Question

please solve all of them

awestion 3 (35 pts) water at Tjz1SC is heated in a chamber by mixing it with steam at paa300 kPaond TR320С The saturated liquid water and the steam enter the mibxing chamber through separate and independent inlet pipes. The saturated liquid water enters the mixing chamber at a rate of 3.0 kg/s, and the chamber loses heat to the surrounding air at 30 Cat a rate of 12 kW. The mixture leaves the mixing chamber in a single exit pipe as saturoted liquid at Ta 75c a) Draw the schematic of the equipment and list all the given arameters (5 pts) b) List at least 3 assumptions (3 pts) c) Write the continuity equation, do not solve yet. (2 pts) d) Write the energy balance equation and solve for the mass flow rate of the steam that enters the miding chamber (13 pts) e) Calculate the entropy generation rate (10 pts) Determine whether the expansion is internally reversible, irreversible, or impossible and comment (2 pts)

Answer 1

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