Thermodynamics: An Engineering Approach
9th Edition
ISBN: 9781259822674
Author: Yunus A. Cengel Dr., Michael A. Boles
Publisher: McGraw-Hill Education
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Chapter 4.5, Problem 33P
A rigid 10-L vessel initially contains a mixture of liquid water and vapor at 100°C with 12.3 percent quality. The mixture is then heated until its temperature is 180°C. Calculate the heat transfer required for this process.
FIGURE P4–33
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Initially, a rigid tank contains 500L of water at 300°C. By volume, the tank contains60% liquid and 40% vapor. At the bottom of the tank, as shown, a valve is opened and half of the mass of water is withdrawn which is in the liquid phase. Heat transfer takes place such that the temperature within the tank is constant. Determine the heat transfer in kJ required to withdraw half of its mass and maintain its temperature. (Provide Schematic Diagram if applicable)
3-37E A spring-loaded piston-cylinder device is initially
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www.
Fluid
FIGURE P3-37E
-Spring
THERMOFLUID
A frictionless piston-cylinder contains 3.30 kg of saturated water at 1 MPa. The water is expanded at constant pressure until its temperature rises to 270 °C. The image of the system and process are shown in Figure 3.
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Chapter 4 Solutions
Thermodynamics: An Engineering Approach
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