单项选择题
Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except （）
A.open the indicator cocks
B.supply some LO to cylinder liner wall with lubricator
C.put the fuel handle in the "stop" position
D.pump up the air bottle
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相关考题
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单项选择题
In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）
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 -
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 -
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
