A.stop ventilation
B.stop the vessel
C.de-energize the circuit
D.apply water to extinguish the fire
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A.carbon dioxide
B.Halon 1301
C.dry chemical
D.water fog
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
最新試題
Any firefighting equipment that is carried in addition to the minimum required must（）.
According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
A fuel line breaks，sprays fuel on the hot exhaust manifold，and catches fire. Your FIRST action should be to（）.
An important step in fighting any electrical fire is to（）.
A passenger vessel is required to have a supervised patrol when（）.
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（）.
All portable fire extinguishers must be capable of being（）.
An advantage of a dry chemical over a carbon dioxide fire extinguisher is its（）.
A GROUP OF CREW MEMBERS TRAINED FOR FIGHTING FLOODING IN THE VESSEL are known as（）.
A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）