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.


75: Frames to which the tank top and bottom shell are fastened are called __________.


149: A standard net barrel of petroleum products is __________.


190: You are on a vessel that carries liquefied gasses in bulk. The person on watch is required to have what information about the cargo easily accessible?


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

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

221: A vessel arrives in a foreign port and the Master is informed that the vessel is being sold to foreign interests. The new owners request that the crew remain on board to complete the voyage. Under these circumstances, the crew __________.

    Y a. has the right to an immediate discharge and transportation to original port of engagement
    N b. must remain on board
    N c. must comply with the decision made by the Master
    N d. must remain aboard until the vessel is delivered to the new owners at a mutually agreed upon port

240: The best way to lift many small articles aboard your vessel is with a __________.

    Y a. pallet
    N b. barrel hook
    N c. spreader
    N d. snotter

330: You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.

    N a. in the radio room
    N b. in the ship's office
    Y c. on or near the bridge
    N d. outside the Captain's stateroom

340: Argon is classified as a __________.

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

344: The purpose of a bilge well is to __________.

    N a. afford access to the shell through the double bottoms
    Y b. collect water to be pumped out
    N c. provide access for the pneumercator
    N d. provide a base line for sounding measurements

375: The best line for towing small vessels is __________.

    N a. three strand nylon
    Y b. double-braided nylon
    N c. polypropylene
    N d. manila

423: When securing a synthetic line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?

    N a. None
    N b. 1
    Y c. 2
    N d. 3

438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.

    N a. start the exhaust blowers
    N b. start the intake blowers
    Y c. not ventilate the cargo holds
    N d. ventilate the cargo holds

464: The static bollard pull of a tug is measured in tons and consists of the brake horsepower of the tug's engine divided by 100 and multiplied by a factor of __________.

    N a. 0.5
    Y b. 1.3
    N c. 3
    N d. 10

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

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

482: A lot of special cargo of similar cartons is to be loaded aboard your vessel. You examine one of the cartons of the lot shown. What is the total cubic space the consignment will occupy? (Assume no broken stowage.) (D042DG )

    N a. 51 cubic feet (1.5 cubic meters)
    Y b. 58 cubic feet (1.7 cubic meters)
    N c. 336 cubic feet (10 cubic meters)
    N d. 700 cubic feet (21 cubic meters)

609: While discharging a tanker, list can be controlled by __________.

    N a. shoreside personnel
    N b. using a center tank near the bow, discharging as necessary
    Y c. using wing tanks near the longitudinal center, discharging as necessary
    N d. using the after peak tank, loading as necessary

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

708: The National Cargo Bureau represents the __________.

    N a. agent
    N b. operator
    N c. shipper
    Y d. All of the above

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

867: Who may perform as a lookout?

    N a. A member of the engineering watch
    Y b. A member of the navigational watch
    N c. A member of the Stewards Department
    N d. All of the above

938: The deck load capacity of a compartment into which you intend to load a cargo of soft brick is 380 lbs. per sq. ft. The stowage factor of the brick is 21.3. Disregarding broken stowage, what is the maximum height the brick may be stacked without endangering the structure?

    N a. 1.7 feet
    Y b. 3.6 feet
    N c. 5.0 feet
    N d. 7.1 feet

950: The upward slope of a ships bottom from the keel to the bilge is known as __________.

    N a. camber
    N b. slope
    Y c. deadrise
    N d. keel height

985: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.

    N a. call the engineroom and report that you have lost steering
    N b. signal the engineroom to stop the engines
    Y c. shift the selector switch to the other steering system
    N d. call the Master

990: Freeboard is measured from the upper edge of the __________.

    N a. bulwark
    Y b. deck line
    N c. gunwale bar
    N d. sheer strake

1111: A vessel sailing from Liverpool to New York puts into Boston, Mass. for emergency repairs. If no inward foreign cargo is to be discharged at that port, which of the following documents is required?

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

1163: When piloting a vessel, how are visual references used to establish a constant rate of turn?

