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.


10: You are scheduled to load a bulk shipment of steel turnings. Which statement is TRUE?


17: The mooring line labeled "E" is called a(n) __________. (DO44DG )


27: 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 __________.


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

86: 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
    N c. centerline
    Y d. center of gravity

153: The proper way to correct a mistake in the logbook is to __________.

    N a. erase the entry and rewrite
    N b. draw several lines through the entry, rewrite, and initial the correction
    N c. completely black out the entry, rewrite, and initial the correction
    Y d. draw one line through the entry, rewrite, and initial the correction

461: Where is the best location to install a towing hook?

    N a. Forward of the towing bitts
    N b. On the fantail
    N c. Near the Norman Pins
    Y d. Just aft of amidships

481: Which U.S. agency assigns an official number to a vessel?

    N a. American Bureau of Shipping
    N b. Collector of Customs
    N c. Treasury Department
    Y d. Coast Guard

581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?

    N a. Amylene
    N b. Diisobutyl Phthalate
    N c. Oleic acid
    Y d. Vinyl acetate

612: When backing down with sternway, the pivot point of a vessel is __________.

    N a. at the bow
    N b. about one-third of the vessel's length from the bow
    N c. aft of the propellers
    Y d. about one-quarter of the vessel's length from the stern

624: A serving mallet is used in __________.

    Y a. covering wire or fiber rope
    N b. forcing fids into a line
    N c. dogging hatches
    N d. splicing lines

705: A tug may be in danger of tripping when __________.

    N a. towed sideways by an overwhelming force on the towline
    N b. her tow moves parallel to and forward on either side of the tug
    N c. the tow is no longer directly astern but moves up on her quarter
    Y d. All of the above

714: Using a safety factor of 6, determine the safe working load of manila line with a breaking stress of 8 tons.

    N a. 0.75 tons
    N b. 1.25 tons
    Y c. 1.33 tons
    N d. 8.00 tons

725: By law, a user of marijuana shall be subject to __________.

    N a. loss of pay during the period of such use
    N b. reprimand by the US Coast Guard
    Y c. revocation of license or certificate
    N d. termination of employment

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

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

813: The Officers Competency Certificates Convention of 1936 applies to all of these vessels operating seaward of the boundary line EXCEPT a/an ___________ .

    N a. offshore supply vessel over 200 gross tons
    N b. passenger vessel of 295 gross tons
    Y c. uninspected towing vessel of less than 200 gross tons
    N d. inspected towing vessel of 305 gross tons

838: You are going to load bales of wool having a stowage factor of 110 in #3 lower hold which has a bale cubic of 72,000. If broken stowage is figured at 15%, how many tons of the wool can be stowed?

    Y a. 556
    N b. 654
    N c. 752
    N d. 770

864: During the manufacture of line, yarns are twisted together in the __________.

    Y a. opposite direction from which the fibers are twisted together to form strands
    N b. same direction the fibers are twisted to form strands
    N c. opposite direction from which the fibers are twisted together to form the line
    N d. opposite direction from which the fibers are twisted together forming cables

886: Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?

    N a. Your speed will significantly increase.
    N b. Your draft will significantly decrease.
    Y c. Your bow will sheer towards the other vessel.
    N d. Your bow will sheer away from the other vessel.

897: Which factor(s) might indicate that a towline should be removed from service?

    N a. Visible damage to the towline, including fishhooks.
    N b. Measurements showing a decrease in diameter.
    N c. A surface condition of corrosion and discoloration.
    Y d. All of the above

940: When selecting the fuel oil tanks for the "burn-out" of bunkers during a voyage consideration of all of the following must be taken with the EXCEPTION of __________.

    Y a. flashpoint
    N b. stability
    N c. trim
    N d. list

993: Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?

    N a. Bow breast line
    Y b. Bow spring line
    N c. Inshore head line
    N d. Offshore head line

1188: An implied warranty of seaworthiness on the part of the vessel's owner lies in the __________.

    N a. Cargo Manifest
    N b. Certificate of Inspection
    N c. Classification Certificate
    Y d. contract of carriage, i.e. Bill of Lading

1243: You are on watch at sea and find it prudent to call the Master to the bridge due to traffic congestion. The moment that the Master officially relieves you of the conn is whenever __________.

    N a. a watchstander announces "Captain's on the bridge"
    N b. you call the Captain to the bridge in a traffic situation
    Y c. the Master specifically informs you that he has the conn
    N d. the Captain states the course being steered

1517: Which picture represents a timber hitch? (DO30DG )

    Y a. E
    N b. F
    N c. N
    N d. U

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.

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)

1605: The pivoting point of a vessel going ahead is __________.

    N a. near the stern
    N b. about two-thirds of the vessel's length from the bow
    N c. at the hawsepipe
    Y d. about one-third of the vessel's length from the bow

1729: The greatest strain, when lifting a load with the jumbo purchase, is on __________.

    N a. all of the parts, dividing the load equally
    Y b. the hauling part because it must absorb the frictional losses of all the sheaves
    N c. the parts in the movable block
    N d. the standing part because it is directly connected to the weight

1791: Which factor does NOT affect the required freeboard of a cargo vessel?

    N a. Season of the year
    N b. Geographic zone of operation
    N c. Density of the water
    Y d. Condition of trim in normal operation

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.

