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Discussion :: UPSC Civil Service Exam Questions

  1. For laminar flow through a circular tube, the average velocity at a section is

  2. A.
    the same as that at the centre of tube
    B.
    two-thirds the velocity at the centre of the tube
    C.
    half the velocity at the centre of the tube
    D.
    dependent on the pressure at the section

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    Answer : Option C

    Explanation :

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