A.controlling the amount of fuel injected into the cylinders
B.varying the speed of the turbocharger
C.adjusting the compression ratio
D.changing the timing of the fuel injection camshaft
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A.Direct linkage between the ball-head and fuel rack
B.A servomotor
C.A compensating device
D.Flyweights
A.Stationary
B.Full floating
C.Semi-floating
D.Free rolling
A.less fuel will enter the cylinder
B.lower will be cylinder compression temperatures
C.more complete will be fuel combustion
D.more rapid will be the rise in combustion pressure
A.high compression pressure
B.low intake air temperature
C.low exhaust pressure
D.high scavenge air pressure
A.decreased piston to cylinder head clearance
B.increased exhaust system back pressure
C.early fuel injection timing
D.low scavenge air temperature
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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