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

  • question_answer
    Match List-1 with List-11 and select the correct answer using the code given below the lists:
    List-I (Commercial name of Refrigerant) List-II (Chemical formula of Refrigerant)
    A. R 11 1. \[CHCl{{F}_{2}}\]
    B. R 12 2. \[CC{{l}_{2}}{{F}_{2}}\]
    C. R 13 3. \[CC{{l}_{3}}{{F}_{{}}}\]
    D. R 22 4. \[Cl{{F}_{3}}\]
    Codes:

    A) A\[\to \]3, B\[\to \]1, C\[\to \]4, D\[\to \]3

    B) A\[\to \]4, B\[\to \]2, C\[\to \]3, D\[\to \]1

    C) A\[\to \]3, B\[\to \]2, C\[\to \]4, D\[\to \]1

    D) A\[\to \]4, B\[\to \]1, C\[\to \]3, D\[\to \]2

    Correct Answer: C


You need to login to perform this action.
You will be redirected in 3 sec spinner