A vertical cylinder fitted with a piston contains 5 kg of R-410a at 10C, as shown in

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A vertical cylinder fitted with a piston contains 5 kg of R-410a at 10◦C, as shown in Fig. P3.173. Heat is transferred to the system, causing the piston to rise until it reaches a set of stops, at which point the volume has doubled. Additional heat is transferred until the temperature inside reaches 50◦C, at which point the pressure inside the cylinder is 1.4 MPa.

a. What is the quality at the initial state?

b. Calculate the heat transfer for the overall process.

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Fundamentals Of Thermodynamics

ISBN: 9781118131992

8th Edition

Authors: Claus Borgnakke, Richard E. Sonntag

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