1889: The helm command "Nothing to the left" means do NOT __________.

    N a. use left rudder
    Y b. steer left of the ordered course
    N c. steer right of the ordered course
    N d. leave any buoys on the port side

2065: A continual worsening of the list or trim indicates __________.

    N a. negative GM
    Y b. progressive flooding
    N c. structural failure
    N d. an immediate need to ballast

2086: What is the mechanical advantage of tackle number 11? (DO29DG )

    N a. 7
    Y b. 6
    N c. 5.5
    N d. 5

2129: The exact and complete identification of all cargo on board must be found on the __________.

    Y a. Cargo Manifest
    N b. Mate's Receipt
    N c. Hatch Report
    N d. Loading List

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.

2163: What is the name of tackle number 7? (DO29DG )

    Y a. Runner
    N b. Inverted whip
    N c. Whip
    N d. Single purchase

2192: The part of a windlass which physically engages the chain during hauling or paying out is the __________.

    N a. devil's claw
    N b. bull gear
    Y c. wildcat
    N d. cat head

2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )

    N a. E
    Y b. F
    N c. N
    N d. P

2231: What is the mechanical advantage of tackle number 2? (DO29DG )

    N a. 0.5
    N b. 1
    Y c. 2
    N d. 3

2244: If you are loading fruit in reefer spaces and you notice that the fruit is beginning to mold, you should __________.

    N a. carry the cargo at a cooler temperature than originally planned
    Y b. write up exceptions on the cargo
    N c. refuse to carry the cargo
    N d. discharge CO2 into the compartment after loading

2261: The machinery associated with heaving in and running out anchor chain is the __________.

    N a. winch
    Y b. windlass
    N c. draw works
    N d. dynamic pay out system

2574: You are proceeding down a channel and lose the engine(s). You must use the anchors to stop the ship. Which statement is true?

    N a. Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold.
    N b. For a mud, mud and clay, or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake.
    Y c. Use one or both anchors with a scope of twice the depth before setting the brake.
    N d. Drop the anchor to short stay and hold that scope.

2590: Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?

    Y a. Crossing the spring lines
    N b. Slacking all forward running lines while keeping all after running lines taut
    N c. Doubling up on spring or breast lines
    N d. Slacking bow and stern lines

2742: The internal volume of a cargo hold measured from the inside of the side shell, the underside of the deck, and the tank top is known as the __________.

    N a. gross tonnage
    N b. deadweight space
    N c. measurement space
    Y d. grain cubic

2868: Which vessel, if navigating independently in ice, is more likely to become beset due to inadequate horsepower?

    N a. A 254 ft. "Whaleback" tanker with 1800 H.P.
    N b. A 309 ft. cement carrier with 2000 H.P.
    N c. A 385 ft. shallow draft tanker with 2400 H.P.
    Y d. A 630 ft. bulk ore carrier with 3500 H.P.

2868: Which vessel, if navigating independently in ice, is more likely to become beset due to inadequate horsepower?

    N a. A 254 ft. "Whaleback" tanker with 1800 H.P.
    N b. A 309 ft. cement carrier with 2000 H.P.
    N c. A 385 ft. shallow draft tanker with 2400 H.P.
    Y d. A 630 ft. bulk ore carrier with 3500 H.P.

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

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.

3105: On a sea going towing vessel of 150 GT, there are six (6) seamen in the deck crew. How many certificated able seamen are required if the voyage is over 600 miles?

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

3288: The angular movement of a vessel about a horizontal line drawn from its bow to its stern is __________.

    N a. pitching
    Y b. rolling
    N c. heaving
    N d. swaying

3372: The lead of a tow bridle is usually redirected with a __________.

    N a. bollard
    Y b. chock
    N c. pad eye
    N d. devil's claw

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

3450: Kort nozzles are installed around the propellers of some vessels to __________.

    Y a. increase the thrust of the propeller
    N b. protect the propeller from striking sawyers
    N c. prevent the propeller from striking barges towed on the hip
    N d. prevent the propeller from touching bottom in low water

4018: The BEST holding ground for conventional anchors is __________.

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

4127: Which lashing device(s) would be used in securing heavy vehicles aboard Ro-Ro vessels?

    N a. Buckle or ratchet tensioner
    N b. Webbing
    Y c. Chain
    N d. All of the above

4129: Which lashing materials would be used in securing light vehicles aboard Ro-Ro vessels?

    N a. Chain lever or turnbuckle
    Y b. Webbing
    N c. Chain
    N d. None of the above

4175: Which of the following is NOT necessary, prior to loading or discharging cargo on a Ro-Ro vessel?

    N a. Turn on ventilation for cargo holds.
    N b. Lower the stern ramp.
    Y c. Turn on the red cargo light.
    N d. Raise/open the stern door.

4211: Pedestal cranes have limit switches to restrict movement of which function(s)?

    N a. Hoist upper & lower limits
    N b. Luff travel limits
    N c. Rider block hoist upper & lower limits
    Y d. All of the above

4266: Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?

    N a. The cranes require shoreside assistance to handle heavy cargos.
    N b. The cargo discharge cannot be accomplished without pendulation.
    N c. The cargo discharge cannot be performed at anchor.
    Y d. The discharge is slow due to the size of the cargo and all the cranes working together.