knot
    N c. barrel hitch
    N d. stopper knot

1864: Progressive flooding may be indicated by __________.

    N a. ballast control alarms
    N b. excessive draft
    N c. excessive list or trim
    Y d. a continual worsening of list or trim

1957: The strake of shell plating indicated by letter H is known as the __________. (D033DG )

    N a. sheer strake
    N b. outboard keel plate
    Y c. garboard strake
    N d. bilge strake

1994: The space indicated by the letter J is known as the __________. (D033DG )

    Y a. double bottom
    N b. flooding barrier
    N c. floor space
    N d. bilge tank

2073: You are preparing to lubricate standing rigging on your vessel. When rigging a bosun's chair on a stay with a shackle, __________.

    N a. connect the shackle to the bosun's chair with a hook
    Y b. never allow the shackle pin to ride on the stay
    N c. run the gantline through the shackle and then make fast to the bosun's chair
    N d. tie the bitter end of the gantline to the shackle before shackling it to the bosun's chair

2077: While assigned to a 150 GRT vessel, you are required to sign "foreign" articles on a voyage from New Orleans to which port?

    N a. Houston, Texas
    N b. Veracruz, Mexico
    N c. Kingston, Jamaica
    Y d. Cristobal Colon, Panama

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

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

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

2247: The knot lettered M in illustration DO30DG is a __________. (DO30DG )

    N a. stopper
    N b. lashing
    N c. becket bend
    Y d. carrick bend

2393: Determine the weight of a rectangular piece of 25.5 lbs. steel measuring 4.5 feet by 6.7 feet.

    N a. 285.6 lbs.
    N b. 329.7 lbs.
    N c. 591.2 lbs.
    Y d. 768.8 lbs.

2466: The pillar shape that gives the greatest strength for the least weight is the __________.

    N a. octagonal pillar
    N b. "H" Beam pillar
    N c. "I" Beam pillar
    Y d. circular type pillar

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)

2502: A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the __________.

    N a. port and starboard strings
    N b. outer strings
    Y c. drag strings
    N d. side strings

2593: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to voluntary Naval Control of Shipping. Further information is contained in __________.

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

2664: You must shore up a bulkhead due to solid flooding forward. The bulkhead approximates a rectangle. The center of pressure of the shores on the bulkhead should be located __________.

    N a. evenly over the surface of the bulkhead
    N b. approximately one-third of the way up the bulkhead
    Y c. approximately halfway up the bulkhead
    N d. at the bottom of the bulkhead

2744: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "I" (India) to signify that "___________________".

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

2798: The primary purpose of the stud is to prevent the anchor chain from __________.

    Y a. kinking
    N b. distorting
    N c. elongating
    N d. breaking

2910: Your vessel is a single-screw ship with a right-hand propeller. There is no current. The easiest way to make a landing is __________.

    Y a. port side to
    N b. starboard side to
    N c. dropping anchor and swinging the ship in to the pier
    N d. either port or starboard side to, with no difference in degree of difficulty

3083: You are signing on crew members. The minimum number of people required aboard, and the qualifications of each, is listed on the __________.

    N a. fo'c'sle card
    N b. Crew list
    N c. Articles of Agreement
    Y d. Certificate of Inspection

3124: You attach a line to a stationary barge lying off your starboard beam in order to maneuver it into position to make up tow. The line used to do this is a __________.

    N a. jockey line
    N b. fore and aft line
    N c. check line
    Y d. swing line

3645: Conventional anchors are least likely to hold in a bottom consisting of __________.

    N a. soft clay
    N b. hard mud
    Y c. very soft mud
    N d. sand

3680: What is the penalty for willfully damaging cargo?

    Y a. Forfeiture of wages equal to the value of the damage and, if ordered by the court, imprisonment for not more than 12 months
    N b. Fine equal to the value of the damage plus a 1000 dollar penalty and/or imprisonment not to exceed 2 years
    N c. Fine not to exceed the value of the damage and/or imprisonment not to exceed 18 months
    N d. Revocation of Merchant Mariner's Document (and license if applicable), fine equal to the value of the damage or imprisonment for not more than 2 years

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

4160: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 20 tons and 30 tons, when carried on Ro-Ro vessels?

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

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