1. Engineering
  2. Civil Engineering
  3. problems 7 and 8...

Question: problems 7 and 8...

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4. A channel conveys a discharge of 210 cfs at a velocity of 5.45 ft/s. Find the cross-sectional area of the channel. 5. Refer to the following channel cross section. Normal depth is l.50 feet. (a)What is the cross-sectional area of flow? (b) What is the wetted perimeter? c) What is the hydraulic radius? 8.5 1.50 6. Refer to the following channel cross section. Normal depth is 3.0 feet. (a)What is the cross-sectional area of flow? (b) What is the wetted perimeter? (c) What is the hydraulic radius? 3.0 1.5 1.5 5.0 7. Refer to the following channel cross section. (a) What is the normal depth? (d) What is the hydraulic radius? 0.5 8. A trapezoidal channel with a bottom width of 4.00 feet and side slopes of 2 horizontal to l vertical has a normal depth of 5.0 feet. (a) What is the cross- sectional area of flow? What is the wetted perimeter? (c) What is the hy- draulic radius? Problems 7 and 8
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