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Railways NTPC (Technical Ability) Internal Combustion Engine (ICE) Question Bank Internal Combustion Engine (ICE)

  • question_answer
    The coefficient of performance (COP) of a refrigerator working as a heat pump is given by:

    A) \[{{(COP)}_{heat\,\,pump}}={{(COP)}_{refrigerator}}+2\]

    B) \[{{(COP)}_{heat\,\,pump}}={{(COP)}_{refrigerator}}+1\]

    C) \[{{(COP)}_{heat\,\,pump}}={{(COP)}_{refrigerator}}-1\]

    D) \[{{(COP)}_{heat\,\,pump}}={{(COP)}_{refrigerator}}\]

    Correct Answer: B

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