Hydraulic mean depth (Dm) for a circular pipe of diameter 'D' flowing – McqOptions

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1.	Hydraulic mean depth (D_m) for a circular pipe of diameter 'D' flowing full is 0.25 D. For a circular channel, at D_m = 0.3 D, gives the condition for the maximum
A.	flow rate
B.	mean velocity
C.	both 'a' & 'b'
D.	neither 'a' nor 'b'
Answer» C. both 'a' & 'b'

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