Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.25069444444444 0.62569444444444 0.37569444444444 0.50069444444444 0.25069444444444 0.62569444444444 0.37569444444444 0.50069444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? Yes No Unpredictable To some extent Yes No Unpredictable To some extent ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The combustion in compression ignition engines is None of these Homogeneous Heterogeneous Both (A) and (B) None of these Homogeneous Heterogeneous Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Pre-ignition Any one of these Acceleration in the rate of combustion Increase in detonation Pre-ignition Any one of these Acceleration in the rate of combustion Increase in detonation ANSWER DOWNLOAD EXAMIANS APP
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