A.fresh water
B.sea water
C.lubrication
D.fuel oil
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A.pushing
B.centrifugal
C.stretch
D.compressive
A.must replace
B.must to be equipped
C.has to be repaired
D.have to be renewed
A.larger than
B.smaller than
C.equal to
D.none of the above
A.chromium-plate against wear
B.anti-corrosion treated
C.white metal lined against wear
D.flame hardened against wear
A.to revolve
B.revolved
C.revolving
D.to be revolved
最新試題
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
An automated diesel engine should normally shut down due to （）
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The main purpose of the piston oil scraper rings is to （）.
Routine monitoring of a diesel engine should include （）.