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.


6: Which statement about a tunnel bow thruster is TRUE?


34: Your vessel has been loaded in a sagging condition. Enroute you encounter heavy weather and notice buckling in the midships deck plating of your vessel. To relieve the strain you could __________.


65: Under title 46 of the United States Code, the person in charge of a documented vessel who fails to report a complaint of a sexual offense may be __________.


72: You are in the process of loading 465,000 barrels of cargo oil. At 1030, on 5 November, you gauge the vessel and find that you have loaded 203,000 barrels. At 1200 you find that you have loaded 218,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.

    N a. 1510, 5 November
    N b. 1104, 6 November
    Y c. 1242, 6 November
    N d. 0735, 7 November

130: You are on a vessel carrying liquefied butadiene in bulk. Which document is NOT required to be either in the wheelhouse or easily accessible to the person on watch while underway?

    Y a. Cargo manual
    N b. Cargo information card
    N c. Certificate of Inspection
    N d. Shipping document

132: What is a characteristic of all centrifugal cargo pumps?

    N a. They are self-priming.
    Y b. Decreasing the speed of rotation will decrease the discharge pressure.
    N c. Opening the discharge valve wider will increase the discharge pressure.
    N d. All of the above

187: You are standing the wheel watch on entering port and the Master gives you a rudder command which conflicts with a rudder command from the Pilot. What should you do?

    N a. Ask the Pilot if he relinquishes control.
    N b. Obey the Pilot.
    Y c. Obey the Master.
    N d. Bring the rudder to a position midway between the two conflicting positions.

207: A towing vessel's capability is BEST measured by horsepower, maneuverability, displacement, and __________.

    N a. stability
    N b. propeller design
    Y c. bollard pull
    N d. towing winch horsepower

208: Your vessel has been damaged and you must shore a bulkhead. You should cut the shore __________.

    N a. approximately 1/2 inch longer than the measured length to allow for trimming
    Y b. approximately 1/2 inch shorter than the measured length to allow for wedges
    N c. approximately 1/2 inch shorter per foot of shoring to allow for wet expansion
    N d. to the same length as the measured length

413: A person is found operating a vessel while under the influence of alcohol. He/she is liable for __________.

    N a. imprisonment for up to three years
    Y b. a civil penalty of not more than $5,000
    N c. a fine of not more than $3,000
    N d. a fine of not more than $10,000

472: On a long ocean tow, the bridle should be made up of two equal lengths of __________.

    Y a. chain
    N b. wire
    N c. nylon
    N d. manila

534: Which is part of the ground tackle?

    N a. Charlie noble
    Y b. Devil's claw
    N c. Gooseneck
    N d. Rat's tail

548: Using the graph shown, if the dry bulb temperature is 55°F (13°C) and the wet bulb is 50°F (10°C), what is the relative humidity? (D008DG )

    N a. 55%
    Y b. 70%
    N c. 75%
    N d. 82%

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

572: A vessel is entering port "A" for the first time 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?

    N a. Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel.
    N b. State his concerns to the Pilot but do not interfere with the handling of the vessel.
    N c. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears.
    Y d. Recommend an alternative action and if not followed relieve the Pilot.

592: When a helmsman receives the command "Right 15 degrees rudder," the helmsman's immediate reply should be __________.

    Y a. "Right 15 degrees rudder"
    N b. "Aye Aye Sir"
    N c. "Rudder is right 15 degrees"
    N d. No reply is necessary, just carry out the order.

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

698: Which agency issues a certificate of loading that is evidence that the rules and regulations concerning bulk grain cargoes have been observed?

    N a. American Bureau of Shipping
    N b. Department of Agriculture
    Y c. National Cargo Bureau
    N d. Public Health Service

756: A licensed Master of Towing Vessels may NOT serve as the Captain of which towing vessel?

    N a. 99 GRT towing vessel operating on Chesapeake Bay
    N b. 199 GRT towing vessel operating in the Gulf of Alaska
    N c. 400 GRT towboat operating on the Western Rivers
    Y d. 375 GRT towing vessel operating between Texas and Puerto Rico

850: Panting frames are located in the __________.

