Question

1)
Determine the critical depth, critical slope and Froude Number at section
y=0.4 m in a 1 m wide rectangular channel carrying 1.5 m3
/s. n=0.014.
2)

Design a circular channel to convey Q=4 m3
/sec, in order to have
maximum velocity. n=0.014, S0=0.008..
3)

Design a circular channel to convey flow rate Q=3 m3/sec, in order to
have the flow depth y=1.5, n =0.014, bed slope 0.0006.

Answer 1