Class B fires are best extinguished by smothering, i-e（）.
- Adeprival of oxygen
- Bremoval of heat
- Cspraying of water
- Dinjecting of soda-acid
问题
Class B fires are best extinguished by
参考解析：
分类：船舶电气与船舶安全题库
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1、CO2 extinguishes a fire by （）.
CO2 extinguishes a fire by （）.Aa blanket of bubbles formed on the surface of the fireBsmotheringCcoolingDisolating the heat from the fuel
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Dry chemical fire extinguishers are effective on which type(s) of fire?（）ABurning oilBElectricalCPaintDAll of the above
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3、Foam extinguishes a fire by（）.
Foam extinguishes a fire by（）.Asmothering the burning materialBchemical combination with burning materialCabsorbing the burning materialDorganic destruction of the burning material
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4、Halon extinguishes a fire by（）.
Halon extinguishes a fire by（）.Abreaking the chain reactionBsmothering the fireCcooling the fireDcoating the fuel with a nonflammable surface
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6、A large oil fire is best extinguished
A large oil fire is best extinguished with（）Asoda acidBfoamCCO2Dsand