Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Minimum pressure Average pressure Instantaneous pressure at any instant Maximum pressure developed Minimum pressure Average pressure Instantaneous pressure at any instant Maximum pressure developed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at bottom dead centre and ends at top dead centre 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 May start and end anywhere Starts at bottom dead centre and ends at top dead centre 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 May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.5 0.7 0.3 0.15 0.5 0.7 0.3 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to High intensity of knock causes crankshaft vibration and the engine runs rough None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a naturally aspirated diesel engine, the air is supplied by An injection tube A centrifugal blower A supercharger A vacuum chamber An injection tube A centrifugal blower A supercharger A vacuum chamber ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Directly proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Inversely proportional to its (distance)2 from the centre ANSWER DOWNLOAD EXAMIANS APP
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