A hmh flame speed is obtained in diesel engine when air fuel ratio is_______________?

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The term scavenging is generally associated with______________________?

A. 2-stroke cycle engines B. 4-stroke cycle engines C. aeroplane engines D. diesel engines E. high efficiency engines...

Flash point of fuel oil is __________________?

A. minimum temperature to which1 oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame B. temperature at which it solidifies or congeals C. temperature at which it catches fire without external aid D. indicated by 90% distillation temperature, i.e. when 90% … Flash point of fuel oil is __________________?Read More...

In a typical medium speed 4-stroke cycle diesel engine________________?

A. compression starts at 35° after bottom dead center and ends at top dead center B. compression starts at bottom dead center and ends at top dead center C. compression starts at 10° before bottom dead center and, ends just before top dead center D. may start and end anywhere E. none of the above...

The knocking in diesel engines for given fuel, will be__________________?

A. enhanced by increasing compression ratio B. enhanced by decreasing compression ratio C. unaflected by compression ratio D. first enhanced by increasig compression ratio upto a limit beyond which it will be suppressed E. dependent on other factors...

For low speed operation or for idling in petrol engines, the engine requirements are for_______________?

A. lean mixture B. theoretically correct mixture C. rich mixture D. any type of mixture E. lean/rich mixture depending upon capacity of engine...