单项选择题
Which portable fire extinguisher is normally recharged in a shore facility?（）
A.Dry chemical (cartridge-operated)
B.Water (cartridge-operated)
C.Water (pump tank)
D.Carbon dioxide
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相关考题
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单项选择题
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
A.Fire ax
B.Flashlight
C.rigid helmet
D.Fresh air breathing apparatus -
单项选择题
Which is a disadvantage of Halon as a fire extinguishing medium?（）
A.Conducts electricity
B.Difficult to store
C.Large volume necessary to be effective
D.Ineffective in powdered metal fires -
单项选择题
Which firefighting method is an example of an indirect attack on a fire?（）.
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
