A.will lift
B.will be lifted
C.will close
D.will be closed
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A.be jammed
B.be opened
C.be seated
D.be broken
A.more water contents
B.contamination with fuel oil
C.higher temperature
D.sufficient cooling of oil mist
A.is always less than 100%
B.is always more than 100%
C.is always equal to 90%
D.is always less than 90%
A.principle
B.principal
C.cause
D.case
A.two-stroke
B.four-stoke
C.long-stroke
D.short-stroke
最新試題
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
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 （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
What is the function of the thrust bearing?（）
The highest pressure in a diesel engine cylinder normally occurs （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.