Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of these ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Reduce weight and bulk for a given output Increase power Effect fuel economy Increase efficiency Reduce weight and bulk for a given output Increase power Effect fuel economy ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Raising the compression ratio All of these Increasing the inlet pressure of air Reducing the delay period Raising the compression ratio All of these Increasing the inlet pressure of air Reducing the delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in diesel engines, is approximately 10 bar 20 bar 35 bar 25 bar 10 bar 20 bar 35 bar 25 bar ANSWER DOWNLOAD EXAMIANS APP