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Water contained in a piston-cylinder assembly undergoes two processes in series (point 1 to point 2 and point 2 to point 3): point 1: T1 = 100°C and P1 = 5bar point 2: 71= 151.9°C and P2 = 5bar and v2 = 0.300 .300 m³ point 3: 73= 200°C and v3 = .300" kg Use the thermodynamic tables A.2, A.3, and A.4 to answer the following questions: For questions 1, 3, and 5 choose from: subcooled water, saturated water, saturated liquid, saturated vapor, superheated vapor 1) What is the thermodynamic state of water at point 1: 2- What is the specific volume of water at point 1: 3) What is the thermodynamic state of water at point 2: 4) What is the quality of water (x) at point 2: 3) What is the thermodynamic state of water at point 3: 4) What is the pressure of water at point 3: (bar) On paper draw points 1, 2, and 3 on the following P-v and T-v diagrams and show the two processes. Add number values, units, and constant pressure or temperature lines if needed. Specify which table you used to find…

4. Which thermodynamic property is the best measure of the molecular activity of a substance? a. Enthalpy b. Internal energy c. Entropy d. External energy 5. A substance whose properties are uniform throughout a sample is referred to as a. A solid b. An ideal substance c. A pure substance d. A standard substance 6. Which of the following statements is true for an isentropic steady-flow process? a. P1 b. Work = -V(P2 – P1) P2 - V1 C. %3! P1 V2 d. T1 T2

Which of the following are correct and valid for the Kelvin-Plank statement? O a. Any device O b. Kelvin- Planck O c. It is possible for any O d. No heat engine can have a thermal O e. Kelvin- Planck O f. It is impossible O g. It is impossible for any device O h. It is impossible that statement statement to construct to construct of the second law is device that a device that a device that violates of the efficiency of 100 second law is the that operates in a cycle and produces no effect other than Kelvin- operates in a cycle and produces no effect other than operates negative statement, and a operates on a cycle to receive heat from a single reservoir Planck percent, or as for a positive statement, and a positive on a cycle to receive heat statement power plant to operate, the working fluid also violates negative statement the from a statement the transfer the transfer single reservoir and Clausius cannot be can be of heat from and of heat from a lower- temperature body to a higher-…

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Given information is attached. A. Estimate the temperature of the saturated steam at 15.0 bar. (In degrees Celsius) B. Estimate the temperature of the superheated steam at 20.0 bar.