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A piston cylinder performs a cyclic motion (121) with 2 process paths as shown below. (3) Select the hatched area that represents the magnitude of themoving boundary work for process B, Wb, B. O A. در B O B. OC. P P B

A piston cylinder performs a cyclic motion (121) with 2 process paths as shown below. (3) Select the hatched area that represents the magnitude of themoving boundary work for process B, Wb, B. O A. در B O B. OC. P P B

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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A piston cylinder performs a cyclic motion (1 -> 2 -> 1) with 2 process paths as shown below.

(3) Select the hatched area that represents the magnitude of themoving boundary work for process B, Wb, B.___________

A piston cylinder performs a cyclic motion (1 -> 2 -> 1) with 2 process paths as shown below. (3) Select the hatched area that represents the magnitude of the moving boundary work for process B, \( W_B \). **Graph Descriptions:** 1. **Top Graph:** - A pressure-volume (\(P-V\)) diagram showing a closed loop with two process paths: A (1 -> 2) and B (2 -> 1). - Path A moves from point 1 to point 2, and path B returns from point 2 to point 1. - No hatching is displayed in the top reference graph. 2. **Option A:** - The area under process path A (from point 1 to point 2) is hatched. - This hatching extends from the curve to the volume axis, enclosing the area under curve A. 3. **Option B:** - The area enclosed between paths A and B is hatched, representing the net work done during the cycle. - It shows the closed area enclosed by both paths from point 1 to 2 and back to point 1. 4. **Option C:** - The area under process path B (from point 2 to point 1) is hatched. - This hatching extends from the curve to the volume axis, enclosing the area under curve B. The task is to select the correct graph option (A, B, or C) that represents the magnitude of work done during process B, \( W_B \).
Transcribed Image Text:A piston cylinder performs a cyclic motion (1 -> 2 -> 1) with 2 process paths as shown below. (3) Select the hatched area that represents the magnitude of the moving boundary work for process B, \( W_B \). **Graph Descriptions:** 1. **Top Graph:** - A pressure-volume (\(P-V\)) diagram showing a closed loop with two process paths: A (1 -> 2) and B (2 -> 1). - Path A moves from point 1 to point 2, and path B returns from point 2 to point 1. - No hatching is displayed in the top reference graph. 2. **Option A:** - The area under process path A (from point 1 to point 2) is hatched. - This hatching extends from the curve to the volume axis, enclosing the area under curve A. 3. **Option B:** - The area enclosed between paths A and B is hatched, representing the net work done during the cycle. - It shows the closed area enclosed by both paths from point 1 to 2 and back to point 1. 4. **Option C:** - The area under process path B (from point 2 to point 1) is hatched. - This hatching extends from the curve to the volume axis, enclosing the area under curve B. The task is to select the correct graph option (A, B, or C) that represents the magnitude of work done during process B, \( W_B \).
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