单项选择题

The best method of extinguishing a class A fire is to （）.

A.remove oxygen from the area
B.smother fire with foam
C.smother fire with CO₂
D.cool fuel below ignition temperature

相关考题

When approaching a fire from win ward, you should shiel...

单项选择题When approaching a fire from win ward, you should shield firefighters from the fire by using（）

A.low-velocity fog
B.high-velocity fog
C.a straight stream of water
D.foam spray

Diesel fuel vapors （）.A.can not be ignited by a spark u...

单项选择题Diesel fuel vapors （）.

A.can not be ignited by a spark unless the vapor is in a confined space
B.are nontoxic in all concentrations
C.can not be ignited by a spark unless they are at their auto-ignition temperature
D.are heavier than air

All of the following are part of the fire triangle EXCE...

单项选择题All of the following are part of the fire triangle EXCEPT （）.

A.fuel
B.oxygen
C.heat
D.electricity

船舶电气与船舶安全

The best method of extinguishing a class A fire is to （）.