Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Remain same None of these Decrease Increase Remain same None of these Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 2000-2500°C 500-1000°C 1000-1500°C 1500-2000°C 2000-2500°C 500-1000°C 1000-1500°C 1500-2000°C 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 just before top dead center and ends just after top dead center 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 May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Special type of air cycle Diesel cycle Dual combustion cycle Otto cycle Special type of air cycle Diesel cycle Dual combustion cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has 3 valves 2 valves 1 valve 4 valves 3 valves 2 valves 1 valve 4 valves ANSWER DOWNLOAD EXAMIANS APP
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