单项选择题

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

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

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

单项选择题

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

单项选择题

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