Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the speed of the engine is increased, the indicated power will Decrease None of these Remain same Increase Decrease None of these Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A supercharged engine as compared to an ordinary engine Consumes less lubricating oil Requires smaller foundation All of these Is lighter Consumes less lubricating oil Requires smaller foundation All of these Is lighter ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Increasing the inlet pressure of air All of these Reducing the delay period Raising the compression ratio Increasing the inlet pressure of air All of these Reducing the delay period Raising the compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 1500-2000°C 1000-1500°C 2000-2500°C 500-1000°C 1500-2000°C 1000-1500°C 2000-2500°C 500-1000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, napthene, aromatic Paraffin, aromatic, napthene Napthene, paraffin, aromatic Napthene, aromatics, paraffin Paraffin, napthene, aromatic Paraffin, aromatic, napthene ANSWER DOWNLOAD EXAMIANS APP
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