Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. None of these Not effected Increase Decrease None of these Not effected Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is All of these To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful All of these To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 60-80 kg/cm² 90-130 kg/cm² 5-10 kg/cm² 20-25 kg/cm² 60-80 kg/cm² 90-130 kg/cm² 5-10 kg/cm² 20-25 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine, during suction stroke draws Air only Petrol only None of these A mixture of petrol and air Air only Petrol only None of these A mixture of petrol and air 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 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
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