    N a. after double bottoms
    N b. centerline tanks on tankships
    Y c. fore and after peaks
    N d. forward double bottoms

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

1058: 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 owner of the vessel
    N b. The Master of the vessel
    N c. The person in charge of the vessel at the time of casualty
    Y d. Any one of the above

1075: You are standing wheelwatch on entering port, and the Master gives you a rudder command that conflicts with a rudder command from the Pilot. What should you do?

    N a. Obey the Pilot
    Y b. Obey the Master
    N c. Ask the Pilot for guidance
    N d. Bring the rudder to midships

1237: 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. The watch is officially transferred to you after __________.

    N a. you state the vessel's charted position, present course and port of destination
    N b. the mate being relieved tells you the vessel's course and speed and states that you have the watch
    Y c. you say, "I relieve you" and you state the course per gyro and magnetic compasses
    N d. the mate being relieved says, "You have the conn" and you state the ship's course

1390: The body plan of a vessel is a(n) __________.

    Y a. endwise view of the ship's molded form
    N b. longitudinal side elevation view
    N c. plan made looking down on the ship, showing it's hull cut horizontally by the first set of planes
    N d. vertical view made looking up in the ship, with the keel at the center

1404: Galvanizing would not be suitable for protecting wire rope which is used for __________.

    Y a. cargo runners
    N b. mooring wires
    N c. shrouds
    N d. stays

1468: What will NOT reduce yawing of a tow?

    N a. Increasing the length of the towing hawser
    N b. Trimming the tow by the stern
    Y c. Stowing deck loads forward
    N d. Drogues put over the stern

1478: What does "in step" refer to in regards to towing?

    N a. The towed vessel follows exactly in the wake of the towing vessel.
    N b. There is no catenary in the towing hawser.
    N c. When turning, both the towed and towing vessels turn at the same time.
    Y d. Both the towed and towing vessels reach a wave crest or trough at the same time.

1614: Which bend or knot is used to tie a small line to a larger one?

    Y a. Becket bend
    N b. Bowline
    N c. Clove hitch
    N d. Lark's head

1683: "Herringbone" is a term associated with __________.

    N a. anchoring
    N b. mooring
    Y c. sewing
    N d. splicing

1719: What is a CORRECT reply to a pilot's request, "How's your head"?

    N a. "Steady"
    N b. "Eased to 10° rudder"
    N c. "Checked"
    Y d. "Passing 50°"

1795: Which knot represents a double sheet bend? (DO30DG )

    N a. F
    N b. L
    Y c. R
    N d. T

1809: The greatest horizontal stress between the heads of the booms in the yard and stay rig occurs when the load is in such a position that the __________.

    Y a. falls are at an equal angle to the horizontal
    N b. stay fall is vertical
    N c. stay fall is at a greater angle to the horizontal than the yard fall
    N d. yard fall is at a greater angle to the horizontal than the stay fall

1887: A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a __________.

    N a. snatch block
    N b. threefold purchase
    Y c. handy-billy
    N d. chockablock

1924: The knot lettered I as shown is a __________. (DO30DG )

    N a. square knot
    N b. round knot
    Y c. bowline on a bight
    N d. timber hitch

2070: Which statement about the Williamson turn is FALSE?

    Y a. It requires the highest degree of shiphandling skills to accomplish.
    N b. It is the slowest of the methods used in turning the vessel.
    N c. It is the best turn to use when the victim is not in sight due to reduced visibility.
    N d. It returns the vessel to the original track-line on a reciprocal course.

2119: You are coming to anchor in 8 fathoms of water. In this case, the __________.

    Y a. anchor may be dropped from the hawsepipe
    N b. anchor should be lowered to within 2 fathoms of the bottom before being dropped
    N c. anchor should be lowered to the bottom then the ship backed and the remainder of the cable veered
    N d. scope should be less than 3 times the depth of the water

2193: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed in illustration D035DG. Based on this data what is the tactical diameter of the turning circle? (D035DG )

    N a. 755 yards
    N b. 780 yards
    N c. 820 yards
    Y d. 880 yards

2272: Which knot is secure only when there is a strain on the line? (D030DG )

    N a. H
    N b. I
    Y c. L
    N d. P

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

2463: The crane manufacturer's load chart should be posted at or near the __________.

