Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Decrease None of these Not effect Increase Decrease None of these Not effect Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, if diesel is used, then the engine will Run more efficiently Not run Explode Run at high speed Run more efficiently Not run Explode Run at high speed 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 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 6-12 kg/cm² and 250-350°C 12-20 kg/cm² and 350-450°C 4-6 kg/cm² and 200-250°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Increasing the temperature of intake air Decreasing the density of intake air Decreasing the pressure of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air Decreasing the pressure of intake air Increasing the pressure of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has compression ratio from 10 to 15 6 to 10 25 to 40 15 to 25 10 to 15 6 to 10 25 to 40 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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