Internal Combustion Engines Supercharging is the process of Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Injecting excess fuel for raising more loads Providing forced cooling air Supplying compressed air to remove combustion products fully Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Injecting excess fuel for raising more loads Providing forced cooling air Supplying compressed air to remove combustion products fully ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure into the engine cylinder is known as Carburetion Delay period Turbulence Supercharging Carburetion Delay period Turbulence Supercharging 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 0.14 0.08 0.04 0.02 0.14 0.08 0.04 0.02 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.7 0.25 0.5 1 0.7 0.25 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression 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 Starts at 40° after bottom dead centre and ends at 30° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
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