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 A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 248 cm3 264 cm3 252 cm3 286 cm3 248 cm3 264 cm3 252 cm3 286 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. Lower Higher Same None of these Lower Higher Same None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.50069444444444 0.37569444444444 0.25069444444444 0.62569444444444 0.50069444444444 0.37569444444444 0.25069444444444 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? 4-stroke petrol engine Steam turbine 2-stroke petrol engine Diesel engine 4-stroke petrol engine Steam turbine 2-stroke petrol engine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Reducing the delay period Raising the compression ratio Increasing the inlet pressure of air All of these Reducing the delay period Raising the compression ratio Increasing the inlet pressure of air All of these ANSWER DOWNLOAD EXAMIANS APP
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