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單項選擇題

If your propeller is racing in rough weather，you should（）.

A.decrease your engine speed
B.ignore it
C.increase your engine speed
D.stop your engine until the rough weather passes

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單項選擇題

If you are unable to stop a diesel engine by any other means，you should（）.

A.discharge a CO₂ extinguisher in the air inlet
B.pull off the distributor cap
C.secure the jacket water
D.secure the starting air supply valve

單項選擇題

If ignited，which material would be a class B fire?（）

A.Magnesium
B.Paper
C.Wood
D.Diesel Oil

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