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Discussion :: Refrigeration and Air Conditioning

  1. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

    2. A.

     Ammonia
    B.

     Carbon dioxide
    C.

     Freon
    D.

     Brine

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    Answer : Option B

    Explanation :

    A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is Carbon dioxide

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