Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）

[主观题]D．efault constructors with no parameters passed.

[单选题]Theoretical perfect combustion in a diesel engine yields by-products of_____.A．aldehydes and carbon dioxideB．water vapor and carbon monoxideC．nitrogen and carbon monoxideD．water vapor and carbon dioxide

[单选题]If the flame from combustion in the cylinder of a four-stroke engine past the piston into the space below, the accumulation of flammable mixture would be ignited, thus resulting in _____.A．the crankcase explosionB．lifting of the cylinder safety valve

[单选题]Fuel is delivered into the combustion space by （）.A . a cooling systemB . a lubricating systemC . an electric systemD . an injection system

[单选题]If the flame from combustion in the cylinder of a four-stroke engine past the piston into the space below, the accumulation of flammable mixture would be ignited, thus resulting in （）.A . the crankcase explosionB . lifting of the cylinder safety valv

[单选题]In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.A . cylinder linerB . cylinder coverC . pistonD . exhaust valve

[单选题]Successful combustion inside the cylinders of a diesel engine is dependent upon （）.A . fine atomizationB . high temperatureC . good mixing of fuel and airD . all of the above

[单选题]Theoretical perfect combustion in a diesel engine yields by-products of （）.A . aldehydes and carbon dioxideB . water vapor and carbon monoxideC . nitrogen and carbon monoxideD . water vapor and carbon dioxide

[单选题]A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）.A . double-acting engineB . opposed pistons engineC . single-acting engineD . horizontal acting engine

[单选题]C．ombustion knock occurring in a diesel engine can be caused by _____.A．low coolant temperatureB．insufficient fuelC．high ambient temperatureD．carbon buildup on the injector tips