A.worn main bearing journals
B.torsional stress deformation
C.slack thrust bearings
D.bearing shells shim dimensions
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A.contaminated with sludge
B.contaminated with carbon
C.diluted with fuel oil
D.diluted with water
A.the solid impurities of large particle
B.the solid impurities of fine particle
C.the water content
D.both water and solid impurities
A.brought about
B.caused for
C.resulted from
D.led
A.sliding piston rings
B.engines camshaft
C.small pumps
D.forced feed system
A.excessive heat
B.friction
C.oxidation
D.high pressure
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
To determine if the lube oil filter elements need changing, （）.
Diesel engine control can be obtained by the bridge （）.
Proper filtering and straining of fuel oil is important because the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What is the function of the thrust bearing?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Lube oil cannot be efficiently filtered if its （）.
The function of diesel engine piston compression rings is to （）.