Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 20 bar 25 bar 10 bar 35 bar 20 bar 25 bar 10 bar 35 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about Half the operating speed 60 - 80 rpm 250 - 300 rpm One fourth of operating speed Half the operating speed 60 - 80 rpm 250 - 300 rpm One fourth of operating speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Unaffected Lower Dependent on other factors Higher Unaffected Lower Dependent on other factors Higher ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is Chemically correct mixture About 35% of rich mixture About 10% of rich mixture Uniform throughout the mixture Chemically correct mixture About 35% of rich mixture About 10% of rich mixture Uniform throughout the mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 130° 180° 270° 230° 130° 180° 270° 230° 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 Increase maximum pressure and maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Decrease maximum pressure and increase maximum temperature ANSWER DOWNLOAD EXAMIANS APP