A.Conducts electricity
B.Difficult to store
C.Large volume necessary to be effective
D.Ineffective in powdered metal fires
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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
A.Manual fire detection system
B.Automatic fire detection system
C.Smoke detection system
D.Watchman's supervisory system
A.Foam
B.CO2
C.Dry chemical
D.Water fog
最新試題
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?（）
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）
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 firefighting method is an example of an indirect attack on a fire?（）.
Which extinguishing agent is most effective on a mattress fire?（）
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
Which portable fire extinguisher is normally recharged in a shore facility?（）
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）