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 bottom dead centre and closes at top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.3 0.5 0.15 0.7 0.3 0.5 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as Pre-ignition period Period of ignition Delay period Burning period Pre-ignition period Period of ignition Delay period Burning period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is Less May be more or less depending on engine capacity More Same Less May be more or less depending on engine capacity More Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by F.P. = P. F.P. = I.P./ P. - I.P. F.P. = I.P. - F.P. = P./I.P. P. F.P. = P. F.P. = I.P./ P. - I.P. F.P. = I.P. - F.P. = P./I.P. P. ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at 3000 rpm Any value independent of engine speed 1500 rpm 750 rpm 3000 rpm Any value independent of engine speed 1500 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
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