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.


121: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?


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


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


243: A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?

    N a. Length of the towline
    Y b. Height of the towline connection
    N c. Longitudinal position of the towline connection
    N d. Direction of opposing force

337: On a coastwise tugboat of 199 GT, on a voyage over 600 miles, what percentage of the deck crew (excluding licensed officers) must hold a document of able seaman?

    Y a. 65%
    N b. 50%
    N c. 25%
    N d. 0%

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

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

440: If a Master must jettison a container loaded with hazardous material, he must, as soon as possible, notify the __________.

    N a. National Cargo Bureau
    N b. Environmental Protection Agency
    N c. National Hazardous Chemical Response Center
    Y d. nearest Captain of the Port

529: When loading a tanker, you should __________.

    N a. load only one tank at a time
    N b. keep the seamen on watch on standby in the mess room
    N c. keep a strain on the loading hoses
    Y d. close valves by closing them down, reopening one or two turns, and re-closing

545: Repairing damage to the hull at or above the waterline reduces the threat of __________.

    N a. free surface effects
    N b. capsizing
    Y c. continued progressive flooding
    N d. wind heel

686: The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?

    Y a. It forces the bow away from the bank.
    N b. It forces the stern away from the bank.
    N c. It forces the entire vessel away from the bank.
    N d. It heels the vessel toward the bank.

687: The damage to a vessel is over $25,000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?

    N a. The vessel's agent
    N b. The owner of the vessel
    N c. The Master of the vessel
    Y d. Any one of the above

740: The extension of the after part of the keel in a single- screw vessel upon which the stern post rests is called the __________.

    N a. boss
    N b. knuckle
    Y c. skeg
    N d. strut

817: In illustration D044DG, the mooring line labeled "G" is called a(n) __________. (DO44DG )

    N a. forward spring line
    N b. forward breast line
    Y c. inshore bow line
    N d. offshore bow line

847: When towing astern what equipment should be stowed ready for use near the towline?

    N a. First aid kit
    Y b. Axe or cutting torch
    N c. Fire extinguisher
    N d. Chafing gear

876: You intend to overtake a vessel in a narrow channel. As you approach the other vessel's stern __________.

    N a. you will gain speed
    N b. both vessels will gain speed
    Y c. the vessels will drift together
    N d. the vessels will drift apart

885: How many wire clips must be used to make a temporary repair to a tow wire?

    N a. 3
    N b. 4
    Y c. 5
    N d. Wire clips are never, under any circumstances, permitted

979: A cargo of oil has a coefficient of expansion of .0005 per degree F. If this cargo is loaded at 70°F, and a cargo temperature of 90°F is expected at the discharge port, how many barrels would you expect to unload if you loaded 10,000 barrels?

    N a. 9,900
    N b. 9,990
    N c. 10,010
    Y d. 10,100

1044: Using a safety factor of 6, determine the safe working load of a line with a breaking strain of 30,000 pounds.

    N a. 4,000 lbs.
    Y b. 5,000 lbs.
    N c. 20,000 lbs.
    N d. 100,000 lbs.

1142: The hitch used to secure the standing part of a gantline to the horns of a stage is a __________.

    Y a. marlinespike hitch
    N b. clove hitch
    N c. blackwall hitch
    N d. Killick hitch

1257: You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to effect the relief. Which of the following is exemplary of the statement that would officially transfer the watch?

    N a. You say to the mate going off watch, "Destination New York, course 283°, speed 16 knots."
    N b. The mate being relieved says, "You now have the watch, course 147°, speed 15 knots."
    N c. The mate being relieved says, "All in apparent good order, course 068° per gyro, 075° per standard."
    Y d. You say to the mate going off watch, "I relieve you, course 321° per gyro, 316° per standard."

1272: You are on a tankship carrying benzene in bulk. Which statement is TRUE?

    N a. No other cargoes may be carried due to the possibility of contamination by a carcinogen.
    N b. The crew quarters must have positive-pressure ventilation to prevent the fumes from entering the living spaces.
    N c. Benzene is not a cancer-causing agent.
    Y d. Personnel working in regulated areas must use respirators.

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

1298: A Master should file a marine note of protest if __________.

    N a. cargo was received at ship side which was damaged in land transit
    N b. longshore labor went on strike in the port causing undue vessel delay
    N c. portions of his vessel's cargo were illegally impounded in a foreign port
    Y d. the vessel encountered heavy weather which might have caused cargo damage

1299: Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom?

    N a. Cargo whip
    N b. Gooseneck fitting
    N c. Spider band
    Y d. Topping lift

1320: A cofferdam is __________.

    N a. any deck below the main deck and above the lowest deck
    N b. a member that gives fore-and-aft strength
    Y c. made by placing two bulkheads a few feet apart
    N d. a heavy fore-and-aft beam under the deck

1491: While underway, part of your cargo is damaged by fire. In marine insurance terms this partial loss is called __________.

    N a. absolute total loss
    N b. constructive total loss
    N c. general average
    Y d. particular average

1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?

    N a. One shot of chain for every ten feet of water
    Y b. One shot of chain for every fifteen feet of water
    N c. One shot of chain for every thirty feet of water
    N d. One shot of chain for every ninety feet of water

1610: The joint formed when two steel shell plates are placed longitudinally side to side is called a __________.

    N a. bevel
    N b. bond
    N c. strake
    Y d. seam

1633: The strongest way to join the ends of two ropes is with a __________.

    N a. back splice
    Y b. short splice
    N c. square knot
    N d. carrick bend

1637: Which statement about a vessel's stability while dry-docking is TRUE?

