Railways Sample Paper RRB (Group D) Sample Test Paper-2

  • question_answer
    Cryogenic is a science deals with

    A)  High Temperatures

    B)  Low Pressure

    C)  High Pressure

    D)  Low Temperature

    Correct Answer: D

    Solution :

    [d] Cryogenics is the study of the production and Behaviour of materials at very low temperatures.


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