In the construction of a diesel engine, what is the purpose of end plates?（）
1、The crankcase of many diesel engines a
The crankcase of many diesel engines are kept under a slight vacuum by the （）.Ascavenging action of the pistonBpiston type vacuum pump taking suction off a differential manometerCgland exhausting manometerDcrankcase exhaust fa
2、The highest pressure in a diesel engin
The highest pressure in a diesel engine cylinder normally occurs （）.Aat TDCBbefore TDCCafter TDCDduring air starting
3、In a diesel engine, the time taken to
In a diesel engine, the time taken to heat the fuel particles, turn them into vapor, and bring about combustion is called （）Ainjection lagBignition delayCcompressionDturbulence lag
4、The exhaust system of a diesel engine
The exhaust system of a diesel engine is usually designed to remove exhaust gases and to （）Aprovide exhaust back pressureBprevent exhaust smoke emissionsCpower a reciprocating superchargerDmuffle exhaust gas noise
5、The marine diesel engine is a type of
The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.AprincipleBprincipalCcauseDcase
6、In a diesel engine, offers the heat en
In a diesel engine, offers the heat energy directly（）； works as working medium and changes the heat energy to mechanical energy（）Athe burni...