A closed system contains 2 kg of air at 3 bar 150 C It is stirred and expands till its pressure reduces to 1 bar During the

Question

A closed system contains 2 kg of air at 3 bar 150 C It is stirred and expands till its pressure reduces to 1 bar During the process the temperature of the system is maintained constant at 150 C If the stirrer does 120 kJ of work determine expansion work done and ii heat transferred Assume 287 J kg K for air 4 10 har

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