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.


22: A wildcat is a __________.


24: A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by __________.


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


66: Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?

    N a. With the wind from ahead
    N b. With the wind off the port beam
    N c. With the wind off the starboard beam
    Y d. With the wind from abaft the beam

99: What is meant by "thieving" a petroleum cargo?

    N a. Siphoning off a few barrels of petroleum for shipboard use
    Y b. Determining the amount of water (if any) in each cargo tank
    N c. Adjusting the cargo figures to coincide with the draft
    N d. Reducing the gross cargo calculations to net amounts

139: A "barrel" is a unit of liquid measure equivalent to __________.

    N a. 40 U.S. gallons at 50°F
    Y b. 42 U.S. gallons at 60°F
    N c. 43 U.S. gallons at 65°F
    N d. 45 U.S. gallons at 75°F

238: A shore is a piece of securing dunnage that __________.

    Y a. runs from a low supporting level up to the cargo at an angle
    N b. is also known as a "distance piece"
    N c. is placed on the deck under the cargo to distribute its weight evenly
    N d. is run horizontally from a support to the cargo

361: The strictest load line regulations apply to __________.

    N a. gas carriers
    N b. freighters (break-bulk)
    Y c. passenger ships
    N d. tankers

389: When hooking up a cargo hose to your vessel's manifold, you should use a(n)______________.

    N a. international shore connection
    Y b. insulating flange or single length of non-conducting hose
    N c. self-contained breathing apparatus
    N d. oxygen analyzer

392: Which statement is TRUE concerning insulating flanges?

    Y a. They should be inspected and tested periodically to ensure that the insulation is clean and in good condition.
    N b. Switching off a cathodic protection system may be substituted for using an insulating flange
    N c. The measured resistance value after installation should be less than 1,000 ohms.
    N d. After the insulating flange is installed, hot work may be performed on deck.

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

435: The amount of force a tug can exert on a stationary pull is called its __________.

    N a. brake horsepower
    N b. indicated horsepower
    N c. shaft horsepower
    Y d. bollard pull

463: A tow span __________.

    N a. prevents the towing hawser from snagging any equipment or gear on deck
    N b. may be equipped with a greased, free sliding spool to fairlead the towing hawser
    N c. allows the crew access to the fantail and to move safely on deck aft of the towing bitts or winch
    Y d. All of the above

486: You are backing on twin engines with rudders amidships. Your starboard engine stalls. To continue backing on course, you should __________.

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

487: One method of removing kinks from fiber rope is to __________.

    N a. coil the line against the lay
    Y b. tow the line astern until it straightens
    N c. stretch the line until it reaches its elastic limit
    N d. cut out each kink and splice

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.

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

776: In most cases, when a large merchant vessel enters shallow water at high speed the __________.

    N a. maneuverability will increase
    N b. speed will increase
    Y c. bow will squat farther than the stern
    N d. vessel will rise slightly, on a level plane

781: The trim and stability booklet must be approved by the __________.

    N a. International Maritime Organization
    N b. National Cargo Bureau
    N c. Society of Naval Architects and Marine Engineers
    Y d. United States Coast Guard

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

845: The terminology "able to understand any order spoken by the officers" refers to all of the following situations EXCEPT __________ .

    N a. in response to a fire
    N b. directing the use of lifesaving equipment
    Y c. for deck department crew members to understand the terminology used in the engine room
    N d. in response to a man overboard

932: When bunkering at a dock which of the following signals must be displayed?

    N a. A yellow flag by day, red light by night
    Y b. A red flag by day, red light by night
    N c. A green flag by day, green light by night
    N d. A red flag by day, a blue light by night

937: When towing astern, you notice that another vessel is about to pass between the towing vessel and the tow. You should immediately __________.

    N a. turn away from the approaching vessel
    N b. shine a spotlight in the direction of the approaching vessel
    N c. sever the towline
    Y d. slow down and pay out the main tow hawser

986: When running before a heavy sea, moving weights aft will affect the handling of a vessel by __________.

