A.fixed foam systems to be ineffective
B.faster cooling of the fire
C.the accumulation of explosive gases
D.the fire to spread through the ventilation system
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A.secure the engine room ventilation
B.secure the machinery in the engine room
C.evacuate all engine room personnel
D.All of the above
A.immediately above the level of the oil
B.at the top of the tank
C.in the vent riser
D.one meter from the deck
A.fuel tanks
B.spark plugs
C.carburetors
D.distributors
A.remotely operated valves
B.fusible links
C.C02 system pressure switches
D.heat or smoke detectors
A.remote operated valve
B.fusible link
C.CO2 system pressure switch
D.heat or smoke detector
最新試題
Backfire flame arrestors are installed on（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
Before using a fixed CO2 system to fight an engine room fire，you must（）.
Dry chemical fire extinguishers are effective on which type(s) of fire?（）
Each part of the fire-main system located on an exposed deck must be（）.
Each hand portable fire extinguisher must be marked with（）.
During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
A fire in electrical equipment should be extinguished by using（）.
A fire pump may be used for other purposes if（）.