单项选择题
A.inflate the life raft on deck B.roll the life raft over the side C.go to another life raft station D.get a saw and cut the life raft free
A.order the engine room to reduce pressure on the fire pump B.put the lever on an all-purpose fire nozzle all the way forward C.attach a low-velocity fog applicator with the nozzle shut down D.put the lever on an all-purpose fire nozzle all the way back
A.a check valve will close that prevents reverse circulation B.a centrifugal counterweight counteracts the force of gravity C.the electric pump motor cut out D.the control lever will move to the stop position