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.


14: Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this, you should __________.


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


50: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?


124: Bilge soundings indicate __________.

    N a. the amount of condensation in the hold
    N b. whether the cargo is leaking or not
    N c. whether the vessel is taking on water
    Y d. All of the above

137: The system of valves and cargo lines in the bottom piping network of a tank barge that connects one section of cargo tanks to another section is called a __________.

    N a. come-along
    Y b. crossover
    N c. manifold
    N d. runaround

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

249: Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by __________.

    N a. any certificated tankerman
    N b. the Master of the vessel
    N c. the officer of the watch
    Y d. the person designated as "person in charge"

302: You are on a multiple-product chemical tanker with orders to load diethylamine. What is NOT a requirement for transporting this cargo?

    N a. You must have two toxic vapor detectors or the pumproom must meet special requirements.
    N b. Each crew member must be provided with an emergency escape breathing apparatus.
    Y c. A person taking cargo samples must wear protective clothing.
    N d. If you are carrying propionic acid also, the venting systems must be segregated.

340: Argon is classified as a __________.

    N a. corrosive
    N b. flammable gas
    N c. flammable liquid
    Y d. nonflammable gas

411: Tonnage tax is officially based upon the figures obtained from the __________.

    Y a. Admeasurement Certificate
    N b. deadweight scale
    N c. displacement scale
    N d. Load Line Certificate

546: A twin-screw ship going ahead on the starboard screw only tends to move __________.

    N a. in a straight line
    Y b. to port
    N c. from side to side
    N d. to starboard

593: To lead the towing hawser over the center of the stern when not under a strain you could __________.

    N a. fairlead it through a stern roller chock
    N b. lead it through the Norman pins
    N c. hold it in the median position by a gob rope or lizard stopper
    Y d. All of the above when so equipped

612: When backing down with sternway, the pivot point of a vessel is __________.

    N a. at the bow
    N b. about one-third of the vessel's length from the bow
    N c. aft of the propellers
    Y d. about one-quarter of the vessel's length from the stern

612: When backing down with sternway, the pivot point of a vessel is __________.

    N a. at the bow
    N b. about one-third of the vessel's length from the bow
    N c. aft of the propellers
    Y d. about one-quarter of the vessel's length from the stern

692: The tow makeup that is designed to keep the catenary of the tow hawser to a minimum is called the __________.

    Y a. Christmas tree tow
    N b. tandem tow
    N c. British tow
    N d. tandem tug tow

709: The designations A,B,C,D, and E grades of cargo refer to the __________.

    N a. degrees of quality of petroleum products
    Y b. flash point range and Reid vapor pressure index of petroleum products
    N c. grades of crude oil
    N d. pour point, color, and viscosity index of petroleum products

751: A document which has a list of names, birthplaces, and residences of persons employed on a merchant vessel bound from a U.S. port on a foreign voyage and is required at every port is called the __________.

    Y a. Certified Crew List
    N b. Crew Manifest
    N c. Shipping Articles
    N d. Muster List ("Station Bill")

865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?

    Y a. 3,000 lbs
    N b. 5,000 lbs
    N c. 15,000 lbs
    N d. 65,000 lbs

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

993: Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?

    N a. Bow breast line
    Y b. Bow spring line
    N c. Inshore head line
    N d. Offshore head line

1149: You are on anchor watch. As an aid to preventing thievery on the vessel you should __________.

    N a. show running lights, anchor lights and deck lights
    N b. only show the required anchor lights and keep the rest of the vessel darkened
    N c. maintain water on deck with firehoses led out and all-purpose nozzles attached
    Y d. show anchor lights, deck lights and cargo lights hung over the vessel's side

1231: What is NOT a condition for a salvage claim?

    N a. The property saved must be "maritime property."
    Y b. The salvors must save or attempt to save any life in peril.
    N c. The salvage service must be voluntary.
    N d. The property must be in peril.

1240: Bilge keels are fitted on ships to __________.

    N a. assist in dry dock alignment
    N b. improve the vessel's stability
    N c. protect the vessel from slamming against piers
    Y d. reduce the rolling of the vessel

1287: The term "shift the rudder" means __________.

    Y a. change from right (left) to left (right) rudder an equal amount
    N b. use right or left rudder
    N c. check, but do not stop the vessel from swinging
    N d. put the rudder amidships

1296: To ensure the best results during the Mediterranean moor, the chains should __________.

    N a. be crossed around the bow
    N b. tend out at right angles to the bow
    N c. tend aft 60°From each bow
    Y d. tend forward 30° on either bow

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

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

1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.

    N a. full ahead
    Y b. full astern
    N c. half ahead
    N d. slow astern

1723: What is meant by the term "two-blocked"?

    Y a. The bottom block touches the top block.
    N b. The line has jumped the sheaves.
    N c. There are turns in the fall.
    N d. You have two blocks.

1854: The structural member indicated by the letter F is known as a(n) __________. (D033DG )

    N a. erection
    Y b. pillar
    N c. girder
    N d. deck support

1859: You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?

    N a. Order minimum turns until the towing hawser is just clear of the water, then reduce speed to that necessary to keep the line clear of the water.
    N b. If the towline is properly adjusted and weighted you can order slow or dead slow and the towline will act as a spring to absorb the initial shock.
    N c. Order minimum turns until the towing hawser is taut and then continue at that speed until towing speed is attained.
    Y d. Order minimum turns until the catenary almost breaks the water, then stop. Order more turns as the hawser slackens but keep the catenary in the water.

1905: You have a large, broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however, unless there are special circumstances __________.

    Y a. the towing vessel should slip first
    N b. the vessel towed should slip first
    N c. they should slip simultaneously
    N d. either vessel may slip first

1915: A butt is indicated by which letter? (D033DG )

    N a. J
    N b. F
    N c. E
    Y d. D

1943: In order to pay out or slack a mooring line which is under strain, you should __________.

