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
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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
A.accumulation of carbon dioxide gas that chokes the battery
B.accumulation of explosive and toxic gases the battery can generate
C.mildew or dry rot in the battery box
D.battery failure including battery case meltdown caused by excessive heat
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Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
Automatic fire dampers in ventilation systems are operated by use of（）.
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
Blocking open or removing fire dampers can cause（）.
A fire pump may be used for other purposes if（）.
Each fire hydrant must have at least one spanner and at least one（）.
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（）.
Each hand portable fire extinguisher must be marked with（）.
A fire starting by spontaneous combustion can be expected in which condition?（）.