Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = B.P/I.P ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the opposed piston diesel engine, the combustion chamber is located Above the piston Between the pistons Below the piston There is no such criterion Above the piston Between the pistons Below the piston There is no such criterion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 25 bar 20 bar 35 bar 10 bar 25 bar 20 bar 35 bar 10 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Decrease Increase None of these Remain same Decrease Increase None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The magneto in an automobile is basically Capacitor Transformer D.C. generator Magnetic circuit Capacitor Transformer D.C. generator Magnetic circuit ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output Increase efficiency Effect fuel economy Increase power Reduce weight and bulk for a given output ANSWER DOWNLOAD EXAMIANS APP
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