单项选择题
In the fire main system, quick cleaning strainers are located at the（）.
A.pump suctions
B.pump discharge
C.fire hydrants
D.hose nozzle
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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 -
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
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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
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