Internal Combustion Engines The theoretically correct mixture of air and petrol is 10 : 1 15 : 1 25 : 1 20 : 1 10 : 1 15 : 1 25 : 1 20 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the crankcase method of scavenging, the air pressure is produced by Natural aspirator Movement of engine piston Centrifugal pump Supercharger Natural aspirator Movement of engine piston Centrifugal pump Supercharger 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 bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before 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 bottom dead centre and ends at top dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume Equal to stroke volume Less than stroke volume Equal to stroke volume and clearance volume More than stroke volume Equal to stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If petrol is used in a diesel engine, then 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 Efficiency will be low ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Combustion in compression ignition engines is Heterogeneous Laminar Both (A) and (B) Homogeneous Heterogeneous Laminar Both (A) and (B) Homogeneous ANSWER DOWNLOAD EXAMIANS APP
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