Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is More Less Same May be more or less depending on engine capacity More Less Same May be more or less depending on engine capacity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 20-25 kg/cm² 90-130 kg/cm² 5-10 kg/cm² 60-80 kg/cm² 20-25 kg/cm² 90-130 kg/cm² 5-10 kg/cm² 60-80 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.002 second 0.004 second 0.003 second 0.001 second 0.002 second 0.004 second 0.003 second 0.001 second 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