Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 95 and 100% Between 50 and 85% Between 85 and 95% Below 50% Between 95 and 100% Between 50 and 85% Between 85 and 95% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to None of these 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 Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these 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 Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Spark ignition Compression ignition None of these Both (A) and (B) Spark ignition Compression ignition None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a naturally aspirated diesel engine, the air is supplied by A vacuum chamber A centrifugal blower An injection tube A supercharger A vacuum chamber A centrifugal blower An injection tube A supercharger ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of petrol is expressed by Octane number All of these Cetane number Calorific value Octane number All of these Cetane number Calorific value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Providing forced cooling air Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Supplying compressed air to remove combustion products fully Providing forced cooling air Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Supplying compressed air to remove combustion products fully ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS