Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Effect fuel economy Reduce weight and bulk for a given output Increase power Increase efficiency Effect fuel economy Reduce weight and bulk for a given output Increase power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a petrol engine is about 0.35 kg 0.3 kg 0.25 kg 0.2 kg 0.35 kg 0.3 kg 0.25 kg 0.2 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.042361111111111 0.41736111111111 0.62569444444444 0.20902777777778 0.042361111111111 0.41736111111111 0.62569444444444 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 60 - 80 rpm One fourth of operating speed Half the operating speed 250 - 300 rpm 60 - 80 rpm One fourth of operating speed Half the operating speed 250 - 300 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When crude oil is heated, then which of the following hydrocarbon is given off first? Gasoline Natural gas Paraffin Kerosene Gasoline Natural gas Paraffin Kerosene ANSWER DOWNLOAD EXAMIANS APP
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