A.All engines，motors，fans，etc. should be shut down when fueling
B.All windows，doors，hatches，etc. should be closed
C.A fire extinguisher should be kept nearby
D.Fuel tanks should be topped off with no room for expansion
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A.Any compartment containing explosives
B.Any compartment adjacent to one containing explosives
C.Enclosed spaces which are specially suitable for vehicles
D.All of the above
A.Never remove the line from the rocket
B.Fire it at an angle of approximately 90 degrees to the horizon
C.Wear asbestos gloves
D.All of the above
A.Carbon dioxide
B.Water (stored pressure)
C.Foam
D.Carbon tetrachloride
A.Dry chemical (cartridge-operated)
B.Water (cartridge-operated)
C.Water (pump tank)
D.Carbon dioxide
A.Fire ax
B.Flashlight
C.rigid helmet
D.Fresh air breathing apparatus
最新試題
Which extinguishing agent is best for use on a magnesium 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 fire extinguishing agent can NOT be used on an ethylenediamine?（）
Which firefighting method is an example of an indirect attack on a fire?（）.
When should a fire be ventilated?（）
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?（）
Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
When used to fight fire，carbon dioxide（）.