A fluid is flowing through a pipe of radius R. For fully developed lam – McqOptions

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1.	A fluid is flowing through a pipe of radius R. For fully developed laminar flow through pipe, shear stress is maximum at (r is measured from midpoint):
A.	at wall surface (r = R)
B.	at r = R/2
C.	at midpoint (r = 0)
D.	at r = R/√2
Answer» B. at r = R/2

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