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
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（）.
Where should life jackets be stowed?（）.
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
Which precaution should be taken when testing a line throwing gun?（）
When two fire hose teams are attacking a fire they should（）.
When loading or discharging dry mud or cement，crew members should use facial respirator masks and（）.
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）