piston-cylinder assembly contains water vapor, initially at 10 bar and 360 degC. The water undergoes a process where pv=constant until it reaches a final pressure of 1.5 bar. (a) Draw the process in p-v and T-s diagrams clearly labeling the states and the direction of the process. (b) Write the engineering model (c) Determine the energy transfers by work and heat, in kJ/kg and indicate their direction (in or out) (d) Determine the entropy production if the temperature at the boundary is Tb=630 K and comment on the nature of the process (reversible, irreversible, or impossible). (40 pts.)

A diagrams showing the process in p-v and T-s and the Model engineering (which is the quest in constructing miniature working representations of proportionally-scaled in full-sized machines. It is a subdivision of metalworking with a sharp importance on artisanry, in contrast to mass production.) can be seen in the attached images below.

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