A.whatever
B.whenever
C.wherever
D.whoever
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A.scavenging
B.starting
C.cooling
D.blowing
A.make use of
B.have made the use of
C.by means of
D.make advantage of
A.are made of
B.are made from
C.make use of
D.are used to
A.the clearance of the main bearing
B.the diameter of main bearing
C.the hardness of main bearing
D.the tolerance of main bearing
A.the clearance of the main bearing
B.the play of the miler bearing
C.the gap of the main bearing
D.the tolerance of the main bearing
最新試題
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
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?（）
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 （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The main purpose of the piston oil scraper rings is to （）.
White smoke exhausting from an operating diesel engine may indicate （）.