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Railways NTPC (Technical Ability) Metal Forming, Casting and Cutting Question Bank Metal Casting

  • question_answer
    Consider the specific speed ranges of the following types of turbines:
    1. Francis                      
    2. Kaplan
    3. Pelton.
    The sequence of their specific speed in increasing order is:

    A) 1, 2, 3              

    B) 3, 1, 2

    C) 3, 2, 1              

    D) 2, 3, 1

    Correct Answer: B

    Solution :

    The sequence of specific heat of hydraulic turbines in increasing order is Pelton \[\to \] Francis \[\to \] Kaplan, i,e 3, 1, 2


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