Railways Technical Ability Metal Forming, Casting and Cutting Question Bank Metal Casting

  • question_answer Match List-I (Expansion device) with List-II (Operation) and select the correct answer using the codes given below the lists:
    List-I (Expansion device) List-II (Operation)
    A. Float valve          1. Constant degree of superheat at evaporator exit pressure
    B. Automatic expansion valve 2. Constant degree of superheat at evaporator inlet pressure
    C. Internally equalized thermostatic expansion valve              3. Constant level of refrigerant in the evaporator
    D. Extrammaly equalized thermostatic expansion valve        4. Constant pressure in the evaporator
    Codes:

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

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

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

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

    Correct Answer: C


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