Problem 1 ( 20 pts) Figure below shows a well-insulated device operating at steady state. Steam enters at one location and exits at another. Neglect kinetic and potential energy effects. The operating data is provided on the figure. a) ( 10pts ) What is the direction of the flow (is it from a to b or from b to a)? Why? Prove your answer. b) ( 10 pts) Determine the power in kJ per kg of steam following. Is it power input or power output? Why? Prove your