单项选择题
A.cold corrosion of the nozzles B.fuel viscosity for better atomization C.carbon accumulation on the nozzles D.fuel detonation in the cylinders
The rate of fuel injection in a diesel engine cylinder ...
单项选择题The rate of fuel injection in a diesel engine cylinder depends primarily on （）.
A.the size of the holes in the fuel nozzle B.timing of the pump C.supply pressure to the pump D.shape of the combustion chamber
The camshaft on a four-stroke/cycle diesel engine provi...
单项选择题The camshaft on a four-stroke/cycle diesel engine provides a means to operate the （）.
A.fuel injectors B.exhaust valves C.intake valves D.all of the above
A two-stroke diesel engine exhaust temperature will be ...
A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （） (1) scavenging air is cooling the exhaust gases (2) exhaust cycle time is longer
A.(1) only B.(2) only C.both (1) and (2) D.neither (1) nor (2)