    Y a. Fixed objects that stay on the same relative bearing when the ship is turning indicate a constant rate of turn.
    N b. Visual references cannot be used to maintain a constant rate of turn.
    N c. Begin the turn when the fixed object is on the beam.
    N d. Keep the fixed object's relative relative bearing opening, for a constant rate of turn.

1165: The Muster List ("Station Bill") shows each person's lifeboat station, duties during abandonment, basic instructions, and __________.

    Y a. all emergency signals
    N b. instructions for lowering the lifeboats
    N c. the time each weekly drill will be held
    N d. work schedule

1195: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo when the damage arises from __________.

    Y a. unseaworthiness when sailing
    N b. insufficient packing
    N c. quarantine delays
    N d. mismanagement of the vessel

1244: Nylon line is NOT suitable for __________.

    N a. towing
    Y b. lashings
    N c. stoppers
    N d. mooring lines

1357: The area indicated by the letter G is known as the __________. (D033DG )

    N a. entrance
    N b. stringer plate
    Y c. turn of the bilge
    N d. garboard

1470: Signs of racking stresses generally appear at the __________.

    N a. bow and stern shell frames and plating
    Y b. junction of the frames with the beams and floors
    N c. garboard strake, at each side of the keel
    N d. thrust bearing of the main shaft

1557: When relieving the helm, the new helmsman should find it handy to know the __________.

    Y a. amount of helm carried for a steady course
    N b. variation in the area
    N c. leeway
    N d. deviation on that heading

1561: The Master of any vessel bound on a voyage must apply to a district court when an allegation of unseaworthiness has been made to the Master by __________.

    N a. any member of the crew of the vessel
    N b. any two officers of the vessel and a majority of the crew
    Y c. the First and Second Officers of the vessel or a majority of the crew
    N d. the First Officer of the vessel

1563: Which statement about two lines spliced together is TRUE?

    N a. Splicing is used to increase the circumference of each line.
    Y b. Splicing two lines together is stronger than knotting two lines together.
    N c. Splicing is used to increase the overall strength of the line.
    N d. Splicing is used to prevent rotting of the lines bitter end.

1565: While in dry dock your vessel will be belt-gauged. This process involves __________.

    N a. measuring the thickness of the tail shaft liner
    N b. taking the vessel's offsets to check for hull deformation
    N c. testing and examining the anchor cables for defective links
    Y d. drilling or sonic-testing the hull to determine the plate thickness

1628: You are going ahead on twin engines when you want to make a quick turn to port. Which actions will turn your boat the fastest?

    Y a. Reverse port engine; apply left rudder
    N b. Reverse port engine; rudder amidships
    N c. Reverse starboard engine; apply left rudder
    N d. Reverse starboard engine; rudder amidships

1756: When anchoring a vessel, it is best to release the anchor when __________.

    N a. going full astern
    N b. going full ahead
    Y c. going slow astern
    N d. dead in the water

1860: A towline should be fastened to __________.

    N a. the chocks at the bow of a towed vessel
    N b. the most forward, centermost point of a towed vessel such as a sturdy bow rail
    N c. the mast of a towed sailboat
    Y d. a secure fitting near the bow of the towed vessel

2149: When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?

    N a. The flukes may dig in unevenly and capsize the anchor when under stress.
    N b. The flukes may not dig in.
    Y c. The anchor may get shod with clay and not develop full holding power.
    N d. The anchor will tend to dig in and come to rest near the vertical.

2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.

    N a. 47.0°F
    N b. 51.5°F
    Y c. 59.0°F
    N d. 70.0°F

2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )

    Y a. 34%
    N b. 47%
    N c. 76%
    N d. 79%

2259: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 90°? (D035DG )

    N a. 490 yards
    N b. 350 yards
    Y c. 800 yards
    N d. 885 yards

2267: The knot lettered K in illustration DO30DG is a __________. (DO30DG )

    Y a. sailmaker's whipping
    N b. carrick bend
    N c. barrel hitch
    N d. stopper

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

2361: The BEST information on the nature and extent of damage to the vessel is obtained from __________.

