Question 5010 of 229 · California Water Distribution Operator Exam
What is a typical sign of a main break?
Exactly one answer is correct.
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Correct answer to question 5010
- D: A sudden pressure drop, surface water or discolored tap water
Explanation
Operators locate and isolate the break, then restore service and flush. Surface water may not appear if the leak flows into a drain.
More questions: Water Mains and Piping
- 5011Which method is used to locate a buried metallic pipe?
- 5012What is the purpose of a tracer wire installed with plastic pipe?
- 5013How is a temporary service set up during a main repair?
- 5014Which practice prevents contamination of a pipe being installed?
- 5015What is the correct way to lower a heavy pipe section into a trench?
- 5016What should be done with wet or unstable soil at the bottom of a trench before laying pipe?