Steam Boilers, Engines, Nozzles and Turbines
Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

10 : 7 : 15 : 20 : 48
7 : 15 : 20 : 10 : 48
20 : 48 : 7 : 15 : 10
48 : 20 : 15 : 7 : 10

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Steam Boilers, Engines, Nozzles and Turbines
Boiler H.P. is defined as the

Work done by 1 kg of steam at saturation condition
Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam
Steam evaporation rate per kg of fuel fired
The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam

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