Question

A tank of volume 1.2 m3 initially contains steam at 8 MPa and 4008C. Steam is withdrawn slowly from the tank until the pressure drops to p. Heat transfer to the tank contents maintains the temperature constant at 4008C. Neglecting all kinetic and potential energy effects and assuming specific enthalpy of the exiting steam is linear with the mass in the tank, (a) determine the heat transfer, in kJ, if p 5 2 MPa. (b) plot the heat transfer, in kJ, versus p ranging from 0.5 to 8 MPa.

Answer 1

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