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

  • question_answer
    The coefficient of performance of heat pump \[[{{(COP)}_{HP}}]\] and that refrigerator \[[{{(COP)}_{R}}]\]

    A) \[{{(COP)}_{HP\,}}\,\,=\,\,{{(COP)}_{R}}\,+1\]

    B) \[{{(COP)}_{HP\,}}/{{(COP)}_{R}}\,1\]

    C) \[{{(COP)}_{HP\,}}\,\,=\,\,{{(COP)}_{R}}\,-\,1\]

    D) \[{{(COP)}_{HP\,}}\,\,<\,\,{{(COP)}_{R}}\]

    Correct Answer: A

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