High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).A.decreased piston to cylinder head clearanceB.increased exhaust system back pressureC.early fuel injection timingD.low scavenge air temperature
High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).
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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