Question: Air flows through a constant pressure heating device as shown. It is heated up in a reversible process with a work input of 85 Btu/lbm

Air flows through a constant pressure heating device as shown. It is heated up in a reversible process with a work input of 85 Btu/lbm air flowing. The device exchanges heat with the ambient at 540 R. The air enters at 540 R, 60 lbf/in 2. Assuming constant specific heat develops an expression for the exit temperature and solve for it.

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