Fluid Mechanics Mcqs

Q.  The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be_________________?

a. 0.423 D
b. 0.577 D
c. 0.223 D
d. 0.707 D


ANSWER: See Answer
 
where D is the depth of flow
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