If a closed piston-cylinder system is cycled fast enough, the process approaches reversibility.Question 10Select one:a.TRUEb.FALSE
Question
If a closed piston-cylinder system is cycled fast enough, the process approaches reversibility.
Question 10
Select one:
- a. TRUE
- b. FALSE
Solution
Analysis of the Statement
-
Understanding Reversibility
- A reversible process is one that can be reversed without leaving any trace on the surroundings. In thermodynamics, it implies that the system and surroundings can be returned to their initial states.
-
Closed Piston-Cylinder System
- This system consists of a gas contained within a piston-cylinder setup, where volume and pressure can change as the gas expands or contracts.
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Impact of Speed
- When a process is cycled quickly, it typically generates irreversibilities due to friction, turbulence, and heat transfer limitations. Fast processes tend more towards irreversibility, not reversibility.
Conclusion
Given that faster cycling generally leads to more irreversible actions due to these constraints, the assertion that cycling fast enough leads the process towards reversibility is incorrect.
Final Answer
The correct option is b. FALSE.
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