单项选择题
A.increased engine breathing efficiency B.excessive valve lash C.excessive lube oil consumption D.lower than normal fuel consumption
If a diesel engine runs roughly, which of the systems l...
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
Excessive piston ring wear in a diesel engine will caus...
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
In the voyage, when carrying out abandon ship drill, sh...
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
