A.contaminating water
B.contaminated additives
C.contaminated fuel
D.contaminating impurities
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A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.by turning the pump plunger
B.by vary the fuel valve spring force
C.by no means by controlling the governor
D.by enlarging or diminishing the injection hole
A.counterbalance the crank throws on the crankshaft
B.keep the engine running smoothly between power stroke
C.provide a belt-driving surface for the operation of auxiliary machinery
D.prevent the engine from overspeeding
A.the cross-head
B.the pumps
C.the shell
D.the load
A.gear
B.nonpositive displacement
C.positive displacement
D.rotary
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What is the function of the thrust bearing?（）
The function of diesel engine piston compression rings is to （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine piston ring face is in direct contact with the （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
An automated diesel engine should normally shut down due to （）
Combustion knock occurring in a diesel engine can be caused by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
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 （）.