Poor combustion in a diesel engine can be caused by ().
A、high compression pressure
B、low intake air temperature
C、low exhaust pressure
D、high scavenge air pressure
A、high compression pressure
B、low intake air temperature
C、low exhaust pressure
D、high scavenge air pressure
A、A.water in the fuel B、B.insufficient fuel for combustion C、C.clogged air intake passages D、D.burning lubricating oil
A、high compression pressure B、low intake air temperature C、low exhaust pressure D、high scavenge air temperature
A、high cost of fuel B、serious fire hazard C、possibility of pollution D、poor combustion which will occur in that cylinder
A、A.excessive surging at governed speed B、B.combustion knock under load C、C.poor fuel combustion D、D.all of the above
A、injection pressure B、shape of combustion space C、turbulence in combustion space D、all of the above
A、pump bearings in poor condition B、excessively worn actuator-piston packing C、broken directional control valve centering springs D、low hydraulic oil viscosity
A、removes combustible gases in the crankcase B、prevents the formation of combustible gases in the crankcase C、cools lubricating oil D、improves cold weather starting
A、Combustion does not begin until the piston starts down on the power stroke B、Maximum combustion pressure is reached before TDC C、Turbulence in the cylinder causes a delay in ignition D、Maximum cylinder firing pressure is not developed until the piston passes TDC