Question 7023 of 229 · California Water Distribution Operator Exam
What is the capacity of an 8-inch pipe flowing at 4 feet per second, in gallons per minute?
Exactly one answer is correct.
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Correct answer to question 7023
- B: 626 gpm
Explanation
Area = 0.785 x 0.667^2 = 0.349 sq ft. Q = 0.349 x 4 = 1.40 cfs x 7.48 x 60 = 626 gpm. Using 8 as the diameter in feet overstates the capacity.
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