Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a None of these Fuel pump Spark plug Fuel injector None of these Fuel pump Spark plug Fuel injector ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Is lighter Is stronger Absorbs shocks Wear is less Is lighter Is stronger Absorbs shocks Wear is less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The advancing of spark timing in spark ignition engines will ___ knocking tendency. Increase None of the listed here Not effect Reduce Increase None of the listed here Not effect Reduce ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center Opens at 15° after top dead center and closes at 20° before bottom dead center May open and close anywhere Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center Opens at 15° after top dead center and closes at 20° before bottom dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS