Question 3011 of 229 · California Water Distribution Operator Exam

After shutting off a dry-barrel hydrant, how can an operator confirm the barrel is draining?

Exactly one answer is correct.

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Correct answer to question 3011

  • A: Hold a hand over a nozzle and feel suction as the barrel drains

Explanation

Suction at the nozzle shows the drain valve is open and the barrel is emptying. A barrel that stays full can freeze or become contaminated.

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