For flow of water in tube, the velocity at surface is ___________ – McqOptions

MCQOPTIONS

1.	For flow of water in tube, the velocity at surface is ___________
A.	zero
B.	equal to velocity at 1/3 of diameter
C.	equal to velocity at 1/2 of diameter
D.	equal to velocity at centre
Answer» B. equal to velocity at 1/3 of diameter

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