单项选择题
The function of the after-cooler installed between the turbocharger and intake manifold on some diesel engine, is to （）
A.increase the density of the intake air
B.decrease turbocharger power usage
C.reduce exhaust gas temperature
D.compensate for turbocharger PRM fluctuations
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相关考题
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单项选择题
High lube oil temperatures developing in a diesel engine can result from（）
A.high oil pressure
B.excessive bearing end play
C.plugged oil control rings
D.engine overload -
单项选择题
An increase in the fuel injection pump discharge pressure can be caused by a/an （）
A.leaking delivery valve
B.excessive bearing end play
C.plugged injector spray hole
D.increased plunger stroke -
单项选择题
An efficient seal between the cylinder block and cylinder heads on many diesel engines is obtained with（）
A.graphite packing
B.sealing compound
C.lubricating oil
D.gaskets
