Question

Step 1

Draw the temperature versus entropy curve for the expansion process of steam through two turbines via reheater as:

Step 2

Refer to the graph and observe that 1-2 is the expansion process through the first turbine. Refer to the standard steam table and recall the values of specific enthalpy and specific volume of steam at 450 °C and 40 bar as:

Step 3

Now, process 2-3 is the reheating process of steam at constant pressure, which is 20 bar. Refer to the standard steam table and recall the...

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