Internal Combustion Engines In petrol engines, the delay period is of the order of 0.002 second 0.004 second 0.001 second 0.003 second 0.002 second 0.004 second 0.001 second 0.003 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 None of these ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Decrease maximum pressure and increase maximum temperature Increase maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Reduce maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Reduce maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet value of a four stroke cycle I.C engine remains open for nearly 200° 235° 125° 180° 200° 235° 125° 180° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the End of exhaust stroke End of suction stroke Beginning of suction stroke Beginning of exhaust stroke End of exhaust stroke End of suction stroke Beginning of suction stroke Beginning of exhaust stroke ANSWER DOWNLOAD EXAMIANS APP
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