Internal Combustion Engines Air fuel ratio for idling speed of a petrol engine is approximately 0.41736111111111 0.62569444444444 0.042361111111111 0.20902777777778 0.41736111111111 0.62569444444444 0.042361111111111 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Increase Reduce Not effect None of these Increase Reduce Not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase power Increase efficiency Effect fuel economy Reduce weight and bulk for a given output Increase power Increase efficiency Effect fuel economy Reduce weight and bulk for a given output ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 6-12 kg/cm² and 250-350°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 20-30 kg/cm² and 450-500°C 6-12 kg/cm² and 250-350°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C 20-30 kg/cm² and 450-500°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will None of these Remain same Decrease Increase None of these Remain same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug All of these ANSWER DOWNLOAD EXAMIANS APP
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