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.


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?


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


108: Damage to cargo caused by dust is known as __________.


111: You are the licensed Master of a towing vessels operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?

    N a. 1
    N b. 2
    Y c. 3
    N d. 4

142: What is NOT an advantage of centrifugal pumps over reciprocating pumps?

    N a. They pump more cargo in less time.
    N b. They are smaller for equivalent pumping ability.
    N c. They are less expensive.
    Y d. They require priming for stripping.

251: A seaman lost his continuous discharge book during the voyage. Upon discharge from Articles, he should be issued a __________.

    N a. letter of service on company letterhead signed and sealed by the master
    N b. Record of Entry in a Continuous Discharge Book for use in applying for a duplicate book
    Y c. Certificate of Discharge with the white copy forwarded to the Commandant
    N d. Mutual Release (CG-2119), and the articles should be annotated as to the loss

327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?

    N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine.
    Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off.
    N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes.
    N d. Each crew member working on deck must have an emergency escape breathing apparatus.

364: A long ton is __________.

    N a. 1,000 pounds
    N b. 2,000 pounds
    Y c. 2,240 pounds
    N d. 2,400 pounds

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

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

468: Sweat damage in a hatch full of canned goods in cartons will occur when the __________.

    N a. air temperature is higher than the temperature of the cargo
    N b. air temperature is lower than the temperature of the cargo
    Y c. dew point is higher than the temperature of the cargo
    N d. dew point is lower than the temperature of the cargo

542: Which best describes a "fishplate" used in towing?

    Y a. A triangular-shaped heavy steel plate with a round hole inset from each corner
    N b. A steel plate in the shape of a flat fish
    N c. A rectangular-shaped piece of heavy steel plate with four holes
    N d. A circular piece of heavy steel with three holes forming an equilateral triangle

603: To reduce the amount of catenary you may __________.

    Y a. shorten the hawser or increase the tug's speed
    N b. lengthen the hawser or reduce the tug's speed
    N c. place your tug in irons
    N d. make a sharp turn

607: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.

    Y a. scissor wire
    N b. towing wire
    N c. breast wire
    N d. cross wire

739: Camphor oil is classified as a grade __________.

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

780: Bilge keels are more effective at dampening rolls as the __________.

    N a. pitching increases
    N b. list increases
    Y c. rolling increases
    N d. draft decreases

830: On which vessels are the officers and deck crew allowed to operate under a two-watch system on voyages of less than 600 miles?

    N a. Towing vessels
    N b. Offshore supply vessels
    N c. Barges, when manned
    Y d. All of the above

868: You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 72,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage?

    N a. 493
    N b. 577
    N c. 602
    Y d. 648

879: Centrifugal pumps have what advantage(s) over reciprocating pumps?

    N a. They are less expensive.
    N b. They are smaller for equivalent pumping ability.
    N c. They pump more cargo in less time.
    Y d. All of the above

1076: You are underway in heavy weather and your bow is into the seas. To prevent pounding, you should __________.

    N a. change course, in order to take the seas at an 85 degree angle from the bow
    Y b. decrease speed
    N c. increase speed
    N d. secure all loose gear

1138: A vessel arrives in the port of Los Angeles from a foreign port and discharges some of its inward foreign cargo. What additional manifest is required?

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

1208: When making a wire fast to bitts it is recommended that you __________.

    N a. use only figure eights
    N b. take 2 round turns around one bitt, then make figure eights
    Y c. take 3 round turns around both bitts, then make figure eights
    N d. alternate round turns and figure eights around both bitts

1230: Which statement concerning solid floors is TRUE?

    N a. They must be watertight.
    Y b. They may have lightening, limber, or air holes cut into them.
    N c. They are built of structural frames connected by angle struts and stiffeners, with flanged plate brackets at each end.
    N d. They are lighter than open floors.

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."

1370: The strength of a deck will be increased by adding __________.

    N a. camber
    Y b. deck beam brackets
    N c. hatch beams
    N d. sheer

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

1571: As Chief Officer of a vessel underway, it comes to your attention that the vessel is, in some manner, unseaworthy. Under such circumstances the Master is required to take action upon receiving __________.

    N a. information of such condition from yourself
    Y b. notification of such condition from yourself and the Second Officer
    N c. notification of such condition from yourself and any other member of the crew
    N d. notification of such condition from yourself or the Second Officer

1608: Your ship is dead in the water with the rudder amidships. As the right-handed screw starts to turn ahead, the bow will tend to go __________.

    N a. to starboard
    Y b. to port
    N c. straight ahead
    N d. as influenced by the tide and sea

1611: 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 __________.

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

1661: Which document is NOT required by law to be posted aboard a vessel?

    N a. Certificate of Inspection
    Y b. Official Crew List
    N c. Officer's licenses
    N d. Muster list

1692: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2206 on it. This indicates that it is carrying what cargo?

    Y a. Isocyanates, n.o.s.
    N b. Propadiene, inhibited
    N c. Xylenol
    N d. Hexanols

1708: For the purpose of regulating tank vessels, flammable liquids are liquids which will __________.

    Y a. give off flammable vapors at or below 80°F (27°C)
    N b. have a Reid vapor pressure of 18 pounds or more
    N c. give off flammable vapors only above 80°F (27°C)
    N d. sustain combustion at a temperature at or below 100°F (38°C)

1786: You are anchoring in a river where the current is from one direction only. The best way to lay out two anchors is to have them __________.

    N a. directly in line with the bow
    N b. side by side, with their lines on the port and starboard side
    Y c. so that their lines form an angle
    N d. on top of one another

1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )

    N a. 57 lbs.
    N b. 42 lbs.
    N c. 39 lbs.
    Y d. 34 lbs.

1869: You are using tackle number 10 in illustration DO29DG to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )

    N a. 57 lbs.
    N b. 42 lbs.
    N c. 39 lbs.
    Y d. 34 lbs.

1928: Which towing method maintains the most control over the tow?

    N a. Tandem towing
    N b. Honolulu towing
    N c. Tandem tug towing
    Y d. Breasted tug towing

1963: What should you do to a line to prevent fraying where it passes over the side of the vessel?

    N a. Worm that part of the line.
    N b. Splice that part of the line.
    Y c. Cover it with chafing gear.
    N d. Install a cleat.

2015: During a period of "whiteout", you should expect which of the following?

    N a. Snowfall or blowing snow
    Y b. Lack of ability to estimate distance
    N c. Harsh contrast between sun-illuminated snow cover and the background
    N d. Hazy horizons with extensive mirage effects

2037: You are riding to a single anchor. The vessel is yawing excessively. Which action should be taken to reduce the yawing?

    N a. Veer chain to the riding anchor
    N b. Heave to a shorter scope of chain on the riding anchor
    N c. Drop the second anchor at the extreme end of the yaw and veer the riding anchor
    Y d. Drop the second anchor at the extreme end of the yaw, then adjust the cables until the scope is equal

2112: What is NOT surveyed at an annual load line survey?

    N a. The overall structure and layout of the vessel for alterations to the superstructure
    Y b. The bilge pumping system
    N c. Main deck hatch covers
    N d. Portholes and deadlights in the side plating

2116: What is the name of tackle number 10 in illustration DO29DG? (DO29DG )

    N a. Two-two purchase
    N b. Deck purchase
    Y c. Two-fold purchase
    N d. Double runner

2150: The vessel shown has broken down and you are going to take her in tow. The wind is coming from her starboard beam. You are making more leeway than she. Where should you position your vessel when you start running lines? (DO25DG )

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

2211: What is the mechanical advantage, neglecting friction, of tackle number 5? (DO29DG )

    N a. 2
    N b. 4
    Y c. 5
    N d. 5.5

2291: Before a Master relieves a Pilot of the conn, the __________.

    N a. Master must first request the Pilot to take corrective action
    N b. Master should agree to sign a release of liability form
    Y c. Master should foresee any danger to the vessel on the present course
    N d. vessel must be in extremis

2384: What is the volume of a sphere with a radius of 3 feet?

    Y a. 113.08 cubic ft.
    N b. 96.57 cubic ft.
    N c. 37.69 cubic ft.
    N d. 28.23 cubic ft.

2521: The period of roll is the time difference between __________.

    N a. zero inclination to full inclination on one side
    N b. full inclination on one side to full inclination on the other side
    Y c. full inclination on one side to the next full inclination on the same side
    N d. zero inclination to the next zero inclination

2542: When loading containers into the cell guides in the hold of a container ship, which statement is TRUE?

    Y a. No further securing is usually required.
    N b. Containers must have vertical lashings if they do not have twist lock securing.
    N c. All containers must have vertical and horizontal lashings.
    N d. The container must be locked into the cell guide.

2932: Which type of rudder may lose its effectiveness at angles of 10 or more degrees?

    N a. Contra-guide
    Y b. Balanced spade
    N c. Unbalanced
    N d. Flat plate

3004: What is NOT a basic shiphandling rule for navigating in ice concentrations on the Great Lakes?

    N a. Keep moving - even very slowly, but keep moving.
    N b. Work with the ice movement, not against.
    Y c. Transit ice along pressure ridges when possible.
    N d. Excessive speed means ice damage.

3239: Which term indicates the rise in height of the bottom plating from the plane of the base line?

    Y a. Deadrise
    N b. Camber
    N c. Molded height
    N d. Sheer

3275: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?

    N a. Damage to property amounting to $12,500
    N b. Loss of bridge-to-bridge radio capability
    N c. An injury requiring first aid treatment
    Y d. Accidental stranding or grounding

3293: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this message?

    Y a. R (ROUTINE)
    N b. P (PRIORITY)
    N c. O (IMMEDIATE)
    N d. Z (FLASH)

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

3472: 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 __________.

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

3511: The wheel on the windlass with indentations for the anchor chain is the __________.

    N a. grabber
    Y b. wildcat
    N c. locking ring
    N d. pawl

3686: If the towline parts, you should __________.

    N a. start pushing ahead
    N b. abandon the towing vessel
    Y c. retrieve the tow bridle
    N d. relieve strain on the retrieving line

4010: You have completed a crude oil wash. What action should be taken with the oil in the lines running to the washing machines?

    Y a. Open a COW nozzle forward and one aft and drain the line into the after tank by gravity
    N b. Blow the line out using compressed air
    N c. Pull a suction using the supply line pump
    N d. Close off all valves in the system and leave the oil in the line primed for the next crude oil wash

4133: What is used when securing light vehicles aboard Ro-Ro vessels?

    N a. Chain lever or turnbuckle
    N b. Chain
    N c. Wire
    Y d. None of these

4188: The most important safety consideration during loading or discharge aboard a Ro-Ro vessel is __________.

    N a. having all crewmembers and longshoremen wear hard hats
    Y b. the thorough ventilation of all cargo spaces
    N c. ensuring that visitors cannot come aboard
    N d. having the outboard anchor down

4379: When relieving the helm, the new helmsman should know the __________.

    N a. maximum rudder angle previously used
    N b. gyro error
    N c. variation
    Y d. course per magnetic steering compass