2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Refrigeration and Air-Conditioning

Railways NTPC (Technical Ability) Refrigeration and Air-Conditioning Question Bank Refrigeration and Air-Conditioning

  • question_answer
    When the lower temperature is fixed, how can the C.O.P. of a refrigerating machine be improver:

    A) By raising the higher temperature

    B) By lowering the higher temperature

    C) By operating the machine at higher speeds

    D) By operating the machine at lower speeds

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner