A.When attacking the fire directly
B.When using a steam smothering system
C.When using the fixed CO2 system
D.All of the above
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A.Blanket the cargo spill with foam
B.Prevent the spread of fire with a foam dam
C.Apply CO2 on burning fuel at its source
D.Shut off the transfer of cargo
A.Secure all engine room doors，hatches，and vents
B.Close the fuel line valve
C.Check the spread of the fire with foam
D.Cast the barge off the wharf
A.After each use
B.When the air temperature exceeds 90°F
C.Every 6 months
D.Every 12 months
A.goggles
B.ear plugs
C.soft-soled boots
D.fireman's outfit
A.threads are lubricated
B.nozzle is attached to the hose
C.female coupling has a gasket
D.hose is led out
最新試題
When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?（）
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）
Which extinguishing agent is effective in combating an isoprene fire?（）
Which firefighting method is an example of an indirect attack on a fire?（）.
Which extinguishing agent is most effective on a mattress fire?（）
When using a high-velocity fog stream in a passageway，the possibility of a blow back must be guarded against. Blow back is most likely to occur when（）.
When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.
Which extinguishing agent is the best for use on electrical fires?（）
When two fire hose teams are attacking a fire they should（）.