A.Dry chemical (cartridge-operated)
B.Water (cartridge-operated)
C.Water (pump tank)
D.Carbon dioxide
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A.Fire ax
B.Flashlight
C.rigid helmet
D.Fresh air breathing apparatus
A.Conducts electricity
B.Difficult to store
C.Large volume necessary to be effective
D.Ineffective in powdered metal fires
A.Bouncing a straight stream of water off the overhead to create spray effect
B.Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil
C.Flooding a paint locker with CO2 and sealing the compartment
D.Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction
A.Water
B.Foam
C.Dry chemical
D.Carbon Dioxide
A.Water foam
B.Dry chemical powder
C.Water fog
D.Alcohol foam
最新試題
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
Where should life jackets be stowed?（）.
Which portable fire extinguisher is normally recharged in a shore facility?（）
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 characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?（）
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（）.
Which space(s) on your cargo vessel must have a fire detection system?（）
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
Which extinguishing agent is best for use on a magnesium fire?（）