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At a pressure of 0.8 MPa and a degree of dryness x = 0.65, the refrigerant R-134a is heated to saturated steam at constant pressure. Calculate the work done by the refrigerant during the phase change A) 9,7 kJ/kg B) 9,1 kJ/kg C) 65 kJ/kg D) 19,4 kJ/kg E) 6,9 kJ/kg

At a pressure of 0.8 MPa and a degree of dryness x = 0.65, the refrigerant R-134a is heated to saturated steam at constant pressure. Calculate the work done by the refrigerant during the phase change A) 9,7 kJ/kg B) 9,1 kJ/kg C) 65 kJ/kg D) 19,4 kJ/kg E) 6,9 kJ/kg

Elements Of Electromagnetics
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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At a pressure of 0.8 MPa and a degree of dryness x = 0.65, the refrigerant R-134a is heated to saturated steam at constant pressure. Calculate the work done by the refrigerant during the phase change

A) 9,7 kJ/kg

B) 9,1 kJ/kg

C) 65 kJ/kg

D) 19,4 kJ/kg

E) 6,9 kJ/kg

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