單項選擇題

The main purpose of warming the parts of the main engine is （）

A.to reduce heat stress
B.to reduce low temperature corrosion
C.to improve firing and starting performance
D.fuel saving

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單項選擇題

The main purpose of starting the diesel engine on air briefly is（）

A.to inspect if the cylinder has the water leakage
B.to expel out the residual water/gas/oil from the cylinder
C.to check if fuel supply is normal
D.A and B

單項選擇題

The purpose of engine stand-by is that （）

A.the main engine in the stand-by condition
B.auxiliary machinery in the stand-by condition
C.dynamical equipments in the stand-by condition and could be used immediately
D.A and B