A cycle composed of three processes, 1-2: constant volume.2-3 expansion with PV = constant and 3-1: constant pressure, occurs in a piston cylinder assembly. V1=0.025 m^3. U2-U1= 26.4 kJ. P1= 1.8 bar....

A cycle composed of three processes, 1-2:<br>constant volume.2-3 expansion with PV =<br>constant and 3-1: constant pressure, occurs<br>in a piston cylinder assembly. V1=0.025 m^3.<br>U2-U1= 26.4 kJ. P1= 1.8 bar. U2=DU3. Work of<br>process 3-1 is equal to -12.3 kJ. Determine<br>the relative increase in the value of Qcycle if<br>the process 2-3 is replaced by a polytropic<br>process with n=1.3.<br>Select one:<br>a. 68 %<br>b. 70 %<br>c. 38 %<br>d. 51 %<br>e. 46 %<br>

Extracted text: A cycle composed of three processes, 1-2: constant volume.2-3 expansion with PV = constant and 3-1: constant pressure, occurs in a piston cylinder assembly. V1=0.025 m^3. U2-U1= 26.4 kJ. P1= 1.8 bar. U2=DU3. Work of process 3-1 is equal to -12.3 kJ. Determine the relative increase in the value of Qcycle if the process 2-3 is replaced by a polytropic process with n=1.3. Select one: a. 68 % b. 70 % c. 38 % d. 51 % e. 46 %

Jun 11, 2022

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A cycle composed of three processes, 1-2: constant volume.2-3 expansion with PV = constant and 3-1: constant pressure, occurs in a piston cylinder assembly. V1=0.025 m^3. U2-U1= 26.4 kJ. P1= 1.8 bar....

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