A.main bearing shells
B.main bearing
C.steel
D.bearing metal
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A.inside the bearing
B.outside the bearing
C.covering the crankshaft
D.none of the above
A.seized
B.clogged
C.melted
D.inserted
A.sufficient quantity； measured
B.measured quantity；sufficient
C.excessive quantity；sufficient
D.the less quantity the better；the more the better
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.a filter
B.a strainer
C.a magnetic filter
D.a fine strainer
最新試題
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In a simple mechanical governor, the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The function of diesel engine piston compression rings is to （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
An automated diesel engine should normally shut down due to （）
Proper filtering and straining of fuel oil is important because the （）.
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 （）.