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

  • question_answer
    A condenser of refrigeration system rejects heat at rate of 120 kW. While its compressor consumes a power of 30 kW. The coefficient of performance of the system would be:

    A) 1/4                               

    B) 1/3

    C) 3                                 

    D) 4

    Correct Answer: D

    Solution :

    \[{{Q}_{r}}=120\,\,kW,\] \[{{W}_{c}}=30\,\,kW,\] \[COP=\frac{{{Q}_{r}}}{{{W}_{c}}}=\frac{120}{30}=4\]


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