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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 海上消防 > 燃烧与爆炸

单项选择题

During a fire drill on a ship，what action is required?（）

A.Start each fire pump
B.Launch and run a lifeboat
C.Inventory rescue and fire equipment
D.Inspect fire hoses

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Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.

A.outside
B.on class C fires
C.in an emergency
D.on class B fires
单项选择题
Dry chemical fire extinguishers are effective on which type(s) of fire?（）

A.Burning oil
B.Electrical
C.Paint
D.All of the above
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Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.

A.cooling
B.smothering
C.oxygen dilution
D.breaking the chain reaction
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