Question 6008 of 223 · California Water Treatment Operator Exam
Water flows at 800 gpm through a 12-inch pipe. What is the approximate velocity in ft/sec? (1 cfs = 449 gpm)
Exactly one answer is correct.
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Correct answer to question 6008
- B: 2.27 ft/sec
Explanation
Flow = 800 / 449 = 1.78 cfs. Area = 0.785 x 1 x 1 = 0.785 sq ft. Velocity = Q / A = 1.78 / 0.785 = 2.27 ft/sec.
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