Internal Combustion Engines The reason for supercharging in any engine is to Effect fuel economy Reduce weight and bulk for a given output Increase efficiency Increase power Effect fuel economy Reduce weight and bulk for a given output Increase efficiency Increase power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 50 and 85% Between 95 and 100% Between 85 and 95% Below 50% Between 50 and 85% Between 95 and 100% Between 85 and 95% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression May start and end anywhere Starts at bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre May start and end anywhere Starts at bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines During idling, a petrol engine requires _________ mixture. Lean Rich Chemically correct None of these Lean Rich Chemically correct None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression in the case of diesel engine is of the order of 12 kg/cm 35 kg/cm 20 kg/cm 6 kg/cm 12 kg/cm 35 kg/cm 20 kg/cm 6 kg/cm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS