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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