Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° after bottom dead centre and ends at 30° before top dead centre 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 May start and end anywhere Starts at 40° after bottom dead centre and ends at 30° before top dead centre 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 May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.04 0.08 0.14 0.02 0.04 0.08 0.14 0.02 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.003 second 0.002 second 0.001 second 0.004 second 0.003 second 0.002 second 0.001 second 0.004 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The colour of exhaust from diesel engine is generally Bluish Violet Black White Bluish Violet Black White ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the crankcase method of scavenging, the air pressure is produced by Movement of engine piston Supercharger Natural aspirator Centrifugal pump Movement of engine piston Supercharger Natural aspirator Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS