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.


35: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated ROUTINE will be delivered within __________.


120: You are on a multiple-product tankship and scheduled to load a cargo classed as an aromatic amine. This cargo is incompatible with cargoes classed as __________.


185: Before a Master relieves a Pilot of the conn, the __________.


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

480: What is NOT a requirement for the preparation of used, gasoline-propelled cars if they are to be carried as ordinary cargo and not as hazardous cargo?

    N a. The engine must be run until it dies from lack of fuel.
    Y b. The fuel tank must be inerted with CO2.
    N c. The ignition key may not be in the ignition.
    N d. The vehicle must be inspected for fuel leaks.

508: When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold, you should __________.

    N a. secure all ventilation
    N b. shut down the exhaust blowers
    N c. shut down the intake blowers
    Y d. ventilate the cargo holds

622: A predictable result of a vessel nearing a bank or edge of a channel is that the __________.

    Y a. stern is drawn to the bank as the bow sheers off
    N b. bow sheers toward the bank
    N c. vessel continues in a straight line, but with greatly reduced maneuverability
    N d. vessel will be drawn bodily into the bank unless the engines are stopped

685: Which type of ballast is most commonly used in barges and ships?

    Y a. Water
    N b. Oil
    N c. Concrete and barite
    N d. Sand, rock and gravel

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

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

884: When towing astern, each towline must meet all of these requirements, EXCEPT ___________ .

    Y a. being suitable for use as soon as it is removed from its normal stowage location
    N b. having wire clips for other than a temporary repair
    N c. having the end either spliced with a thimble or fitted with a poured socket
    N d. being free of knots

965: While steering by autopilot you notice that the vessel has deviated 15 degrees from course and there is no corrective rudder being applied. As a standard operating procedure you should first __________.

    N a. check the setting of the rudder adjustment
    N b. check the setting of the weather adjustment
    Y c. switch to hand steering
    N d. immediately engage the trick wheel

1016: Your vessel is off a lee shore in heavy weather and laboring. Which action should you take?

    Y a. Put the sea and wind about two points on either bow and reduce speed.
    N b. Heave to in the trough of the sea.
    N c. Put the sea and wind on either quarter and proceed at increased speed.
    N d. Put the bow directly into the sea and proceed at full speed.

1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.

    N a. exemption space
    N b. tonnage deck
    N c. cofferdam
    Y d. tonnage opening

1059: You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?

    N a. Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned.
    N b. The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank.
    N c. The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue.
    Y d. Steam cleaning and water washing are both capable of generating electrostatic charges within a tank.

1068: You shall notify the nearest Coast Guard Marine Inspection Office as soon as possible when your vessel has been damaged in excess of __________.

    N a. $1,000
    N b. $1,500
    N c. $10,000
    Y d. $25,000

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

1160: In a longitudinally-framed ship, the longitudinal frames are held in place and supported by athwartship members called __________.

    N a. floors
    N b. margin plates
    N c. stringers
    Y d. web frames

1162: How does a vessel's rate of turn change when entering shallow water?

    N a. It is faster.
    N b. It is slower.
    Y c. There is no change.
    N d. It remains constant for varying propeller revolutions.

1187: You are taking the bow line from the port bow of a large vessel that is underway when the stern of your tug comes in contact with the vessel. The forward motion of both vessels causes your tug to be turned toward the other vessel and contact the stem thereby being "stemmed". You should immediately __________.

    N a. stop engines and the vessel's wake will push you clear of the bow
    Y b. go full astern with rudder amidships
    N c. go full ahead with the rudder hard over to starboard
    N d. go full ahead with the rudder amidships

1351: Your vessel is chartered under a time charter party. Under this type of charter party, your responsibility is __________.

    N a. solely to the charterer for all matters pertaining to cargo and ship administration
    N b. solely to the cargo shippers and consignees
    N c. solely to the owner, as under normal conditions
    Y d. to the owner for vessel administration and to the charterer for cargo operations and schedule

1475: As shown, the mooring line labeled "G" is called a(n) __________. (DO44DG )

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

1530: Shell plating is __________.

