engineering physics MCQ #2777

A gas is compressed adiabatically. The change in internal energy is

engineering physics MCQ #2777

  1. Question 1

    Q1. A gas is compressed adiabatically. The change in internal energy is

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

    Answer: Positive

    Explanation: In adiabatic compression, work is done on the gas, increasing its internal energy, so ΔU is positive.