A Boiler used in a power plant coverts 600Kg/s of saturated water at 50KPa into super heated steam at 600 degree census at a pressure of 200 bar. Neglecting the pump work, find the heat added in the economiser, evaporator and super heater of the boiler. Also find our the rate of coal consumption if the boiler efficiency is 80 degree census calorific value of the coal is 10,00kJ/Kg. Also out the annual coal cost if the coal cost Rs.2000/tonne.
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Also find scalar potential φ such that ... (b ) A reversible heat pump is used to maintain a temperature ... kg of coal and efficiency of boiler if steam is 0.95 dry.
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