In case of laminar flow of fluid through a circular pipe, the__________________?

A. Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the

B. Shear stress over the cross-section is proportional to the distance from the surface of the pipe

C. ume of circumscribing cylinder</strong>

D. Velocity profile varies hyperbolically and the shear stress remains constant over the crosssection

E. Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

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