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200 Steam is supplied to a turbine equipped with two-stage reheating at pressurear and temperature 500C. At pressure 35 bar and temperature 280C whole
200 Steam is supplied to a turbine equipped with two-stage reheating at pressurear and temperature 500C. At pressure 35 bar and temperature 280C whole of the steam passes through the first reheater and comes out at pressure 34 bar and temperature 480 \deg C to expand in the next stages. Again, at pressure 3 bar and temperature 180 \deg C whole of the steam is taken out and made to pass through the second reheater. The steam comes out from the second reheater at 2.5 bar and temperature 480 \deg C and expands in the LP stage to pressure 0.04 bar and dry saturated. Using Mollier diagram, determine the following: (1) Ideal and actual heat supplied to turbine (ii) Ideal and actual work done by turbine (iii) Ideal and actual thermal efficiency of turbine (iv) Ratio of actual to ideal work of turbine
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