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Questions
Explain the cyclic process.
Explain cyclic process with the help of neat and labelled p-V diagram.
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Solution
- A thermodynamic process that returns a system to its initial state is cyclic.
- In this process, the initial and the final states are the same.
- For a cyclic process, the total change in the internal energy of a system is zero. (ΔU = 0).
- According to the first law of thermodynamics, we have, for a cyclic process, Q = W
- The given figure shows the p-V diagram of a cyclic process, which is a closed loop.
p-V diagram of cyclic process - Working of all heat engines is a cyclic process.
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