Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of these ηm = (B.P × I.P)/100 ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Increase Not effect Reduce None of these Increase Not effect Reduce None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle engine, the sequence of operations is Suction, compression, expansion and exhaust Compression, expansion, suction and exhaust Expansion, compression, suction and exhaust Suction, expansion, compression and exhaust Suction, compression, expansion and exhaust Compression, expansion, suction and exhaust Expansion, compression, suction and exhaust Suction, expansion, compression and exhaust ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Flywheel size is proper It is properly designed Best quality fuel is used Cannot work as it is impossible Flywheel size is proper It is properly designed Best quality fuel is used Cannot work as it is impossible ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine. High Very high Very low Low High Very high Very low Low ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke. Above None of these Below Equal to Above None of these Below Equal to ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS