Internal Combustion Engines During idling, a petrol engine requires _________ mixture. Lean None of these Chemically correct Rich Lean None of these Chemically correct Rich ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Maximum pressure developed Instantaneous pressure at any instant Average pressure Minimum pressure Maximum pressure developed Instantaneous pressure at any instant Average pressure Minimum pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Pre-ignition Detonation Ignition delay Auto-ignition Pre-ignition Detonation Ignition delay Auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. None of these Increase Not effect Decrease None of these Increase Not effect Decrease 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 Mechanical efficiency Volumetric efficiency Indicated thermal efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Indicated thermal efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If petrol is used in a diesel engine, then Efficiency will be low Black smoke will be produced Higher knocking will occur Low power will be produced Efficiency will be low Black smoke will be produced Higher knocking will occur Low power will be produced ANSWER DOWNLOAD EXAMIANS APP
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