Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = B.P/I.P ηm = (B.P × I.P)/100 None of the listed here ηm = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of the listed here ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression loss in I.C engines occurs due to All of these Leaking piston rings Clogged air inlet slots Use of thick head gasket All of these Leaking piston rings Clogged air inlet slots Use of thick head gasket ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An engine indicator is used to determine the following Temperature m.e.p. and I.H.P. Speed Volume of cylinder Temperature m.e.p. and I.H.P. Speed Volume of cylinder ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize High heat value of oil Calorific value of fuel Net calorific value of oil Low heat value of oil High heat value of oil Calorific value of fuel Net calorific value of oil Low heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere Exhaust valve opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is About 35% of rich mixture About 10% of rich mixture Chemically correct mixture Uniform throughout the mixture About 35% of rich mixture About 10% of rich mixture Chemically correct mixture Uniform throughout the mixture ANSWER DOWNLOAD EXAMIANS APP
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