3-39 Water initially at 200 kPa and 300°C is contained in a piston-cylinder device fitted with stops. The water is allowed to cool at constant pressure until it exists as a saturated vapor and the piston rests on the stops. Then the water continues to cool until the pressure is 100 kPa. On the T-V diagram, sketch, with respect to the saturation lines, the process curves pass- hod TURN ing through the initial, intermediate, and final states of the Loist process water. Label the T, P, and U values for end states on the to t odio curves. Find the overall change in internal energy between the liod niTub 151BW stamisi initial and final states per unit mass of water. IOISISS ment rises. Now Water 200 kPa 300°C will rise in a co FIGURE P3-39 Q

3-39 Water initially at 200 kPa and 300°C is contained in a piston-cylinder device fitted with stops. The water is allowed to cool at constant pressure until it exists as a saturated vapor and the piston rests on the stops. Then the water continues to cool until the pressure is 100 kPa. On the T-V diagram, sketch, with respect to the saturation lines, the process curves pass- hod TURN ing through the initial, intermediate, and final states of the Loist process water. Label the T, P, and U values for end states on the to t odio curves. Find the overall change in internal energy between the liod niTub 151BW stamisi initial and final states per unit mass of water. IOISISS ment rises. Now Water 200 kPa 300°C will rise in a co FIGURE P3-39 Q

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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