1.

D is the diameter of a circular sewer and α is the side of a square section sewer. If both are hydraulically equivalent, the relationship which holds good, is

A. πD8/3 = 4 b8/3
B. πD3/8 = 4 b3/8
C. πD2/3 = 4 b2/3
D. πD3/2 = 4 b3/2
Answer» B. œÄD3/8 = 4 b3/8


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