1.Locate the Processes of the given P-v indicator diagram and area under the process when computing work done per cycle using p-v indicator diagram. 2. Derive work done per cycle and mean effective pressure.

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: Air undergoes a three-process cycle. For 2 kg of air if the processes are: 1 → 2: constant temperature expansion .2 → 3: constant volume. 3 → 1: constant- pressure compression .The necessary information is T1 = 100°C, T3 = 600°C, and P1 = 200 kPa. R= 0.287 KJ/Kg.k , Cp= 1.051 KJ/Kg.k , Cv= 0.764 KJ/Kg.k.