1.

Design a channel carrying a 30 cumecs. The median grain diameter is taken as 0.5 mm. The bedload concentration is 60 p.p.m by weight. Use Lacey’s Regime perimeter and Meyer-peter’s formulas.

A. B = 26 m, S = 1/5600, y = 1.25 m
B. B = 22 m, S = 1/5800, y = 1.55 m
C. B = 24 m, S = 1/5500, y = 1.45 m
D. B = 25 m, S = 1/5700, y = 1.35 m
Answer» E.


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