    N a. crane pedestal
    N b. wire rope locker
    N c. main deck
    Y d. crane control console

2488: A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?

    N a. The aluminum will provide greater resistance to the spread of fire by conduction.
    Y b. The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals.
    N c. If the superstructure is stressed, an aluminum structure requires additional expansion joints to prevent fracture.
    N d. The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion.

2489: A post on a dock or wharf used to secure mooring lines or hawsers is called a __________.

    N a. bitt
    Y b. bollard
    N c. cleat
    N d. capstan

2532: For a given weight of cargo, the stress on the heel block of a cargo boom __________.

    N a. increases as the cargo closes the head while hoisting
    N b. increases if the cargo runner is doubled up
    Y c. decreases as the boom is topped to a greater angle
    N d. is determined by the thrust stresses on the boom

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

2912: When tank cleaning with a portable machine, the weight of the machine is suspended from __________.

    N a. solid iron bars clamped to the Butterworth opening
    Y b. the supply hose
    N c. the suspension line, usually manila or natural fiber line
    N d. a wire rope suspension line

2938: Which statement concerning storm surges on the Great Lakes is FALSE?

    Y a. They are common along the deeper areas of the lakes.
    N b. They cause rapid differences in levels between one end of the lake and the other.
    N c. The greatest water level difference occurs when the wind is blowing along the axis of the lake.
    N d. If the wind subsides rapidly, a seiche effect will most likely occur.

2968: On the Great Lakes, winter storms compound the ice threat by bringing a variety of wind, wave, and weather problems on an average of every __________.

    N a. two days
    N b. three days
    Y c. four days
    N d. five days

3064: What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?

    N a. "I am going ahead; follow me."
    N b. "You should stop your vessel instantly."
    Y c. "Icebreaker support is now commencing."
    N d. "Icebreaker support is finished."

3420: A face line is used to __________.

    N a. prevent barge movement in a lock
    N b. secure two barges end-to-end
    Y c. secure barges to the towboat
    N d. secure barges side-by-side

3464: The ultimate or maximum strength of a wire rope is referred to as the __________.

    N a. operating strength
    N b. working load
    Y c. breaking strength
    N d. lifting load

3470: The section of each end of a barge which is heavily reinforced to take the pressure of pushing is called the __________.

    Y a. headlog
    N b. towhead
    N c. collision bulkhead
    N d. bullnose

3608: The horizontal port or starboard movement of a vessel is called __________.

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

4012: The purpose of item G is to __________. (D024DG )

    N a. distribute the vessel's thrust over a wider area
    N b. prevent the towboat from capsizing if item I should part
    Y c. prevent the knee from shifting when the rudder is put hard over
    N d. keep the barges from shifting fore and aft

4024: An icebreaker displaying a flag hoist which consists of the code letters "WO" (Whiskey Oscar) is indicating that __________.

    Y a. icebreaker support is finished
    N b. icebreaker support is commencing
    N c. the icebreaker is icebound
    N d. the icebreaker is beset

4090: The BEST holding ground for conventional anchors is_____.

    N a. very soft mud
    Y b. hard mud
    N c. shale
    N d. rock

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

4171: While loading or discharging vehicles, which is the most important safety consideration aboard a Ro-Ro vessel?

    Y a. Preventing the asphyxiation of personnel below decks
    N b. Notifying the engine room prior to completing operations
    N c. Calling out the deck department for all hands periodically
    N d. Ensuring that a fuel barge cannot come alongside

4251: Which action(s) is/are included in crane operations?

    N a. Single-mode set-up & operation
    N b. Twin-mode set-up & operation
    N c. Normal boom stowage and shutdown operation
    Y d. All of the above

4255: Which of the following statement(s) is/are TRUE regarding a twin pedestal crane set?

    N a. The cranes may be operated independently.
    N b. The cranes may be interconnected for twin operation.
    N c. When twinned, the crane rotation on the foundation assembly is unlimited.
    Y d. All of the above