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Discussion :: Fluid Mechanics

  1. Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time't'. α = a co-efficient to be experimentally determined)?

    2. A.

     ε = ε0 + α.t
    B.

     ε = ε0 + α.t²
    C.

     ε = ε0 + α.t³
    D.

     ε = ε0 + α.t⁴

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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