A.pushing
B.centrifugal
C.stretch
D.compressive
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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
A.crankshaft
B.connecting rod
C.cross-head
D.main beating
最新試題
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
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 （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Routine monitoring of a diesel engine should include （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）