A． smoking exhaust from an operating diesel engine could be caused by( ).

A．low sulfur content in the fuel

B．a loose injector inlet connection

C．late fuel injection

D．high injection pressure

[单选题]The distance from TDC to BDC of the diesel engine is called （）.A . gapB . clearanceC . radiusD . stroke

[单选题]The color of the exhaust from a diesel engine should be （）A . clearB . hazy light brownC . hazy light blueD . hazy light grey

[单选题]E．xhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine byA．natural aspirationB．masked intake valvesC．air ceilsD．scavenging air

[单选题]The possibility of damage from operating a diesel engine at critical speeds is reduced by the use of（）.A . an isochronous governorB . elastic engine mountsC . a vibration damperD . a cast iron bed plate with good flexible qualitie

[单选题]White smoke exhausting from an operating diesel engine may indicate （）.A . a cracked linerB . burning lube oilC . an overloaded engineD . insufficient combustion air

[单选题]Compared with outcomes that result from collusion, independent action by co

[单选题]The doctor suggests that anyone who has a sore throat should _____ from alc

[单选题]The saying“He who dies rich, dies disgraced” properly means thatA． the wealthy people should give away their fortunes after deathB． the wealthy people should feel ashamed for their assetsC． the wealthy people should abandon their careers for charitie

[单选题]All else being equal, a company's cash flow from operating activities for 2

[单选题]Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）.A . fuel/water separatorsB . day tanksC . injector test standD . fuel filter