From steam table,
(a).
The final temperature is 180°C.
At 10 bar, saturated liquid,
Temperature = 180°C
(b).
Heat removed from the steam is 2065.6 kJ/kg.
At 10 bar - 200°C, h1 = 2828.27 kJ/kg
At 10 bar, saturated liquid, h2 = 762.68 kJ/kg
Heat removed = h1 - h2 = 2065.6 kJ/kg
(c).
Work done is 204.9 kJ/kg.
Work done = heat removed - change in internal energy = 2065.6 - (2622.26 - 761.55) = 204.9 kJ/kg
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