Internal Combustion Engines Which of the following fuel detonates readily? Alcohol Normal heptane Iso-octane Benzene Alcohol Normal heptane Iso-octane Benzene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Not effected Decrease Increase None of these Not effected Decrease Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of 0.37569444444444 0.62569444444444 0.75069444444444 0.50069444444444 0.37569444444444 0.62569444444444 0.75069444444444 0.50069444444444 ANSWER DOWNLOAD EXAMIANS APP
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 In a cycle, the spark lasts roughly for 0.1 sec 1 sec 0.001 sec 0.01 sec 0.1 sec 1 sec 0.001 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP