Carbon dioxide as a fire fighting agent has which advantage over other agents? （）

A、A.It causes minimal damage

B、B.It is safer for personnel

C、C.It is cheaper

D、D.It is most effective on a per unit basis

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更多“Carbon dioxide as a fire fighting agent has which advantage over other agents? （）”相关的问题

第1题

[单选题] （），as the chemical extinguisher agent，should be used for an electric fire.

A、dry chemical or foam B、foam or soda acid C、carbon dioxide or foam D、carbon dioxide or dry chemical

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第2题

[单选题] （）as the chemical extinguisher agent, should be used for a an electric fire.

A、Dry chemical or foam B、Foam or soda acid C、carbon dioxide or foam D、carbon dioxide or dry chemical

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第3题

[单选题] Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?（）

A、Carbon dioxide is corrosive when exposed to fire B、Carbon dioxide should be applied slowly to a large engine room fire C、Its total cooling effect is far greater than water D、Its smothering effect is excellent for class B fires

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第4题

[单选题] Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）

A、Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiation B、Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gas C、Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas D、This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas