Railways 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


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