Question 3001 of 229 · California Water Distribution Operator Exam
Which valve is normally used to isolate a section of main and is operated fully open or fully closed?
Exactly one answer is correct.
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Correct answer to question 3001
- D: Gate valve
Explanation
Gate valves give a full, unobstructed opening when open and are not designed for throttling. Throttling erodes the gate and seat.
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