Question: Air is expanded in a polytropic process with n 5 1.2 from 1 MPa and 400oC to 110 kPa in a piston-cylinder device. Determine the

Air is expanded in a polytropic process with n 5 1.2 from 1 MPa and 400oC to 110 kPa in a piston-cylinder device. Determine the final temperature of the air.

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