Boiler steam pressure 11.5 bar; feed water 34 °C; dryness 0.85; h_{f} = 790, h_{g} = 2780, h_{fw} = 142.4 kJ/kg; latent heat 2257 kJ/kg. Find (i) the specific enthalpy of steam and (ii) the evaporation factor. (Enthalpy in kJ/kg.)