    N a. the galvanizing on steel
    N b. a hatch cover
    Y c. the outer plating of a vessel
    N d. synonymous with decking

1571: As Chief Officer of a vessel underway, it comes to your attention that the vessel is, in some manner, unseaworthy. Under such circumstances the Master is required to take action upon receiving __________.

    N a. information of such condition from yourself
    Y b. notification of such condition from yourself and the Second Officer
    N c. notification of such condition from yourself and any other member of the crew
    N d. notification of such condition from yourself or the Second Officer

1662: Under defense plans, operation of electronic aids to navigation may be temporarily suspended with __________.

    N a. one day's notice
    N b. thirty (30) days notice
    Y c. no notice
    N d. a week's notice

1674: Which is NOT a type of seizing?

    N a. Flat seizing
    N b. Racking seizing
    N c. Throat seizing
    Y d. Tube seizing

1690: Molded depth is measured from the __________.

    Y a. inside of the shell
    N b. outside of the shell
    N c. top of the center vertical keel
    N d. top of the garboard stake

1697: Using the graph shown, if the dry bulb temperature is 85°, and the wet bulb temperature is 73°, what is the relative humidity in a cargo hold? (D008DG )

    N a. 42%
    Y b. 55%
    N c. 67%
    N d. 85%

1717: With a large tow astern, there is immediate danger to the tug in the event of the __________.

    Y a. tug losing power
    N b. tow line parting
    N c. bridle twisting
    N d. tow broaching

1782: When evacuating a seaman by helicopter lift, which statement is TRUE?

    N a. The vessel should be stopped with the wind dead ahead during the hoisting operation.
    Y b. Flags should be flown to provide a visual reference as to the direction of the apparent wind.
    N c. The drop line should be grounded first then secured as close to the hoist point as possible.
    N d. The hoist area should be located as far aft as possible so the pilot will have a visual reference while approaching.

1799: The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the __________.

    Y a. lifting capacity of the winch
    N b. location of the boom
    N c. position of the guy
    N d. weight of the load

1941: The helm command "Left twenty" means __________.

    N a. change course twenty degrees to the left
    Y b. put the rudder left twenty degrees
    N c. put the rudder hard left for the first twenty degrees of swing
    N d. put the rudder left twenty degrees and then ease back as the vessel starts swinging

2008: When towing another vessel, the length of the towing line should be __________.

    N a. as long as possible
    N b. as short as possible under the circumstances and not over two wave lengths
    N c. such that one vessel will be on a crest while the other is in a trough
    Y d. such that the vessels will be in step

2023: A mooring line leading at nearly right angles to the keel is a __________.

    N a. spring line
    N b. bow line
    N c. stern line
    Y d. breast line

2060: In polar regions you should NOT expect to see __________.

    N a. mirage effects
    N b. sea smoke
    Y c. extensive snowfall
    N d. false horizons

2143: Your vessel was damaged and initially assumed a significant list and trim; however, further increase has been slow. Based on this data, what should you expect?

    N a. The slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane area.
    Y b. The vessel can probably be saved if further flooding can be stopped.
    N c. The vessel will continue to slowly list and/or trim due to the free surface effect and free communication effect.
    N d. The vessel will suddenly flop to the same or greater angle of list on the other side and may capsize.

2144: "Hard right rudder" means __________.

    N a. jam the rudder against the stops
    N b. put the rudder over quickly to 15 degrees right rudder
    N c. meet a swing to the right, then return to amidships
    Y d. put the rudder over to the right all the way

2144: "Hard right rudder" means __________.

    N a. jam the rudder against the stops
    N b. put the rudder over quickly to 15 degrees right rudder
    N c. meet a swing to the right, then return to amidships
    Y d. put the rudder over to the right all the way

2156: You are standing watch on entering port and the Master gives a rudder command which conflicts with a rudder command from the Pilot. You should ensure the helmsman __________.

