Question 9014 of 234 · California Wastewater Operator Exam
Water flows in a channel 4 ft wide at a depth of 1.5 ft. The flow is 9 cfs. What is the velocity?
Exactly one answer is correct.
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Correct answer to question 9014
- C: 1.5 ft/sec
Explanation
Area = 4 x 1.5 = 6 ft2. Velocity = Q / A = 9 / 6 = 1.5 ft/sec. Dividing by only the depth (6.0) or only the width (2.25) leaves out part of the area.
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