搜题

【单选题】

A portable foam fire extinguisher is placed in operation by（）

A、turning it upside down

B、pressing the foam lever

C、squeezing the grip handle

D、opening the hose valve

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更多“A portable foam fire extinguisher is placed in operation by（）”相关的问题

第1题

[单选题] Portable foam type fire extinguishers are most effective on（）.

A、mattress fires B、oil fires C、wood fires D、All of the above

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第2题

[单选题] Fire in the cabins. Close all fire doors and use the （）powder extinguisher.

A、dry B、wet C、foam D、portable

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第3题

[单选题] Which types of portable fire extinguishers are designed for use on electrical fires?（）

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

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第4题

[单选题] On a class “B” fire，which portable fire extinguisher would be the LEAST desirable?（）

A、Carbon dioxide B、Water (stored pressure) C、Dry chemical D、Foam

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第5题

[单选题] On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）

A、Carbon dioxide B、Water (stored pressure) C、Dry chemical D、Foam

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第6题

[单选题] A foam-type portable fire extinguisher is most useful in fighting a fire in（）.

A、generators B、oil drums C、the bridge controls D、combustible metals

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第7题

[单选题] A foam-type portable fire extinguisher is most useful in fighting a fire in（）.

A、generators B、oil drums C、the bridge controls D、combustible metals

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第8题

[单选题] Which portable fire extinguisher should be used on a class C fire on board a vessel?（）

A、Carbon dioxide B、Water (stored pressure) C、Foam D、Carbon tetrachloride

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第9题

[单选题] A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.

A、generators B、oil drums C、the bridge D、combustible metals

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