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單項選擇題

When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.

A.look for a CO₂ extinguisher
B.use a soda acid extinguisher
C.shut off the fuel supply
D.smother the fire with rags

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單項選擇題

The three basic elements necessary for any fire are （）.

A.heat, gas, and flames
B.fuel, heat, and oxygen
C.heat, nitrogen, and fuel
D.fuel oil, nitrogen, and oxygen

單項選擇題

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

A.6 hours
B.12 hours
C.18 hours
D.24 hours