A.64 cubic feet
B.35 cubic feet
C.100 gallons
D.500 liters
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A.first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B.in a circular motion from the middle of the bulkhead outward
C.to the top of the flaming area，sweeping from side to side，and working toward the bottom
D.in an up-and-down motion from one side of the bulkhead to the other
A.pressure builds up in the nozzle which causes a surge of water
B.the only opening in a passageway is the one from which the nozzle is being advanced
C.pressure in the fire hose drops below 100 psi
D.a bulkhead collapses due to heat and pressure
A.is effective if used promptly on an oil fire
B.has a greater cooling effect than water
C.is lighter than air
D.is harmless to cargo and crew
A.use different fire hose pressures
B.use fire hoses of different sizes
C.not attack the fire from opposite sides
D.not wear protective clothing
A.First aid kit
B.Axe or cutting torch
C.Fire extinguisher
D.Chafing gear
最新試題
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
Which extinguishing agent is the best for use on electrical fires?（）
Which portable fire extinguisher is normally recharged in a shore facility?（）
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Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane 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（）.
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Which extinguishing agent is best for use on a magnesium fire?（）
Where would you find the FCC authorization for transmitting on your ship’s EPIRB?（）
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