Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 1 0.7 0.25 0.5 1 0.7 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Supplying compressed air to remove combustion products fully 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 Providing forced cooling air Supplying compressed air to remove combustion products fully 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 Providing forced cooling air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Thermal efficiency Fuel consumption Speed Power output Thermal efficiency Fuel consumption Speed Power output 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 0.02 0.04 0.14 0.08 0.02 0.04 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a spark ignition engine? Spark plug Carburettor Ignition coil Fuel injector Spark plug Carburettor Ignition coil Fuel injector ANSWER DOWNLOAD EXAMIANS APP
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