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.


19: The vessel's "quarter" is located __________.


97: Chafing gear should be placed __________.


154: A look-out at the bow sights an object on your port side. How many bell strokes should he sound?


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.

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

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

239: Flame screens are used to __________.

    N a. contain flammable fumes
    N b. protect firefighters from flames
    Y c. prevent flames from entering tanks
    N d. keep flames and sparks from getting out of an engine's exhaust system

310: Operators of Uninspected Passenger Vessels are required to keep their Coast Guard License aboard __________.

    N a. only when operating more than one mile from shore
    N b. only when operating at night
    Y c. only when carrying passengers for hire
    N d. At all times

326: In order to back a right-handed, single-screw vessel in a straight line, you will probably need to use __________.

    N a. very little rudder
    N b. some left rudder
    Y c. some right rudder
    N d. full left rudder

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

511: All U.S. Flag vessels engaged in foreign trade are required to have a(n) __________.

    N a. enrollment
    N b. license
    Y c. registry
    N d. sea letter

A dark appearance of the sky: A yellowish glare in the sky

    Y a. The presence of seals or certain type birds
    N b.
    N c.
    N d.

709: The designations A,B,C,D, and E grades of cargo refer to the __________.

    N a. degrees of quality of petroleum products
    Y b. flash point range and Reid vapor pressure index of petroleum products
    N c. grades of crude oil
    N d. pour point, color, and viscosity index of petroleum products

758: An IOPP Certificate on an inspected vessel is valid for what period of time?

    N a. 6 months
    N b. 1 year
    N c. 2 years
    Y d. 5 years

766: Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in __________.

    N a. waste of power
    N b. sudden sheering to either side
    N c. sluggish rudder response
    Y d. All of the above

797: A U.S. or foreign flag vessel that does not comply with the Officers Competency Certificates Convention of 1936 may be detained by certain designated officials. These officials include all of the following EXCEPT a/an ___________ .

    N a. Coast Guard officer
    N b. employee of the U.S. Customs Service
    N c. Coast Guard petty officer
    Y d. State Police officer

797: A U.S. or foreign flag vessel that does not comply with the Officers Competency Certificates Convention of 1936 may be detained by certain designated officials. These officials include all of the following EXCEPT a/an ___________ .

    N a. Coast Guard officer
    N b. employee of the U.S. Customs Service
    N c. Coast Guard petty officer
    Y d. State Police officer

815: A U.S. or foreign flag vessel that does not comply with the Officers Competency Certificates Convention of 1936 may be detained by certain designated officials. These officials include all of the following EXCEPT a/an ___________ .

    Y a. State Police officer
    N b. Coast Guard officer
    N c. Coast Guard petty officer
    N d. officer of the U.S. Customs Service

865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?

    Y a. 3,000 lbs
    N b. 5,000 lbs
    N c. 15,000 lbs
    N d. 65,000 lbs

888: You are going to load bales of wool having a stowage factor of 100 in #3 lower hold which has a bale cubic of 62,000. How many tons of the wool can be stowed in the compartment, assuming 10% broken stowage?

    N a. 520
    Y b. 558
    N c. 620
    N d. 654

923: An advantage of nylon rope over manila rope is that nylon rope __________.

    Y a. can hold a load even when a considerable number of the yarns have been abraded
    N b. can be stored on deck, exposed to sunlight
    N c. can be used in conjunction with wire or spring-lay rope
    N d. gives audible warning of overstress whereas manila does not

1007: When using the term "limber system" one is referring to a __________.

    N a. cleaning system
    Y b. drainage system
    N c. strengthening system
    N d. weight reduction system

1019: A tank holds 400 tons of sea water when filled. How many tons of liquid of specific gravity 0.9300 will it hold when filled to 90% capacity?

    Y a. 326.6
    N b. 343.2
    N c. 377.6
    N d. 390.2

1024: A natural fiber rope can be ruined by dampness because it may __________.

    Y a. rot
    N b. shrink
    N c. stretch
    N d. unlay

1030: If an attempt is made to hoist a load that exceeds the capacity of an electric winch, an overload safety device causes a circuit breaker to cut off the current to the winch motor __________.

    N a. when the line pull reaches the rated winch capacity
    Y b. after the line pull exceeds the rated winch capacity
    N c. after a short build-up of torque
    N d. immediately

1061: A vessel arrives at the port of San Francisco from Yokohama, Japan. The passengers fill out the Baggage Declaration and Entry form. A passenger has baggage arriving on another vessel. How must this baggage be handled for U.S. Customs purposes?

    N a. It need not be declared at this time.
    Y b. It must be declared on the same form and marked "Unaccompanied Baggage".
    N c. It must be declared on another form entitled "Continuation Sheet".
    N d. It must be declared only if the other vessel's name is known.

1192: A person has fallen overboard and is being picked up with a lifeboat. If the person appears in danger of drowning, the lifeboat should make __________.

    N a. an approach from leeward
    N b. an approach from windward
    Y c. the most direct approach
    N d. an approach across the wind

1302: Reinforcing frames attached to a bulkhead on a vessel are called __________.

    N a. side longitudinals
    N b. intercostals
    Y c. stiffeners
    N d. brackets

1310: Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?

    N a. Each vent for the tank must be equal to the area of the tank filling line.
    N b. The tanks must be protected by overflows.
    Y c. The total area of the vents or the overflow shall be at least 125% of the area of the fill line.
    N d. There must be twice as much vent area as the area of the fill line.

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

1483: The knot used to join two lines or two large hawsers for towing is called a __________.

    N a. square knot
    Y b. carrick bend
    N c. sheet bend
    N d. bowline

1527: A 30,000 DWT tankship is required to have an IOPP certificate when __________.

