Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 130° 180° 270° 230° 130° 180° 270° 230° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve May open or close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by 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 ηm = B.P/I.P ηm = I.P/B.P None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The firing order in an I.C. engine depends upon Number of cylinders Design of crankshaft All of these Arrangement of the cylinders Number of cylinders Design of crankshaft All of these Arrangement of the cylinders ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be Remain unaffected Lower Higher None of the listed here Remain unaffected Lower Higher None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Dependent on other factors Lower Unaffected Higher Dependent on other factors Lower Unaffected Higher ANSWER DOWNLOAD EXAMIANS APP