Question 5026 of 229 · California Water Distribution Operator Exam
What is the C-factor (Hazen-Williams coefficient) a measure of?
Exactly one answer is correct.
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Correct answer to question 5026
- B: The smoothness of the inside of a pipe
Explanation
A higher C means smoother pipe and less friction loss. Tuberculated old iron may have a C of 60 to 100, while new plastic is about 140 to 150.
More questions: Water Mains and Piping
- 5027Which C-factor best fits new PVC pipe?
- 5028What causes tuberculation inside iron pipe?
- 5029Which effect results from heavy tuberculation?
- 5030Which method can clean a main by pushing a foam swab through it?
- 5031How is a leak in a buried main commonly pinpointed?
- 5032Which factor makes leak detection by sound more difficult?