The fire of sodium is classified as（） fire.

A、Class A

B、Class B

C、Class C

D、Class D

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更多“The fire of sodium is classified as（） fire.”相关的问题

第1题

[单选题] The success of an indirect attack on a fire depends on the（）.

A、size of the fire when initially observed B、complete containment of the fire C、cooling ability of the firefighting agent D、class of the fire

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第2题

[单选题] Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?（）

A、Sodium hydroxide B、Sodium carbonate C、Sodium nitrate D、Sodium polyphosphate

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第3题

[单选题] When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.

A、over the top of the flames B、off a bulkhead into the fire C、in front of the fire D、at the base of the fire

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第4题

[单选题] One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.

A、it can break down under high heat and emit noxious fumes B、it will decompose under prolonged storage and lose its effectiveness C、fire has been known to flash back over the surface of an oil fire D、it is ineffective in fighting fires in high-voltage electrical equipment

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第5题

[单选题] I believe that only in the purifying fire of sacrifice（）and the greatness of human soul（）.

A、is the dross of selfishness consumed； set free B、the dross of selfishness is consumed； setting free C、is the dross of selfishness consuming； sets free

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第6题

[单选题] The BEST method of applying foam to a fire is to（）.

A、spray directly on the base of the fire B、flow the foam down a nearby vertical surface C、sweep the fire with the foam D、spray directly on the surface of the fire

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第7题

[单选题] The usual method of effectively applying foam on a fire is by （）.

A、spraying directly on the base of the fire B、flowing the foam down a vertical surface C、sweeping the fire before you with the foam D、spraying directly on the surface of the fire