    N a. alarms and monitoring devices
    N b. the engineroom watch
    Y c. personnel at the scene of the damage
    N d. the bridge watch

2397: Determine the area of a triangle with a base of 6.7 feet and a height of 9.1 feet.

    N a. 61.0 square ft.
    Y b. 30.5 square ft.
    N c. 22.9 square ft.
    N d. 15.8 square ft.

2738: Assume that your vessel has just entered Lake Michigan via the Straits of Mackinac and is proceeding south to Chicago. Which statement is TRUE with respect to the aids to navigation you will encounter along this route?

    N a. Aids to navigation are serviced jointly by the U.S. and Canadian Coast Guard.
    Y b. Red buoys should be passed down your starboard side.
    N c. Green buoys mark the location of wrecks or obstructions which must be passed by keeping the buoy on the right hand.
    N d. All solid colored buoys are numbered, the red buoys bearing odd numbers and green buoys bearing even numbers.

2745: While standing look-out at night, a dim light on the horizon will be seen quickest by looking __________.

    Y a. a little above the horizon
    N b. directly towards the light
    N c. a little below the horizon
    N d. quickly above then quickly below the horizon

2784: Which of the Great Lakes generally has the shortest navigation season?

    N a. Lake Erie
    N b. Lake Huron
    N c. Lake Michigan
    Y d. Lake Superior

2852: On a small passenger vessel the collision bulkhead is __________.

    N a. amidships forward of the engine room
    N b. just forward of the steering compartment
    N c. in the engine room
    Y d. A distance of 5% to 15% of the waterline length abaft the stem measured at the load waterline

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.

3030: The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a __________.

    N a. cargo fill
    Y b. line drop
    N c. transfer
    N d. branch line

3048: The proximity of pack ice may be indicated by __________.

    N a. changes in seawater salinity
    Y b. glare on clouds on the horizon
    N c. changes in air temperature
    N d. icebergs

3166: The American Consul has asked the Master of a vessel bound for a port in the U.S. to transport a destitute seaman back to the U.S. Which action may the Master take?

    N a. He must always take the seaman.
    N b. He is required to accept the seaman only if the seaman is medically unfit.
    Y c. He may refuse the seaman if the seaman has a contagious disease.
    N d. He may refuse to take the seaman if he is being held by shore authorities.

3262: Fracture damage to the end links of the anchor cable, or to the Jews' harp may be eliminated by __________.

    N a. using a small diameter connecting shackle
    N b. ensuring the swivel is well lubricated and free to turn
    N c. installing the connecting shackle with the bow towards the anchor
    Y d. securing a piece of wood to the Jews' harp

3432: A vessel is wind rode when it is __________.

    Y a. at anchor and heading into the wind
    N b. backing into the wind
    N c. carrying lee rudder
    N d. necessary to apply a leeway correction to the course

3480: When barge headlogs do not meet or are not even with one another, the void or opening between them is called a __________.

    Y a. notch
    N b. hole
    N c. spacing
    N d. gap

3654: Horizontal transverse motion of a vessel is known as __________.

    N a. pitch
    N b. surge
    Y c. sway
    N d. heave

4222: What does item "C" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    N a. Equalizing beam
    N b. Hoist fall spreader
    Y c. Rider block
    N d. Block/hook assembly

4443: You are signing on a deck officer, who will be designated as one of the GMDSS operators, before sailing foreign. Which statement is TRUE?

    Y a. He/she must have an STCW certificate endorsed as "Valid for Service on Vessels Operating in the GMDSS System".
    N b. He/she must present either an FCC-issued license or a Coast Guard-issued license.
    N c. You must consult the "List of Qualifications" on the reverse of his/her FCC-issued license.
    N d. His/her Merchant Mariners Document must have an added endorsement as "Radio Electronics Officer".