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B/ One mol of ideal gas initially at 400 K and 5 atm undergoes a four-step mechanically reversible cycle in a closed system. First pressure decreases at constant volume to 3.25 atm. then pressure increases isothermally to 2.11 L. followed by constant pressure of 10 atm; and finally the gas returns adiabatically to its initial state. (a) Sketch the cycle on a PV diagram. (b) Calculate Q, W for each step of the cycle. Cp= 20.785.

B/ One mol of ideal gas initially at 400 K and 5 atm undergoes a four-step mechanically reversible cycle in a closed system. First pressure decreases at constant volume to 3.25 atm. then pressure increases isothermally to 2.11 L. followed by constant pressure of 10 atm; and finally the gas returns adiabatically to its initial state. (a) Sketch the cycle on a PV diagram. (b) Calculate Q, W for each step of the cycle. Cp= 20.785.

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
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Q/ A- One mole of ideal gas initially at 650 K and 10 atm undergoes a four-step mechanically reversible cycle in a closed system. First pressure decreases isothermally to 7.6 atm; then pressure decreases at constant volume and change in Enthalpy = - 5196.3 pressure with change in internal energy = - 3118 J ; and finally, the gas J; then volume decreases at constant returns adiabatically to its initial state. Sketch the cycle and Determine (where unknown) T, V and P and Calculate the four faction for The irreversible cycle with an efficiency of 80%. CP= 20.786 B/ One mol of ideal gas initially at 400 K and 5 atm undergoes a four-step mechanically reversible cycle in a closed system. First pressure decreases at constant volume to 3.25 atm. then pressure increases isothermally to 2.11 L. followed by constant pressure of 10 atm; and finally the gas returns adiabatically to its initial state. (a) Sketch the cycle on a PV diagram. (b) Calculate Q, W for each step of the cycle. Cp= 20.785.
Transcribed Image Text:Q/ A- One mole of ideal gas initially at 650 K and 10 atm undergoes a four-step mechanically reversible cycle in a closed system. First pressure decreases isothermally to 7.6 atm; then pressure decreases at constant volume and change in Enthalpy = - 5196.3 pressure with change in internal energy = - 3118 J ; and finally, the gas J; then volume decreases at constant returns adiabatically to its initial state. Sketch the cycle and Determine (where unknown) T, V and P and Calculate the four faction for The irreversible cycle with an efficiency of 80%. CP= 20.786 B/ One mol of ideal gas initially at 400 K and 5 atm undergoes a four-step mechanically reversible cycle in a closed system. First pressure decreases at constant volume to 3.25 atm. then pressure increases isothermally to 2.11 L. followed by constant pressure of 10 atm; and finally the gas returns adiabatically to its initial state. (a) Sketch the cycle on a PV diagram. (b) Calculate Q, W for each step of the cycle. Cp= 20.785.
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