    Y a. obeys the Master
    N b. obeys the Pilot
    N c. brings the rudder to a position midway between the two conflicting positions
    N d. asks the Pilot if he has relinquished control

2228: 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. Based on this data what is the transfer for a turn of 60°? (D035DG )

    Y a. 140 yards (126 meters)
    N b. 180 yards (162 meters)
    N c. 225 yards (203 meters)
    N d. 270 yards (243 meters)

2278: You will load and carry a bulk cargo of sulfur at ambient temperature. Which statement is true?

    N a. Wooden covers must be laid over the bilge wells to prevent the sulfur from entering the bilges.
    Y b. Bulk sulfur may be carried without a special permit providing the vessel complies with all applicable regulations.
    N c. The major characteristic of this cargo is that it forms sulfuric acid upon contact with water.
    N d. Other hazardous material may not be stowed in the same hold as the sulfur but may be carried on deck above the hold.

2286: Cargo that is highly susceptible to damage by tainting from odorous cargo is called __________.

    N a. clean cargo
    Y b. delicate cargo
    N c. dry cargo
    N d. immune cargo

2311: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.

    Y a. 10 minutes if possible
    N b. 1 to 6 hours
    N c. 30 minutes to 1 hour
    N d. 3 hours to start of business the following day

2376: A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?

    N a. On top of #1 hatch
    N b. Beside the hatches, forward of the midships house
    N c. On top of the hatch immediately forward of the midships house
    Y d. On top of the hatch immediately aft of the midships house

2558: A sling is a device used in __________.

    Y a. hoisting cargo aboard a vessel
    N b. hoisting personnel aboard a vessel
    N c. securing a small boat to a large vessel
    N d. hoisting the anchor

2836: Which of the Great Lakes is generally the last to reach its seasonal low and seasonal high water marks?

    Y a. Lake Superior
    N b. Lake Michigan
    N c. Lake Huron
    N d. Lake Ontario

2931: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.

    N a. 3 hours to start of business the following day
    Y b. 10 minutes if possible
    N c. 1 to 6 hours
    N d. 30 minutes to 1 hour

2956: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?

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

3150: You are moving a gas free tank barge to dry dock for repairs. The barge must have onboard a valid __________.

    N a. Gas Free Certificate
    Y b. Certificate of Inspection
    N c. Permit to Proceed and Hot Work Permit
    N d. All of the above

3327: The upward slope of a vessels bottom from the keel to the bilge is called __________.

    N a. camber
    N b. sheer
    N c. rake
    Y d. rise of bottom

3456: The vertical movement of a vessel in the water is called __________.

    N a. pitch
    N b. sway
    Y c. heave
    N d. roll

3561: A holder of a license as Operator of Uninspected Towing Vessels may work each 24 hours for a period not to exceed __________.

    N a. 24 hours
    N b. 18 hours
    Y c. 12 hours
    N d. 6 hours

3724: What part of the ground tackle is the most likely to develop fractures due to extensive anchor use?

    N a. Anchor shank
    N b. Swivel
    Y c. Jews' harp
    N d. Fluke

3770: SOLAS requires a lifesaving training manual be provided in each crew cabin or in the __________.

    N a. bridge
    N b. engineering control station
    Y c. recreation and messrooms
    N d. fire control room

4047: Your vessel is to dock bow in at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?

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

4058: Your vessel is equipped with mechanical davits. When stowing the lifeboat after a drill while underway, you should __________.

    N a. leave the tricing pendants slack
    Y b. ensure the falls are taut
    N c. leave the outboard part of the cradle in the down position
    N d. secure the inboard gripes only

4128: Which of the following lashing materials would be used in securing heavy vehicles aboard Ro-Ro vessels?

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

4179: Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel?

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

4230: Which of the following is/are the optional component(s) of a twin crane set as shown? (D047DG )

    N a. Boom assembly
    N b. Hook block assembly
    N c. Crane house assembly
    Y d. Rider block tagline system

4242: What is the advantage of the tandem working arrangement of pedestal cranes when operating cargo?

    N a. The cranes enable the handling of heavy cargos without shoreside assistance
    N b. The cargo discharge can be accomplished with controlled pendulation
    N c. The cargo discharge can be performed in port or at anchor
    Y d. All of the above