你可能感興趣的試題

If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.

A.notify the engineer on watch
B.isolate and secure the piping
C.throw sand on the fire
D.extinguish the fire using a combination nozzle with applicator

單項(xiàng)選擇題

The four basic components of a fire are chain reaction, heat, fuel, and （）.

A.carbon monoxide
B.oxygen
C.carbon dioxide
D.any gaseous substance

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Engines for lifeboats are required to have sufficient fuel to operate for how many hours?（）

你可能感興趣的試題

If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.

The four basic components of a fire are chain reaction, heat, fuel, and （）.