A、cooling
B、smothering
C、oxygen dilution
D、breaking the chain reaction
更多“Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.”相关的问题
A、dry chemical or foam B、foam or soda acid C、carbon dioxide or foam D、carbon dioxide or dry chemical
A、Dry chemical or foam B、Foam or soda acid C、carbon dioxide or foam D、carbon dioxide or dry chemical
A、foam or soda acid B、dry chemical or foam C、carbon dioxide or dry chemical D、carbon dioxide or foam
A、foam or soda acid B、dry chemical or foam C、carbon dioxide or dry chemical D、carbon dioxide or foam
A、Dry chemical and carbon dioxide B、Foam (stored pressure) and soda-acid C、Carbon dioxide and foam (stored pressure) D、Dry chemical and soda-acid
A、Test the pressure gauge for correct reading B、Weigh the cartridge C、Replace the dry chemical D、Pressure test the discharge hose
A、A.is not an effective agent on Class B fires B、B.does little or no cooling C、C.dissipates quickly D、D.is rapidly absorbed by the liquid
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