單項選擇題

If a firefighting situation calls for low-velocity fog you would（）.

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

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單項選擇題

If a hydraulic pump on a winch accidentally stops while hoisting,the load will stay suspended because（）.

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

單項選擇題

If a spill occurs,where would you log it?（）.

A.Oil record book
B.Bell book
C.Smopth logbook
D.Official logbook

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If a firefighting situation calls for low-velocity fog you would（）.

你可能感興趣的試題

If a hydraulic pump on a winch accidentally stops while hoisting,the load will stay suspended because（）.

If a spill occurs,where would you log it?（）.