Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 250 - 300 rpm 60 - 80 rpm Half the operating speed One fourth of operating speed 250 - 300 rpm 60 - 80 rpm Half the operating speed One fourth of operating speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Piston rings would stick into piston grooves Scavenging occurs Exhaust will be smoky Engine starts overheating Piston rings would stick into piston grooves Scavenging occurs Exhaust will be smoky Engine starts overheating ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A supercharged engine as compared to an ordinary engine Requires smaller foundation Is lighter Consumes less lubricating oil All of these Requires smaller foundation Is lighter Consumes less lubricating oil All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine, during suction stroke, draws Air only Diesel only A mixture of diesel and air None of these Air only Diesel only A mixture of diesel and air None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of 0.50069444444444 0.75069444444444 0.62569444444444 0.37569444444444 0.50069444444444 0.75069444444444 0.62569444444444 0.37569444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere 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 Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere 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 ANSWER DOWNLOAD EXAMIANS APP
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