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
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
A fire pump may be used for other purposes if（）.
CO2 extinguishes a fire by（）.
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（）.
A fire must be ventilated（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.
Each hand portable fire extinguisher must be marked with（）.
A fire in electrical equipment should be extinguished by using（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.