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 fire detection system is actuated by sensing a heat rise in a compartment?（）
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?（）
When used to fight fire，carbon dioxide（）.
Which extinguishing agent is the best for use on electrical fires?（）
Which extinguishing agent is most effective on a mattress fire?（）
Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?（）
When two fire hose teams are attacking a fire they should（）.
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?（）
When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.
When must a dry chemical fire extinguisher be recharged?（）