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 statement is FALSE concerning precautions during fueling operations?（）
When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）
Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
Which characteristic is an advantage of Halon as a fire extinguishing medium?（）
Which extinguishing agent is the best for use on electrical fires?（）
Which firefighting method is an example of an indirect attack on a fire?（）.
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
Which extinguishing agent is most effective on a mattress fire?（）
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）