M

Mr. Dubey • 52.30K Points
Coach 

Q. The entrance length or length of establishment of flow is

(A) The length in which the boundary layer remains uniform
(B) The pipe length inside the reservoir
(C) The length of pipe from its entrance in which the flow may be assumed irrotational
(D) The initial length in which the flow develops fully such that the velocity profile does not change downstream.
Correct : Option (D)

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