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

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

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.

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

 

A piston cylinder performs a cyclic motion (1 -> 2 -> 1) with two process paths as shown below. (2) Select the hatched area that represents the magnitude of the moving boundary work for process A, Wb, A. **Graphs and Diagrams Explanation:** 1. **Graph at Top Left:** - This is a Pressure (P) vs. Volume (V) diagram. - A cyclic process is shown with two paths, path A and path B, forming a loop from point 1 to 2 and back to 1. - The paths are represented in red, with arrowheads indicating the direction of the process. 2. **Options for Hatched Areas:** - **Option A:** - An area on the P-V diagram from point 1 to 2 is marked with blue hatching beneath path A. - Represents a positive work done, as it shows the area under path A extending to the volume axis. - **Option B:** - The hatched area is enclosed within the loop defined by paths A and B. - This area is fully contained within the cyclic loop, indicating the net work done over the cycle. - **Option C:** - A similar hatched area to Option A but includes the area under path B as well. - Represents a positive work done but in a broader scope than Option A, covering both the upward and downward paths. Select the appropriate hatched area to correspond with the work done for process A.
Transcribed Image Text:A piston cylinder performs a cyclic motion (1 -> 2 -> 1) with two process paths as shown below. (2) Select the hatched area that represents the magnitude of the moving boundary work for process A, Wb, A. **Graphs and Diagrams Explanation:** 1. **Graph at Top Left:** - This is a Pressure (P) vs. Volume (V) diagram. - A cyclic process is shown with two paths, path A and path B, forming a loop from point 1 to 2 and back to 1. - The paths are represented in red, with arrowheads indicating the direction of the process. 2. **Options for Hatched Areas:** - **Option A:** - An area on the P-V diagram from point 1 to 2 is marked with blue hatching beneath path A. - Represents a positive work done, as it shows the area under path A extending to the volume axis. - **Option B:** - The hatched area is enclosed within the loop defined by paths A and B. - This area is fully contained within the cyclic loop, indicating the net work done over the cycle. - **Option C:** - A similar hatched area to Option A but includes the area under path B as well. - Represents a positive work done but in a broader scope than Option A, covering both the upward and downward paths. Select the appropriate hatched area to correspond with the work done for process A.
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