Calculate the average shear stress if the friction factor is 0.28 and – McqOptions

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1.	Calculate the average shear stress if the friction factor is 0.28 and velocity of flow is 1.5m⁄s.
A.	60N/m2
B.	70N/m2
C.	80N/m2
D.	90N/m2
Answer» D.

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