A.fresh water
B.sea water
C.lubrication
D.fuel oil
您可能感興趣的試卷
你可能感興趣的試題
A.valve loop
B.valve uniflow
C.valve overlap
D.valve grinding
A.the inlet valve is open
B.the exhaust valve is open
C.both valves are close
D.both valves are open
A.less than
B.greater than
C.equal to
D.twice larger than
A.less than
B.greater than
C.equal to
D.twice larger than
A.a working cycle
B.the operation
C.two fuel injections
D.events
最新試題
The ability of the governor to prevent fluctuations in engine speed is termed ().
Lube oil filters remove contaminants more efficiently if the oil being filtered is ().
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm ().
Combustion knock occurring in a diesel engine can be caused by ().
A diesel engine piston ring face is in direct contact with the ().
Proper filtering and straining of fuel oil is important because the ().
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in ().
Diesel engine control can be obtained by the bridge ().
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().
Maximum horsepower of a diesel engine is attained ().