单项选择题
A.pump suctions B.pump discharge C.fire hydrants D.hose nozzle
Where should muster lists be posted?（）A.In crews accomm...
单项选择题Where should muster lists be posted?（）
A.In crews accommodation spaces B.On the navigating bridge C.In the engine room D.All of the above
The best method of extinguishing a class A fire is to （...
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
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
