单项选择题
A.low sulfur content in the fuel B.a loose injector inlet connection C.late fuel injection D.high injection pressure
What is commonly used to create turbulence in a diesel ...
单项选择题What is commonly used to create turbulence in a diesel engine combustion system?（）
A.Shape of the piston crowns B.Increasing the compression ratios C.Increasing the piston crowns D.Increasing the turbocharger gear ratio
What causes diesel fuel to be ignited in the cylinder o...
单项选择题What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A.Spark plug B.Heat of compression C.Carburetor D.Glow plug
If a diesel engine fails to start，one of the likely cau...
单项选择题If a diesel engine fails to start，one of the likely causes is （）
A.low compression temperature B.low ambient air pressure C.high lube oil pump pressure D.high fuel oil booster pump pressure
