Internal Combustion Engines The ratio of the brake power to the indicated power is called Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve May open and close anywhere 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 Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere 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 Opens at 30° after bottom dead centre and closes at 10° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of 0.37569444444444 0.25069444444444 0.50069444444444 0.62569444444444 0.37569444444444 0.25069444444444 0.50069444444444 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines High speed compression engines operate on All of these Dual combustion cycle Diesel cycle Otto cycle All of these Dual combustion cycle Diesel cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is Less Same May be more or less depending on engine capacity More Less Same May be more or less depending on engine capacity More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center ANSWER DOWNLOAD EXAMIANS APP
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