Railways Technical Ability Instrument Mechanical Question Bank Instrument Mechanical

  • question_answer Consider the following turbines/wheels:
    1. Francis turbine
    2. Pelton wheel with two or more jets
    3. Pelton wheel with a single jet
    4. Kaplan turbine.
    The correct sequence of these turbines/wheels in increasing order of their specific speeds is:

    A) 2, 3, 1, 4                      

    B) 3, 2, 1, 4

    C) 2, 3, 4, 1                      

    D) 3, 2, 4, 1

    Correct Answer: B


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