A.more than the working temperature
B.less than the working temperature
C.the working temperature
D.the same as the surrounding temperature
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A: Please tell me the specifications and quantity.
B: （）
A.Pump diesel oil first
B.300 tons of 180 cst fuel oil
C.The figure is all right
D.OK, I’ll sign it
A.of
B.up of
C.from
D.out
A.piston skirt
B.piston crown
C.guide way
D.cross-head
A.between；to
B.either；or
C.from；to
D.neither；nor
A.to help
B.to limit
C.to protect
D.to remove
最新試題
White smoke exhausting from an operating diesel engine may indicate （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
An automated diesel engine should normally shut down due to （）
Maximum horsepower of a diesel engine is attained （）.
Lube oil cannot be efficiently filtered if its （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Combustion knock occurring in a diesel engine can be caused by （）.
In a simple mechanical governor, the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.