Civil Engineering > GATE 2021 SET-1 > Fluid Mechanics
A fluid flowing steadily in a circular pipe of radius R has a velocity that is everywhere parallel to the axis (centerline) of the pipe. The velocity distribution along the radial direction is Vr = U(1 - (r2 / R2)), where r is the radial distance as measured from the pipe axis and U is the maximum velocity at r = 0. The average velocity of the fluid in the pipe is
Correct : a
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