Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio of the petrol engine is controlled by Governor Fuel pump Injector Carburettor Governor Fuel pump Injector Carburettor ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Decrease Remain same None of these Increase Decrease Remain same None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by P./I.P. F.P. = P. P. P. - I.P. F.P. = I.P. - F.P. = I.P./ F.P. = P./I.P. F.P. = P. P. P. - I.P. F.P. = I.P. - F.P. = I.P./ F.P. = ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
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