    N a. engaged in the coastwise trade
    N b. going foreign
    Y c. calling at ports in another country signatory to MARPOL 73/78
    N d. carrying cargoes listed in the MARPOL regulations

1576: Using a scope of five, determine how many shots of chain you should put out to anchor in 5 fathoms of water?

    N a. 1
    Y b. 2
    N c. 3
    N d. 5

1626: Using a scope of 6, determine how many feet of anchor cable you should put out to anchor in 12 feet (3.7 meters) of water.

    N a. 2 feet (0.6 meters)
    N b. 18 feet (5.5 meters)
    N c. 48 feet (14.6 meters)
    Y d. 72 feet (21.9 meters)

1688: Grade E combustible liquids have a flash point of __________.

    N a. 80°F to 150°F
    Y b. 150°F or above
    N c. 60°F to 100°F
    N d. 90°F to 120°F

1696: Mooring with two bow anchors has which major advantage over anchoring with one bow anchor?

    N a. The vessel will not reverse direction in a tidal current.
    Y b. The radius of the vessel's swing will be shortened.
    N c. A mooring approach may be made from any direction.
    N d. The vessel will not swing with a change in wind.

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

1820: If a drill required by regulations is not completed, the Master or person in charge must __________.

    N a. report this immediately to the Commandant of the Coast Guard
    Y b. log the reason for not completing the drill
    N c. conduct two of the required drills at the next opportunity
    N d. All of the above

1822: What is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?

    N a. Dangerous wakes may result from the swinging barge and capsize the tug.
    N b. The barge may swing too quickly and run over the tug.
    N c. Free surface effect of liquid inside the barge may rupture the barge bulkheads if the turn is too quick.
    Y d. The barge may pass under the hawser and capsize the tug.

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

1933: When checking a mooring line, you should __________.

    N a. ensure the bight is not fouled between the ship and the dock by taking up slack
    N b. pay out slack smartly and keep free for running
    N c. secure more turns to hold the line against any strain, then clear the area
    Y d. surge the line so that it maintains a strain without parting

1948: The Honolulu (Christmas tree) tow was devised to __________.

    Y a. keep the catenary to a minimum
    N b. allow easy removal of a center tow
    N c. reduce hawser length
    N d. increase the catenary

1997: What is the name of tackle number 12? (DO29DG )

    Y a. Threefold purchase
    N b. Davit tackle
    N c. Deck tackle
    N d. Gin tackle

1999: When shoring a damaged bulkhead, effort should be taken to spread the pressure over the __________.

    Y a. maximum possible area
    N b. minimum possible area
    N c. nearest watertight door
    N d. nearest longitudinal girder

2110: Your ship is carrying hazardous cargo. During a daily inspection, you notice that some of the cargo has shifted and several cases are broken. You should FIRST __________.

    N a. call out the deck gang to jettison the cargo
    N b. log the facts in the rough log and inform the Chief Mate later
    N c. make a determination of the seriousness of the breakage, and do what you think best
    Y d. report the facts immediately to the Master, who will make a decision

2164: What provides the majority of strength to an aluminum-sided container?

    N a. Corner fittings
    Y b. Framework, primarily the corner posts
    N c. Framework and siding acting as a girder
    N d. Aluminum side and end panels

2168: What is the name of tackle number 6? (DO29DG )

    N a. Triple purchase
    N b. Clew garnet tackle
    N c. Boat falls
    Y d. Threefold purchase

2177: Under normal weather and sea conditions when securing a stack of containers with non-locking fittings, lashings are required when the tier exceeds what height?

    Y a. Lashings are always required
    N b. One container
    N c. Two containers
    N d. Three containers

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

2562: As you hold a piece of manila line vertically in front of you, the strands run from the lower left to the upper right. Which type of line is this?

    Y a. Right-hand laid
    N b. Cable-laid
    N c. Sennet-laid
    N d. Water-laid

2980: What is a step in attaching a poured metal socket to a wire rope?

    Y a. Etch the wire with acid.
    N b. Install a wire seizing on the wire that will be inside the socket.
    N c. Ensure the fiber core is well lubricated.
    N d. Pour molten babbitt metal into the socket.

3075: You are proceeding under NCS (Naval Control of Shipping) when you wish to send a message concerning your ships diversion. Which precedence would you assign this message?

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

3096: When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to __________.

    N a. provide the proper trim
    N b. prevent negative stability from developing
    Y c. prevent excessive longitudinal stresses
    N d. control list

3210: A licensed Master of Towing Vessels may NOT serve as the person in charge 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. 500 GRT towboat operating on the Western Rivers
    Y d. 349 GRT towing vessel operating between Florida and Puerto Rico

3378: The part of the anchor indicated by the letter F is the __________. (D038DG )

    Y a. shank
    N b. bar
    N c. stock
    N d. shot

3392: What term indicates the midships portion of a vessel that has a constant cross section?

    N a. Half length
    N b. Amidships
    Y c. Middle body
    N d. Molded length

3491: You are the licensed Master of a towing vessel operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?

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

3776: The tankship Northland is loaded as shown. Use the salmon colored pages in the Stability Data Reference Book to determine the sagging numeral. (Get Table Data)

    Y a. 29.70 numeral
    N b. 33.63 numeral
    N c. 49.82 numeral
    N d. 58.33 numeral

4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?

    N a. Chain lever
    N b. Buckle tensioner
    Y c. Adjust-a-matic tensioner
    N d. Ratchet tensioner

4209: Pedestal cranes have limit switches to restrict the movement of which function?

    N a. Slew travel limits
    N b. Turntable limits
    N c. Luff travel limits
    Y d. All of the above

4275: During which condition should the operator of a pedestal crane shutdown operations?

    N a. Lightning
    N b. High winds
    N c. Fire aboard
    Y d. All of the above