Internal Combustion Engines The minimum cranking speed in case of petrol engine is about One fourth of operating speed 60 - 80 rpm Half the operating speed 250 - 300 rpm One fourth of operating speed 60 - 80 rpm Half the operating speed 250 - 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Thermal efficiency Power output Speed Fuel consumption Thermal efficiency Power output Speed Fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. Lower Same Higher None of these Lower Same Higher None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. Less Same None of these More Less Same None of these More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 30 to 40% 40 to 60% 75 to 90% 60 to 70% 30 to 40% 40 to 60% 75 to 90% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS