Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Any one of the listed here Red hot carbon deposits on cylinder walls Overheated spark plug points Cylinder walls being too hot Any one of the listed here Red hot carbon deposits on cylinder walls Overheated spark plug points Cylinder walls being too hot ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The rating of a diesel engine, with increase in air inlet temperature, will Increase parabolically Decrease parabolically Decrease linearly Increase linearly Increase parabolically Decrease parabolically Decrease linearly Increase linearly ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Dual combustion cycle Otto cycle Special type of air cycle Diesel cycle Dual combustion cycle Otto cycle Special type of air cycle Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
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 Opens at bottom dead centre and closes at top dead centre May open and close anywhere 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 Opens at bottom dead centre and closes at top dead centre May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, aromatics, paraffin Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, paraffin, aromatic ANSWER DOWNLOAD EXAMIANS APP