(a)
The work done by engine during the 4 steps and the net work done.
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 86P
The work done by engine during the 4 steps are
Explanation of Solution
Write the expression for work done during process A.
Here, T is the temperature,
B and D are isochoric processes. Therefore, work done is zero.
Write the expression for work done during process C.
Here, T is the temperature,
Conclusion:
For the process A,
Substitute 373 K for T,
For the process C,
Substitute 273 K for T,
The net work done is,
Therefore, work done by engine during the 4 steps are
(b)
The efficiency of the engine.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 86P
The efficiency of the engine is
Explanation of Solution
Write the expression for efficiency of the engine.
Here, e is the efficiency and
Write the expression for input heat.
Here,
Therefore, the input heat is,
Conclusion:
Substitute
Therefore, efficiency of the engine is
(c)
The ratio of efficiency of reversible engine and the given engine.
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 86P
The ratio of efficiency of reversible engine and the given engine is
Explanation of Solution
Write the expression for the efficiency of reversible engine.
Here,
Conclusion:
Substitute 273 K for
The ratio is given by,
The ratio of efficiency of reversible engine and the given engine is
Want to see more full solutions like this?
Chapter 15 Solutions
PHYSICS
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305952300/9781305952300_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9780133969290/9780133969290_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781107189638/9781107189638_smallCoverImage.jpg)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337553278/9781337553278_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9780321820464/9780321820464_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9780134609034/9780134609034_smallCoverImage.gif)