A.to change the lube oil
B.have the lube oil purified
C.have the lube oil burnt
D.to analyze the lube oil
您可能感興趣的試卷
你可能感興趣的試題
A.not less than twice
B.greater at least twice than
C.not greater twice than
D.larger three times than
A.not be changed
B.be changed
C.should not be changed
D.should be changed
A.water discharges from the indicator cocks
B.no water is leaking into crankcase
C.no water in the scavenge belt
D.the rpm is lower than the speed of Dead Slow Ahead
A.viscosity
B.pressure
C.resistance
D.setting point
A.it is dirty
B.it is leaky
C.it has been renewed
D.all the above
最新試題
The function of diesel engine piston compression rings is to （）.
To determine if the lube oil filter elements need changing, （）.
White smoke exhausting from an operating diesel engine may indicate （）.
An automated diesel engine should normally shut down due to （）
A thrust bearing is used with a propulsion diesel engine to （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
In using reduction gears to obtain efficient propeller speeds, （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.