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 Fuel injection starts at just before top dead center and ends just 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 10° before 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 May start and end anywhere Fuel injection starts at top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Overall efficiency Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Relative efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the charge is ignited at 30° before bottom dead center 30° before top dead center 30° after top dead center 30° after bottom dead center 30° before bottom dead center 30° before top dead center 30° after top dead center 30° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 1000-1500°C 500-1000°C 2000-2500°C 1500-2000°C 1000-1500°C 500-1000°C 2000-2500°C 1500-2000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 50 120 100 0 50 120 100 0 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 Same Less May be more or less depending on engine capacity More Same Less May be more or less depending on engine capacity More ANSWER DOWNLOAD EXAMIANS APP
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