Refer to the channel cross section shown in problem 7 in Chapter 6. Disregard the water level shown in the cross section, and find a new normal depth if the channel slope is 1.25 percent and the...

Refer to the channel cross section shown in problem 7 in Chapter 6. Disregard the water level


shown in the cross section, and find a new normal depth if the channel slope is 1.25 percent and


the discharge is 300 cfs. The lining is concrete (trowel finish).