A steam power plant , pertaining with one regenerative feed water hea…

Question

A steam power plant , pertaining with one regenerative feed water heating is run at the initial steam conditions of 35.0 bar and $440^{\circ}\text{ C}$ with exhaust pressure of 0.040 bar. Steam is bled from the turbine for feed water heating at a pressure of 1.226 bar. Determine

(i) Specific heat consumption

(ii) Thermal efficiency of the cycle

(iii) Economy percentage compared with the cycle of a simple condensing power plant.