Internal Combustion Engines For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of 0.62569444444444 0.50069444444444 0.37569444444444 0.75069444444444 0.62569444444444 0.50069444444444 0.37569444444444 0.75069444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 1 4 2 43832 1 4 2 43832 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Dependent on other factors Unaffected Higher Lower Dependent on other factors Unaffected Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is Same More More/less depending on capacity of engine Less Same More More/less depending on capacity of engine Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a petrol engine is about 0.35 kg 0.2 kg 0.25 kg 0.3 kg 0.35 kg 0.2 kg 0.25 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP