The distribution of shear stress in a stream of fluid in a circular tu

1.	The distribution of shear stress in a stream of fluid in a circular tube is
A.	linear with radius for turbulent flow only.
B.	linear with radius for laminar flow only.
C.	linear with radius for both laminar & turbulent flow.
D.	parabolic with radius for both laminar & turbulent flow.
Answer» D. parabolic with radius for both laminar & turbulent flow.

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The distribution of shear stress in a stream of fluid in a circular tube is

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