M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following flows have the highest critical Reynolds number (lower)?

(A) flow in a pipe
(B) flow between parallel plates
(C) flow in an open channel
(D) flow around spherical body
Correct : Option (A)

Explanation: 
 the approximate lower critical reynolds number for flow in a pipe, flow between parallel plates, flow in an open channel and flow around the spherical body are 2000, 1000, 500 and 1 respectively.

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