Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 20-30 kg/cm² and 450-500°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the speed of the engine is increased, the indicated power will Increase None of these Remain same Decrease Increase None of these Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Dependent on other factors Higher Unaffected Lower Dependent on other factors Higher Unaffected Lower ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Any one of these Acceleration in the rate of combustion Increase in detonation Pre-ignition Any one of these Acceleration in the rate of combustion Increase in detonation Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Polymerization is a chemical process in which molecules of a compound become Slowed down Liquid Smaller Larger Slowed down Liquid Smaller Larger ANSWER DOWNLOAD EXAMIANS APP
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