    N a. reducing rolling
    N b. increasing rolling
    Y c. reducing yawing
    N d. increasing yawing

989: You are loading 465,000 barrels of cargo oil. At 0900 you find that you have loaded 207,000 barrels. At 1030 you find that you have loaded 223,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.

    N a. 2100 that night
    N b. 0730 the next day
    Y c. 0910 the next day
    N d. 1215 the next day

1089: The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a __________.

    Y a. crossover
    N b. runaround
    N c. come-along
    N d. manifold

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.

1207: The Tonnage Certificate indicates __________.

    N a. deadweight tons
    N b. displacement tons
    Y c. net tons
    N d. light displacement tons

1234: Which type of line will stretch the most when under strain?

    N a. Polypropylene
    N b. Dacron
    Y c. Nylon
    N d. Manila

1251: What is NOT a primary function of the freight forwarder?

    N a. To book cargo space in advance
    N b. To execute, approve, and submit all shipping documents necessary to the particular shipment
    Y c. To provide financial assistance to the shipper when required
    N d. Clear the goods through customs

1341: The owners of the S.S. Short Haul agree to a charter with the Longsplice Steamship Company. The owners stipulate in the charter party that the regular Master must be employed as the vessel's Master for the entire life of the contract. Which charter has been affected?

    N a. Bareboat
    N b. Lease
    Y c. Time
    N d. Voyage

1441: Dead freight is the charge for the __________.

    N a. carriage of demise cargo
    N b. cost of transshipment of over-carried cargo
    N c. difference in the amount of cargo loaded and the amount of cargo discharged
    Y d. difference in the amount of cargo loaded and the amount of cargo booked, through no fault of the vessel

1452: The helm command "Check her" means __________.

    N a. test the steering control
    N b. read the compass heading
    N c. stop the swing using hard over rudder
    Y d. slow the swing using moderate rudder

1503: Which knot should be used to send a man over the side when he may have to use both hands?

    N a. Bowline
    Y b. French bowline
    N c. Bowline on a bight
    N d. Running 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

1637: Which statement about a vessel's stability while dry-docking is TRUE?

    Y a. Every ton of weight bearing on the blocks acts as if a ton of weight was removed at keel level.
    N b. When the ship touches the blocks, the beam for stability purposes increases to the beam of the dry-dock.
    N c. The stability of the vessel increases as a dock is pumped out due to the support of the keel blocks.
    N d. As the dock begins to support the weight of the vessel, stability calculations are based on the ship and dock as a single unit.

1639: All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the __________.

    N a. date of the test
    N b. load at which a test sample broke
    Y c. name of the vessel
    N d. number of strands and of wires in each strand

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

1780: The term that indicates how many tons of cargo a vessel can carry is __________.

    N a. bale cubic
    Y b. deadweight
    N c. gross tonnage
    N d. loaded displacement

1784: The "rolling hitch" could be used to __________.

    N a. join two lines of different sizes
    N b. join two lines of equal sizes
    N c. add strength to a weak spot in a line
    Y d. act as a stopper to transfer a line under strain

1835: Your vessel's operators send a message that your vessel has been consigned to Naval Control of Shipping. The message will refer you to __________.

    Y a. Radio Aids to Navigation (PUB 117)
    N b. the Coast Pilot
    N c. the International Code of Signals (PUB 102)
    N d. the Light List

1841: If a tow sinks in shallow water, you should __________.

    N a. release it immediately
    N b. attempt to beach it before it goes under
    Y c. pay out cable until it's on the bottom and place a buoy on the upper end
    N d. shorten cable to keep it off the bottom

1873: How much weight can you lift by applying 100 lbs. of force to a twofold purchase rigged to disadvantage (do not consider friction)?

    N a. 200 lbs.
    N b. 300 lbs.
    Y c. 400 lbs.
    N d. 500 lbs.

