Question

Compare between most efficient triangular, trapezoidal (y=2), circular and rectangular channels to carry 20+X m3/s of flow using Manning’s equation (n=0.03 and slope 1 in 500)? Which one you will select (in ruaral areas of Oman) and why (compare on the basis of B, P, Volume of excavation needed per meter length and other considerations, cost, water loss) (X= 0.2 x last 2 digits of your ID) last 2 digitits is 77

Answer 1