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.


16: When underway and proceeding ahead, as the speed increases, the pivot point tends to __________.


104: You are on watch at sea at night when a fire breaks out in #3 hold just forward of the bridge. You would NOT __________.


115: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.


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

284: The beam of a vessel refers to the __________.

    N a. depth between decks
    N b. internal cubic capacity
    N c. molded depth of the vessel
    Y d. width of the vessel

351: Which certificate is issued by the American Bureau of Shipping?

    N a. Certificate of Inspection
    Y b. Load Line Certificate
    N c. Safety Equipment Certificate
    N d. Permit to Proceed for repairs

394: The rope which is rove from the truck to be used with a bos'n's chair is called a __________.

    Y a. gantline
    N b. life line
    N c. strop
    N d. whip

405: At the establishment of Naval Control of Shipping (NCS), ships at sea will __________.

    N a. stop and await further orders
    N b. attempt to make their way to the nearest port of a friendly nation and await further instructions
    Y c. continue voyages unless in danger areas defined in the advisory or supplemental message
    N d. keep radio silence

495: Which space(s) is (are) deducted from gross tonnage to derive net tonnage?

    Y a. Boatswain's stores
    N b. Companions and booby hatches
    N c. Passenger spaces
    N d. All of the above

516: You are going ahead on twin engines with rudder amidships. Your starboard engine stalls. To continue on course, you should __________.

    Y a. apply left rudder
    N b. apply right rudder
    N c. increase engine speed
    N d. keep your rudder amidships

619: What is NOT a requirement for the safe and effective use of a crude oil washing system?

    N a. Strip all tanks and remove the bottom residue.
    N b. Use an inert gas system while washing tanks.
    Y c. Use portable washing machines to reach areas obscured by structural members in the tanks.
    N d. Decant one meter from the source tank for the tank cleaning machines.

769: The owner or Master of a towing vessel must ensure that each person that directs and controls the movement of the vessel knows all of the following EXCEPT ___________ .

    N a. the effects of maneuvering on the vessel and its tow
    N b. the speed and direction of any current for the area being transited
    N c. how to apply variation and deviation to readings from a magnetic compass
    Y d. the ownership of the vessel(s) being towed

853: Who is responsible for properly manning a vessel in accordance with all applicable laws, regulations and international conventions?

    N a. The (USCG) Officer in Charge of Marine Inspection
    N b. The (USCG) Captain of the Port
    N c. The owner or operator of the vessel
    Y d. The Master of the vessel

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

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

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

1050: The "margin plate" is the __________.

    Y a. outboard strake of plating on each side of an inner bottom
    N b. outer strake of plating on each side of the main deck of a vessel
    N c. plate which sits atop the center vertical keel
    N d. uppermost continuous strake of plating on the shell of a vessel

1119: A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a __________.

    N a. blind flange
    N b. pivot coupling
    N c. quick-release coupling
    Y d. spectacle flange

1183: Which towing equipment can be used to prevent the tripping of a tug?

    N a. Bridles
    N b. Chafing boards
    Y c. Gob ropes
    N d. Drogues

1236: You are docking a ship with a single-screw tug assisting on your starboard bow. How should the tug be tied up if you are anticipating that she will have to hold your bow off while you stem the current?

    N a. One head line would be sufficient.
    N b. The tug would need at least two head lines.
    N c. The tug should put a spring line up, leading astern on the ship.
    Y d. The tug should put a stern line up, leading ahead on the ship.

1260: The function of the bilge keel is to __________.

    Y a. reduce the rolling of the vessel
    N b. serve as the vessel's main strength member
    N c. add strength to the bilge
    N d. protect the vessel's hull when alongside a dock

1270: When a man who is conscious has fallen overboard is being picked up by a lifeboat, the boat should approach with the wind __________.

    N a. astern and the victim just off the bow
    N b. ahead and the victim just off the bow
    N c. just off the bow and the victim to windward
    Y d. just off the bow and the victim to leeward

1281: The agency most concerned with a stowaway is __________.

    N a. Customs
    Y b. Immigration
    N c. Public Health
    N d. U.S.D.A.

1311: Before arriving at the first U.S. port from foreign, you must fill out a Crewman's Landing Permit for each __________.

    N a. alien crewmember
    N b. crew member
    Y c. nonresident alien crewmember
    N d. unlicensed crew member

1322: 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 may refuse to take the seaman if the ship will not stop at a U.S. port within 30 days.
    N b. He is required to accept the seaman only if the seaman is medically unfit.
    Y c. He may refuse to take the seaman if the seaman has a contagious disease.
    N d. He is required to take the seaman under any circumstance.

1338: A "dangerous cargo manifest" is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this "manifest" from the __________.

    N a. manufacturer
    N b. ABS
    N c. Coast Guard
    Y d. shipper

1496: The purpose of a devil's claw is to __________.

    Y a. act as a chain stopper
    N b. prevent the windlass from engaging
    N c. prevent the chain from fouling on deck
    N d. control the wildcat

1526: One shot of anchor chain is equal to how many feet (meters)?

    N a. 6 (1.8 meters)
    N b. 15 (4.6 meters)
    N c. 45 (13.7 meters)
    Y d. 90 (27.4 meters)

1596: Using a scope of five, determine how many feet of chain you should put out to anchor in 12 fathoms of water.

    N a. 60 feet (18 meters)
    N b. 72 feet (22 meters)
    Y c. 360 feet (110 meters)
    N d. 450 feet (137 meters)

1648: When steaming through an anchorage, a shipmaster should __________.

