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

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1.	The distance from pipe boundary, at which the point velocity is equal to average velocity in case of turbulent flow (when R is the radius of the pipe), is
A.	0.892 R
B.	0.223 R
C.	0.446 R
D.	0.111 R
Answer» C. 0.446 R

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