Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.004 second 0.003 second 0.002 second 0.001 second 0.004 second 0.003 second 0.002 second 0.001 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the Beginning of suction stroke Beginning of exhaust stroke End of exhaust stroke End of suction stroke Beginning of suction stroke Beginning of exhaust stroke End of exhaust stroke End of suction stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Morse test is used to determine the I.P. of a Single cylinder petrol engine Four stroke engine Multi cylinder engine Single cylinder diesel engine Single cylinder petrol engine Four stroke engine Multi cylinder engine Single cylinder diesel engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 100 0 120 50 100 0 120 50 ANSWER DOWNLOAD EXAMIANS APP