单项选择题
Worn diesel engine intake valve guides can result in （）
A.increased engine breathing efficiency
B.excessive valve lash
C.excessive lube oil consumption
D.lower than normal fuel consumption
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相关考题
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单项选择题
If a diesel engine runs roughly, which of the systems listed is most likely to be at fault?（）
A.Fuel
B.Lubricating
C.Cooling
D.Ignition -
单项选择题
Excessive piston ring wear in a diesel engine will cause（）
A.high lube oil viscosity
B.increased lube oil consumption
C.low lube oil temperatures
D.high firing pressures -
单项选择题
In the voyage, when carrying out abandon ship drill, should be test every time（）.
A.the emergency lighting system for muster and abandon ship
B.air/oil emergency shut-down
C.M-Eemergency operation
D.main/auxiliary steering gear changing
