Air contained within a piston–cylinder assembly undergoes three processes in series:Process 1–2: Compression during which the pressure–volume relationship is pV = constant from p1 = 10 lbf/in.2, V1 = 4 ft3 to p2 = 50 lbf/in.2Process 2–3: Constant volume from state 2 to state 3 where p = 10 lbf/in.2Process 3–1: Constant pressure expansion to the initial state.Sketch the processes in series on p–V coordinates. Evaluate (a) the volume at state 2, in ft3, and (b) the work for each process, in Btu.

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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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Air contained within a piston–cylinder assembly undergoes three processes in series:

Process 1–2: Compression during which the pressure–volume relationship is pV = constant from p₁ = 10 lbf/in.², V₁ = 4 ft³ to p₂ = 50 lbf/in.²
Process 2–3: Constant volume from state 2 to state 3 where p = 10 lbf/in.²
Process 3–1: Constant pressure expansion to the initial state.

Sketch the processes in series on p–V coordinates. Evaluate (a) the volume at state 2, in ft³, and (b) the work for each process, in Btu.

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