Hydraulic mean depth (Dm) for a circular pipe of diameter ‘D’ flow – McqOptions

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1.	Hydraulic mean depth (Dm) for a circular pipe of diameter ‘D’ flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum ?
A.	Flow rate
B.	Mean velocity
C.	Both ‘a’ & ‘b’
D.	Neither ‘a’ nor ‘
Answer» C. Both ‘a’ & ‘b’

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