    Y a. Every ton of weight bearing on the blocks acts as if a ton of weight was removed at keel level.
    N b. When the ship touches the blocks, the beam for stability purposes increases to the beam of the dry-dock.
    N c. The stability of the vessel increases as a dock is pumped out due to the support of the keel blocks.
    N d. As the dock begins to support the weight of the vessel, stability calculations are based on the ship and dock as a single unit.

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

1819: The stringer plate is represented by which letter? (D033DG )

    Y a. A
    N b. C
    N c. I
    N d. N

1993: The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is __________.

    N a. coiling the line
    Y b. faking down the line
    N c. flemishing the line
    N d. racking the line

1998: When towing in an open seaway, it is important to use a towing line __________.

    N a. made only of wire rope, due to possible weather conditions
    N b. that will have the tow on a crest while your vessel is in a trough
    Y c. that will have the tow on a crest while your vessel is on a crest
    N d. with little dip to gain maximum control of the tow

2050: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )

    N a. forward breast line
    N b. offshore spring line
    N c. onshore bow line
    Y d. offshore bow line

2074: You are proceeding to a distress site. The survivors are in liferafts. What will make your ship more visible to the survivors?

    N a. Steering a sinuous course
    N b. Steering a zig-zag course
    Y c. Turning on all available deck lights at night
    N d. Dumping debris over the side to make a trail to your vessel

2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )

    N a. This represents the load line marks when engaged on a voyage upon the Great Lakes.
    N b. The line directly under the triangle is at the same level as the summer load line.
    N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only.
    Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible.

2234: Keeping certain cargoes separated because of their inherent characteristics is known as __________.

    N a. overstowage
    Y b. segregation
    N c. spot loading
    N d. cargo typing

2243: You are using tackle number 4, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 11. What is the mechanical advantage of this rig? (DO29DG )

    N a. 4
    N b. 6
    N c. 10
    Y d. 24

2284: In determining the scope of anchor line to pay out when anchoring a small boat, one must consider the __________.

    N a. charted depth of water only
    Y b. depth of water, including tidal differences
    N c. type of line being used for the anchor rope
    N d. type of anchor being used

2389: What is the area of a circle with a diameter of 17 feet after a sector of 111° has been removed?

    N a. 36.94 square ft.
    Y b. 156.99 square ft.
    N c. 226.98 square ft.
    N d. 627.47 square ft.

2510: Mooring lines should be turned end-for-end occasionally. This is because __________.

    N a. a line is weakened by constantly pulling on it in one direction
    Y b. normal wear on the line is thus distributed to different areas
    N c. it prevents the line from kinking or unlaying
    N d. it prevents permanent misalignment of the line's internal strands

2569: When discharging an oil cargo, the first consideration is to __________.

    Y a. get the bow up
    N b. discharge from the wings first
    N c. discharge from the centerline tanks first
    N d. discharge from amidships first

2608: Most very large ocean going vessels, such as bulk carriers and large tankers, tend to squat __________.

    Y a. by the bow
    N b. by the stern
    N c. at the end nearest the bottom
    N d. evenly fore and aft

2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.

    Y a. speed of the tug and tow is less
    N b. towline catches the current
    N c. current causes yawing
    N d. current will offset the tow

2808: Under the forces of its own weight, the suspended length of line will fall into a shape known as a __________.

    N a. polygon
    N b. holding arc
    Y c. catenary curve
    N d. parabolic curve

2812: If a tug equipped with flanking rudders is to be turned in a confined circle, when going astern, the stern will move to port the quickest if __________.

    Y a. the rudder is hard to port and the flanking rudders are hard to port
    N b. the rudder is amidships and the flanking rudders are hard to port
    N c. the rudder is hard to port and the flanking rudders are hard to starboard
    N d. all rudders are hard to starboard

2979: Which statement about shipping coal is TRUE?

    N a. Anthracite will generate more methane than bituminous coal.
    N b. Coal should not be shipped while wet.
    Y c. Coal should be surface ventilated to remove methane gas.
    N d. The methane gas generated by coal will react with moisture on the ship's structure and accelerate corrosion.

3000: The pipe used to connect two separate piping systems on a tank vessel is known as a __________.

    Y a. crossover
    N b. transfer
    N c. connection
    N d. junction

3054: The phenomenon known as a "seiche" is most likely to occur on Lake Erie __________.

    N a. during the passage of a rapidly moving warm front
    Y b. when strong winds from the Northeast suddenly diminish
    N c. during the months of May through August
    N d. when the Moon and Sun are in alignment

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.

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

3396: A tow that veers to the side on the end of the towline is said to __________.

    Y a. yaw
    N b. surge
    N c. sway
    N d. swing

3451: After inventorying the Naval Control of Shipping publications you find there is no copy of ATP-2, Volume II "Allied Control of Shipping Manual - Bridge Supplement". You should ask for a replacement from the __________.

    Y a. Maritime Administration
    N b. Coast Guard
    N c. Chief of Naval Operations
    N d. local Operational Control Authority

3588: Conventional anchors are least likely to hold in a bottom consisting of __________.

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

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

4007: You are the 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?

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

4036: When a cargo boom or crane is rated at varying capacities, there will be a table at the controls which relates safe working load to __________.

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

4108: Any vehicle to be loaded aboard a Ro-Ro vessel must __________.

    N a. weigh less than 22 tons
    Y b. be provided with an effective braking system
    N c. have securing points with each aperture capable of accepting more than one lashing
    N d. All of the above

4185: How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?

    N a. Drape along brackets
    N b. Hang vertically in a sheltered area
    N c. Stow in bins at hatch coming side
    Y d. All of the above