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Isoentropic process is...

Isoentropic process is

A

adiabatic and irreversible process

B

isothermal and reversible process

C

Adiabatic and reversible process

D

isothermal and reversible for which `Q=0`

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The correct Answer is:
### Step-by-Step Solution: 1. **Definition of Isoentropic Process**: An isoentropic process is defined as a thermodynamic process that occurs at constant entropy. This means that during the process, there is no change in the entropy of the system. 2. **Characteristics of Isoentropic Process**: - **Adiabatic**: An isoentropic process is adiabatic, which means that there is no heat transfer into or out of the system. The system is thermally insulated. - **Reversible**: The process is also reversible, meaning that it can be reversed without any net change in the system and surroundings. This implies that the process occurs without any friction or dissipative effects. 3. **Work Transfer**: In an isoentropic process, the work done by or on the system is frictionless. This means that the work interactions do not involve any energy losses due to friction, making the process idealized. 4. **Conclusion**: Since an isoentropic process is characterized by being both adiabatic and reversible, we can conclude that it is an idealized thermodynamic process where entropy remains constant. ### Final Answer: An isoentropic process is an idealized thermodynamic process that is both adiabatic and reversible, characterized by constant entropy. ---
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