單項選擇題

If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）

A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B.An electromagnetic brake will hold the load where it is suspended
C.The load will fall rapidly to the deck unless the foot brake is engaged
D.The load will slowly lower to the deck under control of the drag of the winch motor

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單項選擇題

How would the exhaust of a properly operating diesel engine appear?（）.

A.Light blue haze
B.Light brown haze
C.Light gray haze
D.Perfectly clear

單項選擇題

How should you warm up a diesel engine that has not been run for some time? （）

A.Run it at minimum speed for a period of time
B.Run it at half speed for a period of time
C.Bring it to top speed immediately
D.Inject ether into the air intake

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If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）

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How would the exhaust of a properly operating diesel engine appear?（）.

How should you warm up a diesel engine that has not been run for some time? （）

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If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur?（）