單項(xiàng)選擇題

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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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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