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

  • question_answer Which of the features of expansion valves in the following lists are correctly matched?
    Expansion Device Feature
    1. Capillary tube : Chocking
    2. Thermostatic Expansion valve : Constant temperature
    3. Automatic Expansion valve : Constant degree of superheat
    4. Float valve : Mass flow rate of refrigerant is proportional to load
    Select the correct answer using the codes given below. Codes:

    A) 1 and 2           

    B) 1 and 3

    C) 1 and 4            

    D) 3 and 4

    Correct Answer: D


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