The distance y from pipe boundary, at which the point velocity is equ – McqOptions

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1.	The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)
A.	0.223 R
B.	0.423 R
C.	0.577 R
D.	0.707 R
Answer» B. 0.423 R

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