engineering physics MCQ #2747

The change in entropy (ΔS) for a reversible adiabatic process is

engineering physics MCQ #2747

  1. Question 1

    Q1. The change in entropy (ΔS) for a reversible adiabatic process is

    • A) positive
    • B) negative
    • C) zero
    • D) dependent on the process

    Answer: zero

    Explanation: For a reversible adiabatic process, ΔS = 0, since Q = 0 and ΔS = Q / T.