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In order that a cycle be reversible, the following must be satisfied
  • a)
    free expansion or friction resisted expansion/compression process should not be encountered
  • b)
    when heat is being absorbed, the temperature of the hot source and working substance should be the same
  • c)
    when heat is being rejected, the temperature of the cold source and working substance should be the same
  • d)
    All options are correct
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
In order that a cycle be reversible, the following must be satisfieda...
If a process can proceed in either direction without violating the second law of thermodynamics, it is a reversible process.
A reversible process is carried out infinitely slowly with an infinitesimal gradient so that every state passed through by the system is an equilibrium state. So, a reversible process is a quasi-static process that can proceed in either direction.
Any natural process carried out with a finite gradient is an irreversible process. A reversible process that consists of a succession of equilibrium states is an idealized hypothetical process approached only as a limit. All spontaneous processes are irreversible.
Irreversible ProcessesThe examples of irreversible processes are Motion with friction, free expansion, Expansion/ compression with finite pressure difference, Energy transfer as heat with finite temperature difference, mixing of matter at different states, Mixing of non-identical gases.
Reversible Processes
The processes which can be idealized as reversible are Motion without friction, Expansion/ compression with infinitesimal pressure difference, Energy transfer as heat with infinitesimal temperature difference.
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In order that a cycle be reversible, the following must be satisfieda)free expansion or friction resisted expansion/compression process should not be encounteredb)when heat is being absorbed, the temperature of the hot source and working substance should be the samec)when heat is being rejected, the temperature of the cold source and working substance should be the samed)All options are correctCorrect answer is option 'D'. Can you explain this answer?
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In order that a cycle be reversible, the following must be satisfieda)free expansion or friction resisted expansion/compression process should not be encounteredb)when heat is being absorbed, the temperature of the hot source and working substance should be the samec)when heat is being rejected, the temperature of the cold source and working substance should be the samed)All options are correctCorrect answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about In order that a cycle be reversible, the following must be satisfieda)free expansion or friction resisted expansion/compression process should not be encounteredb)when heat is being absorbed, the temperature of the hot source and working substance should be the samec)when heat is being rejected, the temperature of the cold source and working substance should be the samed)All options are correctCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In order that a cycle be reversible, the following must be satisfieda)free expansion or friction resisted expansion/compression process should not be encounteredb)when heat is being absorbed, the temperature of the hot source and working substance should be the samec)when heat is being rejected, the temperature of the cold source and working substance should be the samed)All options are correctCorrect answer is option 'D'. Can you explain this answer?.
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