engineering physics MCQ #2781

A thermodynamic system undergoes a cycle. The change in internal energy is

engineering physics MCQ #2781

  1. Question 1

    Q1. A thermodynamic system undergoes a cycle. The change in internal energy is

    • A) Positive
    • B) Negative
    • C) Zero
    • D) Depends on the cycle

    Answer: Zero

    Explanation: In a cyclic process, the initial and final states are the same, so ΔU = 0.