1. A concrete rectangular channel with a bottom width of 6.0 feet and a slope of 0.5 percent conveys a discharge of 225 cfs (n  0.015). Determine whether the flow is subcritical or supercritical. 2....

1. A concrete rectangular channel with a bottom width of 6.0 feet and a slope of 0.5 percent conveys a discharge of 225 cfs (n
 0.015). Determine whether the flow is subcritical or supercritical.

2. If the channel in problem 1 has a slope of 1.0 percent, is the flow subcritical or supercritical?

problem 1

A concrete rectangular channel with a bottom width of 6.0 feet and a slope of 0.5 percent conveys a discharge of 225 cfs (n
 0.015). Determine whether the flow is subcritical or supercritical.