A.the camshaft
B.the flange
C.the ridge
D.the bulge
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A.charge air receiver
B.scavenging air belt
C.turbine
D.air cooler
A.thrust block
B.sounding rod
C.connecting rod
D.push rod
A.a cooling system
B.a lubrication oil system
C.an electric system
D.an injection system
A.much
B.more
C.most
D.less
A.lower than；can lubricate
B.lower than；can cool
C.higher than；can enter
D.higher than ；cannot enter
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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 filters remove contaminants more efficiently if the oil being filtered is （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
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 （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The main purpose of the piston oil scraper rings is to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.