A.black
B.red
C.orange
D.yellow
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A.Start each fire pump
B.Launch and run a lifeboat
C.Inventory rescue and fire equipment
D.Inspect fire hoses
A.outside
B.on class C fires
C.in an emergency
D.on class B fires
A.Burning oil
B.Electrical
C.Paint
D.All of the above
A.cooling
B.smothering
C.oxygen dilution
D.breaking the chain reaction
A.heated gases flowing through ventilation systems
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship's metal
最新試題
Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
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 is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.
Each fire pump on a ship must have a pressure gauge located at（）.
Cargo transfer operations on a tanker need NOT be stopped when（）.
Control of fire on a ship should be addressed（）.
Automatic fire dampers in ventilation systems are operated by a（）.
Combustible gas indicators measure the presence of combustible gas as a percentage of the（）.
Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
Each fire hydrant must have at least one spanner and at least one（）.