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=0.028 m^3. U2-U1= 26.4 kJ. P1= 1.4 bar. U2=U3. Work of process 3-1 is equal to -10.5 kJ. Determine the relative increase in the value of Qcycle if the process 2-3 is replaced by a polytropic process ( PV^n = Constant ) with n=1.5. please answer asap a. 83 % b. 79 % c. 88 % d. 93 % e. 65 %

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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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=0.028 m^3. U2-U1= 26.4 kJ. P1= 1.4 bar. U2=U3. Work of process 3-1 is equal to -10.5 kJ. Determine the relative increase in the value of Qcycle if the process 2-3 is replaced by a polytropic process ( PV^n = Constant ) with n=1.5. please answer asap a. 83 % b. 79 % c. 88 % d. 93 % e. 65 %
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