Railways Technical Ability Refrigeration and Air-Conditioning Question Bank Refrigeration and Air-Conditioning

  • question_answer Match List-I (chemical formula of refrigerant) with List-II (Numerical Designation) and select the correct answer using the codes gives below the lists:
    List-I (Chemical formula of Refrigerant) List-II (Numerical Designation)
    A. \[N{{H}_{3}}\] 1. 12
    B. \[CC{{l}_{2}}{{F}_{2}}\] 2. 22
    C. \[CHCl{{F}_{2}}\] 3. 40
    D. \[CC{{l}_{2}}FCCl{{F}_{2}}\] 4. 113
    5. 717
    Codes:

    A) A\[\to \]4, B\[\to \]1, C\[\to \]5, D\[\to \]2

    B) A\[\to \]5, B\[\to \]3, C\[\to \]2, D\[\to \]4

    C) A\[\to \]4, B\[\to \]3, C\[\to \]5, D\[\to \]2

    D) A\[\to \]5, B\[\to \]1, C\[\to \]2, D\[\to \]4

    Correct Answer: D


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