Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Not effect Reduce Increase None of these Not effect Reduce Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. Higher Same None of these Lower Higher Same None of these Lower ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The colour of exhaust from diesel engine is generally White Bluish Black Violet White Bluish Black Violet ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine has compression ratio from 6 to 10 10 to 15 25 to 40 15 to 25 6 to 10 10 to 15 25 to 40 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Decreasing the pressure of intake air Decreasing the density of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the pressure of intake air Decreasing the density of intake air Increasing the pressure of intake air Increasing the temperature of intake air ANSWER DOWNLOAD EXAMIANS APP
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