    N a. sluice the line
    Y b. surge the line
    N c. stopper the line
    N d. slip the line

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).

2353: Which mooring line prevents sideways motion of a vessel moored to a pier?

    N a. A line led forward from the bow
    N b. A line led aft from the bow
    N c. A line led in the same direction as the keel
    Y d. A line led at a right angle to the keel

2453: On a ship's crane, the load chart relates the allowable load to the combination of the boom length and __________.

    N a. winch speed
    N b. boom strength
    Y c. load radius
    N d. cable strength

2454: You are going astern (single-screw, right-handed propeller) with the anchor down at a scope of twice the depth of the water. As the anchor dredges, you should expect the __________.

    N a. stern to walk to the same side as the anchor being used
    N b. vessel to back in a straight line
    Y c. stern to walk to port but at a reduced rate
    N d. stern to walk to port at a faster rate than normal

2601: To determine the number of inflatable liferafts required on a vessel, you should check the __________.

    N a. Load Line Certificate
    N b. SOLAS Certificate
    N c. Stability Letter
    Y d. Certificate of Inspection

2612: When using the anchor to steady the bow while approaching a dock you must be aware of the fact that __________.

    N a. the vessel will tend to take a large sheer towards the side where the anchor is down
    N b. steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
    N c. the anchor cable must never lead under the hull
    Y d. using an offshore anchor decreases the chances of the anchor holding

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.

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.

2692: Your vessel is on a voyage from Ogdensburg, NY, to Chicago, IL, via the Great Lakes. The date is October 3 of the current year. If your vessel is subject to the load line requirements, to which of her marks should she be loaded? (D031DG )

    N a. Fresh water - Winter
    N b. Salt water - Intermediate
    Y c. Fresh water - Intermediate
    N d. Salt water - Winter

2712: Which two Great Lakes are considered hydraulically as one?

    N a. Lakes Superior - Huron
    Y b. Lakes Michigan - Huron
    N c. Lakes Erie - St. Clair
    N d. Lakes Erie - Ontario

2722: "Limber" is a term associated with __________.

    N a. emergency gear
    Y b. drainage
    N c. deck cargo storage
    N d. securing gear

2774: There are basically three categories of water level fluctuations on the Great Lakes. What is NOT included as one of these?

    N a. Long range fluctuations
    Y b. Controlled outflow fluctuations
    N c. Seasonal fluctuations
    N d. Short period fluctuations

2776: How are aids to navigation on the Great Lakes arranged geographically?

    N a. In a westerly and northerly direction, except on Lake St. Clair
    N b. In an easterly and southerly direction, except on Lake Erie
    Y c. In a westerly and northerly direction, except on Lake Michigan
    N d. In an easterly and southerly direction, except on the New York State Barge Canal

2859: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "M" (Mike) to signify that "________________".

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

2978: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "E" (Echo) to signify that "________________".

    Y a. I am altering my course to starboard
    N 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

3024: How should you signal the crane operator to dog everything?

    N a. Place both fists in front of your body with thumbs pointing toward each other.
    Y b. Clasp hands in front of your body.
    N c. Extend arm with the palm down and hold this position rigidly.
    N d. Extend arm with the thumb pointing up, and flex the fingers in and out.

3081: A seaman is entitled by law to a release from Foreign Articles when __________.

    N a. intoxicated
    N b. deductions are made from wages
    N c. injured
    Y d. the vessel is overloaded

3250: You are operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?

    N a. If the buoy is afloat, no action is necessary.
    N b. Wait one week and submit form GG-2692 to the nearest Coast Guard Marine Safety or Inspection Office.
    Y c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary.
    N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692.

3438: One advantage of chain over wire rope for a tow bridle is that chain __________.

    N a. is better suited for inland towing
    Y b. resists damage from chafing
    N c. handles more easily
    N d. equalizes towing forces better

3450: Kort nozzles are installed around the propellers of some vessels to __________.

    Y a. increase the thrust of the propeller
    N b. protect the propeller from striking sawyers
    N c. prevent the propeller from striking barges towed on the hip
    N d. prevent the propeller from touching bottom in low water

3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.

    N a. keep lifting
    N b. swing right
    N c. swing left
    Y d. emergency stop

3694: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required pilot is TRUE?

    N a. The pilot must be licensed by Virginia or Maryland.
    N b. The Pilot must be licensed by either Virginia or Maryland.
    N c. The Pilot must be licensed by Virginia, Maryland and the Coast Guard.
    Y d. The Pilot need only by licensed by the Coast Guard.

4032: The pivot pin at the base of a sheath-screw boom davit must be __________.

    N a. inserted each time before the booms are cranked out
    Y b. periodically removed for inspection and lubricated
    N c. replaced at each inspection for certification
    N d. in the locked position after the boat is cradled and griped down

4116: Onboard a Ro-Ro vessel many decks are used for the carriage of both rolling and container cargoes, as such it is most useful if a deck socket accepts both __________.

    Y a. twist-Locks and lashing hooks
    N b. container locks and bridge fittings
    N c. bridge fittings and lashing hooks
    N d. twist-locks and container locks

4180: 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
    Y b. Lower the stern ramp, raise/open stern door, turn on ventilation for cargo holds
    N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open stern door
    N d. Turn on ventilation for cargo holds, raise/open stern door, lower the stern ramp

4180: 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
    Y b. Lower the stern ramp, raise/open stern door, turn on ventilation for cargo holds
    N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open stern door
    N d. Turn on ventilation for cargo holds, raise/open stern door, lower the stern ramp

4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )

    N a. 30 tons
    N b. 60 tons
    N c. 90 tons
    Y d. 120 tons