    N a. avoid crossing close astern of the anchored ships
    Y b. avoid crossing close ahead of the anchored ships
    N c. keep the ship moving at a good speed to reduce set
    N d. transit only on a flood tide

1749: A sling is rigged on a piece of pipe weighing 1000 lbs. The angle between the sling legs is 140° and the legs are of equal length. What stress is exerted on each sling leg when the pipe is lifted?

    N a. 1318 lbs.
    N b. 1366 lbs.
    N c. 1414 lbs.
    Y d. 1462 lbs.

1764: The "square knot" is used for __________.

    N a. forming temporary eyes in lines
    Y b. joining two lines of equal size
    N c. keeping line from unlaying or fraying
    N d. joining two lines of different size

1781: Which organization usually assigns load lines to U.S. vessels?

    N a. National Load-Line Agency
    N b. National Shipping Bureau
    Y c. American Bureau of Shipping
    N d. American Regulations Council

1810: Using the graph shown, if the dry bulb temperature is 98°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )

    N a. 87%
    N b. 84%
    N c. 79%
    Y d. 65%

1824: What is the volume in a cone with a base diameter of 4.5 feet and a height of 3 feet?

    N a. 4.50 cubic ft.
    N b. 7.12 cubic ft.
    N c. 9.81 cubic ft.
    Y d. 15.90 cubic ft.

1857: The knot lettered T in illustration DO30DG is a __________. (DO30DG )

    N a. round turn and two half hitches
    Y b. French bowline
    N c. carrick bend
    N d. stopper hitch

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

1897: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. (Get Table Data)

    Y a. 43.19 numeral
    N b. 46.56 numeral
    N c. 49.92 numeral
    N d. 55.72 numeral

1966: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.

    N a. bow
    N b. bridge
    Y c. center of gravity
    N d. centerline

1970: The structural member indicated by the letter L is a __________. (D033DG )

    N a. web frame
    N b. bilge keel
    N c. side keel
    Y d. longitudinal

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.

2273: What is the area of a circle with a radius of 4 feet after a sector of 111° has been removed?

    N a. 3.90 sq. ft
    N b. 8.67 sq. ft
    Y c. 34.77 sq. ft
    N d. 50.27 sq. ft

2475: The use of liners in riveted construction is eliminated by using __________.

    N a. lapped construction
    N b. strapped construction
    Y c. joggled construction
    N d. belted construction

2524: Which entry on a dangerous cargo manifest concerning the classification of a cargo is NOT correct?

    N a. Class 8
    Y b. Division 3.1
    N c. Division 2.3
    N d. All of the above are incorrect

2629: Each open lifeboat carried on a vessel on an international voyage must have __________.

    N a. hand-propelling gear
    Y b. a davit span with at least 2 lifelines
    N c. a mast and a sail
    N d. a motor

2879: The vertical reference for all water levels and bench marks on the Great Lakes - St. Lawrence River System is known as __________.

    N a. Mean Sea Level Datum
    Y b. International Great Lakes Datum
    N c. Great Lakes Low Water Datum
    N d. North Central Reference Datum

2946: Which single-letter signal, when used by icebreakers on the Great Lakes, may be made by using the ship's whistle?

    N a. E
    N b. I
    Y c. M
    N d. None

3073: You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?

    N a. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn.
    N b. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law.
    Y c. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge.
    N d. The Pilot is solely responsible for the internal working of the ship.

3074: In securing a towing cable, consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by __________.

    N a. increasing the shaft RPM prior to release
    N b. using a pelican hook for quick release
    Y c. using preventers
    N d. using a short chain for the lead through the stern chock

3170: A license for apprentice mate (steersman) of uninspected towing vessels shall be renewed within what time period before or after the expiration date?

    N a. 30 days
    N b. 90 days
    N c. 6 months
    Y d. 12 months

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

3404: The signal man assisting the crane operator first taps the top of his head with his fist and then proceeds to use regular signals. This is the signal to __________.

    N a. use the whip line
    Y b. use the main hoist
    N c. use the auxiliary line
    N d. proceed slowly

3562: The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to __________.

    Y a. raise the boom
    N b. raise the hook
    N c. raise the boom and hook
    N d. check the boom stop

3740: Instructions to the crew in the use of all the ship's lifesaving equipment shall be completed __________.

    N a. before sailing
    N b. within one week of sailing
    N c. in one month and repeated quarterly
    Y d. within any two month period

3950: In general, an unreinforced vessel can safely navigate in ice provided the concentration does not exceed how many OKTAs?

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

4101: Which of the following is a characteristic of a Ro-Ro vessel?

    N a. Passenger tours available upon docking
    N b. Long port stays necessary to secure vehicles
    Y c. Short in port turnaround times
    N d. Heavy vehicles only require lightweight securing equipment

4159: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 3.5 Tons and 20 Tons, when carried on Ro-Ro vessels?

    N a. One
    Y b. Two
    N c. Three
    N d. Four

4226: What does item "E" refer to in this illustration of a 30-ton pedestal crane? (D045DG )

    Y a. Tagline
    N b. Electric cable
    N c. Cargo snaking wire
    N d. Hook release cable

4247: Which of the following statements is TRUE regarding crane operations?

    N a. Radio communications allow the crane operator to disregard the use of hand signals.
    Y b. The crane operators and signalman must be familiar with the correct hand signals.
    N c. The forward cranes can be operated from the bridge.
    N d. The aft cranes can be operated from the aft steering station.

4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?

    N a. Sound the general alarm.
    Y b. Return the control levers to the neutral positions.
    N c. Notify port security.
    N d. Hold the control levers all the way down.

4272: Which action should be taken immediately by the operator of a pedestal crane, if crane control is lost?

    N a. Increase power to the crane to regain control.
    N b. Place control levers in opposite positions.
    Y c. Let go of both control levers and return to the neutral positions.
    N d. Check the circuit breakers.