In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of____________________?

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The inlet value of a four stroke cycle I.C engine remains open for nearly___________________?

A. 180° B. 125° C. 235° D. 200° E. 275°...

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...

Supercharging is essential in_____________?

A. diesel engines B. gas turbines C. petrol engines D. aircraft engines E. marine engines...

Detonation is caused by the following unstable compounds______________________?

A. peroxides, aldehydes and ketones B. peroxides, aldehydes, oxides and sul-phides C. aldehydes, oxides and ketones D. ketones and sulphur compounds E. none of the above...

In petrol engine, increase of cooling water temperature will_________________?

A. increase the knocking tendency B. decrease the knocking tendecny C. not affect the knocking tendency D. increase or decrease knocking tendency depedning on strength and time of spark E. unpredictable...