单项选择题
A.cooling water of the cooling system B.fuel of the FO system C.LO of the LO system D.cooling water of the cooling system and LO of the LO system
The main purpose of warming the parts of the main engin...
单项选择题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
The main purpose of starting the diesel engine on air b...
单项选择题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
The purpose of engine stand-by is that （）A.the main eng...
单项选择题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
