When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by
A. $$\frac{{{\text{h}} - {{\text{h}}_{{\text{f}}1}}}}{{2257}}$$
B. $$\frac{{{\text{h}} + {{\text{h}}_{{\text{f}}1}}}}{{2257}}$$
C. $$\frac{{{\text{h}} \times {{\text{h}}_{{\text{f}}1}}}}{{2257}}$$
D. None of these
Answer: Option A
This Question Belongs to Mechanical Engineering >> Steam Boilers, Engines, Nozzles And Turbines
Join The Discussion