Search for question
Question

6. A piston-cylinder contains 2 lb of water, initially at 300°F . The water undergoes two processes: (20 points) Constant volume heating followed by a constant pressure process. At the

end of constant lb volume process, the pressure is 100and the water is a two -phase, liquid-vapor mixturein²with quality of 80%. At the end of the constant pressure process, the temperature is 400°F .Neglect Kinetic and potential energy effects. a) Sketch T – v and P – v diagrams showing the key states and the processes. b) Determine the work and heat transfer for each of the two processes, all in Btu.

Fig: 1

Fig: 2

Fig: 3

Fig: 4