A.carbon dioxide
B.Halon 1301
C.dry chemical
D.water fog
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A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above
A.pack-strap carry
B.two man extremities carry
C.fireman's drag
D.four man log roll
A.Fire a red flare at night or a red smoke signal by day
B.Send the Morse signal N by flashing light
C.Make a round turn (360°) and resume course
D.Make an S turn (hard right then hard left) and resume course
A.greater range
B.effectiveness on all types of fires
C.cleanliness
D.All of the above
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
最新試題
A marine chemist issues gas free certificates and is certified by the（）.
At the required fire drill conducted aboard a ship，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them（）.
All of the following are part of the fire triangle EXCEPT（）.
A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.
A galley grease fire on the stove may be extinguished using（）.
A ship must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement，you may use（）.
At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）
According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.
Any extinguishing agent used on a Class C fire must have which important property?（）