Question 3004 of 229 · California Water Distribution Operator Exam
Which valve type takes many turns of the operator to close, which helps limit water hammer?
Exactly one answer is correct.
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Correct answer to question 3004
- B: Gate valve
Explanation
A gate valve closes gradually over many turns, so flow stops slowly. Butterfly, plug and ball valves are quarter-turn types that can be shut quickly.
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