1888: How many legs does the bridle for an ocean tow have?

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

1929: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 10 feet?

    N a. 22.44 T
    N b. 11.22 T
    N c. 7.48 T
    Y d. 5.61 T

2108: You are the Master signing on a crew. In completing the articles, who should sign in the various places indicated for the Shipping Commissioner's signature?

    N a. After sign on, the articles are presented at the nearest Marine Inspection/Safety Office for signature.
    N b. The space is left blank.
    N c. A marine notary public must sign after sign on is complete.
    Y d. The Master.

2392: Determine the weight of a rectangular piece of 12.75 lbs. steel measuring 5 feet by 8 feet.

    Y a. 510.00 lbs.
    N b. 255.00 lbs.
    N c. 198.89 lbs.
    N d. 165.75 lbs.

2466: The pillar shape that gives the greatest strength for the least weight is the __________.

    N a. octagonal pillar
    N b. "H" Beam pillar
    N c. "I" Beam pillar
    Y d. circular type pillar

2534: Great Lakes vessels, using liferafts, must have sufficient liferaft capacity on each side of the vessel to accommodate at least __________.

    N a. 50% of the persons on board
    Y b. 100% of the persons on board
    N c. 100% of the persons normally assigned to those spaces
    N d. 150% of the crew

2744: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "I" (India) to signify that "___________________".

    N a. I am altering my course to starboard
    Y b. I am altering my course to port
    N c. I am operating astern propulsion
    N d. My vessel is stopped and making no way through the water

2812: If a tug equipped with flanking rudders is to be turned in a confined circle, when going astern, the stern will move to port the quickest if __________.

    Y a. the rudder is hard to port and the flanking rudders are hard to port
    N b. the rudder is amidships and the flanking rudders are hard to port
    N c. the rudder is hard to port and the flanking rudders are hard to starboard
    N d. all rudders are hard to starboard

2918: What is the period of validity of a De-Rat certificate?

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

3014: You are lifting a 3 ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom.

    N a. 1 1/8 inch
    Y b. 1 1/2 inch
    N c. 1 3/4 inch
    N d. 2 inch

3436: The signal man assisting the crane operator has one hand occupied and one fist in front of his chest with the thumb pointing outward and is tapping his chest with the heel of his fist. This is the signal to __________.

    N a. extend the boom
    N b. lower the boom
    Y c. retract the boom
    N d. hoist the boom

3440: The circular steel structure installed around the propeller of a towboat is the __________.

    Y a. nozzle
    N b. shroud
    N c. strut
    N d. hood

3462: Under U.S. law, what is the penalty for assaulting the Master?

    N a. Fine of not more than $1000
    N b. Fine of not more than $500 and/or imprisonment for not more than 1 year
    Y c. Imprisonment for not more than 2 years
    N d. Revocation of the Merchant Mariner's Document (and license if applicable)

3489: You are lifting a 5-ton weight with a single whip rove on a swinging boom set at an angle of 60° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom?

    N a. 1 inch
    N b. 1 3/8 inch
    N c. 1 1/2 inch
    Y d. 1 7/8 inch

4006: No hot work shall be performed on board a vessel with hazardous materials as cargo unless the work is approved by the __________.

    N a. American Bureau of Shipping
    Y b. local U.S. Coast Guard Captain of the Port
    N c. National Cargo Bureau
    N d. harbormaster

4178: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?

    Y a. Lower the stern ramp, raise/open the stern door, turn on ventilation for cargo holds
    N b. Turn on ventilation for cargo holds, raise/open the stern door, lower the stern ramp
    N c. Turn on ventilation for cargo holds, lower the stern ramp, raise/open the stern door
    N d. Raise/open the stern door, lower the stern ramp, turn on ventilation for cargo holds

4277: Which wire rope purchases may be used with a 30-ton pedestal crane?

    N a. Hoist
    N b. Luff
    N c. Rider block
    Y d. All of the above