单项选择题
The purpose of compressing the air within the cylinder of a diesel engine is to （）
A.produce the heat for ignition
B.decrease injection lag
C.increase ignition delay
D.aid in exhausting burnt gases
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相关考题
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单项选择题
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 -
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
