Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = (B.P × I.P)/100 ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? Steam turbine 4-stroke petrol engine 2-stroke petrol engine Diesel engine Steam turbine 4-stroke petrol engine 2-stroke petrol engine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines High speed compression engines operate on Diesel cycle All of these Otto cycle Dual combustion cycle Diesel cycle All of these Otto cycle Dual combustion cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Acceleration in the rate of combustion Any one of these Increase in detonation Pre-ignition Acceleration in the rate of combustion Any one of these Increase in detonation Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Late auto-ignition High self ignition temperature of fuel Short delay period Low compression ratio Late auto-ignition High self ignition temperature of fuel Short delay period Low compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.62569444444444 0.50069444444444 0.25069444444444 0.37569444444444 0.62569444444444 0.50069444444444 0.25069444444444 0.37569444444444 ANSWER DOWNLOAD EXAMIANS APP