Question

The equivalent evaporation (kg/hr) of a boiler producing 2000 kg/hr or steam with enthalpy content of 2426 kJ/kg from fed water at temperature 40⁰ C (liquid enthalpy = 168 kJ/kg) is (Enthalpy of vaporization of water at 100⁰ C = 2258 kJ/kg).

      (a) 2000                                                              (b) 2149

      (c) 186                                                                (d) 1649