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Discussion :: UPSC Civil Service Exam Questions

  1. The velocity distribution for flow over a plate is given by u = 0.5 y - y2 where u is the velocity in m/s at a distance y metre above the plate. If the dynamic viscosity of the fluid is 0.9 N/m2, then what is the shear stress at 0.20 m from the boundary?

    2. A.
    0.9 N/m2
    B.
    1.8 N/m2
    C.
    2.25 N/m2
    D.
    0.09 N/m2

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    Answer : Option D

    Explanation :

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