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 The fuel in diesel engine is normally injected at pressure of 5-10 kg/cm² 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression loss in I.C engines occurs due to Clogged air inlet slots Use of thick head gasket Leaking piston rings All of these Clogged air inlet slots Use of thick head gasket Leaking piston rings All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Air fuel ratio at which a petrol engine cannot work is 0.62569444444444 0.41736111111111 0.33402777777778 20 : 1 and less 0.62569444444444 0.41736111111111 0.33402777777778 20 : 1 and less ANSWER DOWNLOAD EXAMIANS APP
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