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
In a simple mechanical governor, the （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
To determine if the lube oil filter elements need changing, （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
What is the function of the thrust bearing?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.