A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
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A.just below the crankcase
B.the oil cup for the exhaust valve
C.the pan for collecting drain fuel oil
D.oil circulating pump
A.oil
B.sea water
C.air
D.fresh water
A.half the engine rotational speed
B.twice the engine rotational speed
C.the engine rotational speed
D.four times the engine rotational speed
A.increase its quality
B.obtain complete burning
C.reduce its weight
D.all of the above
A.a separator
B.oil
C.water
D.an oil collecting space
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An automated diesel engine should normally shut down due to （）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that 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 （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
What is the function of the thrust bearing?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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 （）.
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?（）