Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the End of compression stroke None of these Beginning of suction stroke End of suction stroke End of compression stroke None of these Beginning of suction stroke End of suction stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Any one of these Increase in detonation Acceleration in the rate of combustion Pre-ignition Any one of these Increase in detonation Acceleration in the rate of combustion Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Installation of supercharger on a four cycle diesel engine can result in the following percentage increase in power Up to 75% Up to 100% Up to 50% Up to 35% Up to 75% Up to 100% Up to 50% Up to 35% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at 10° after top dead center and closes 20° before the bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at top dead center and closes at bottom dead center May open or close anywhere Opens at 10° after top dead center and closes 20° before the bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at top dead center and closes at bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon All of these Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection Relative velocity between the fuel injection and air turbulence pressure of residual gases All of these Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection Relative velocity between the fuel injection and air turbulence pressure of residual gases ANSWER DOWNLOAD EXAMIANS APP
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