For more practice problems: https://www.waterandwastewatercourses.com/

If you’re getting ready to take the Water Distribution Operator Certification Exam, watch this video, which covers 4 practice problems. It’s fairly short, but it contains helpful information that can be used as a study guide. The practice problems that are covered in this video are the type of questions you will see on the Water Distribution Operator Certification Exam.

Here’s a summary of what’s covered in the video. The answers to the questions are at the bottom of this page.

*PRACTICE PROBLEMS*

At what depths is shoring required in a trench if it’s excavated in soil?

A. 3 feet or deeper

B. 4 feet or deeper

C. 5 feet or deeper

D. 6 feet or deeper

2. Which of the following is a positive displacement meter?

A. Venturi meter

B. Turbine meter

C. Nutating disc meter

D. Propeller meter

3. What does the C factor for a pipe represent?

A. Strength of the pipe

B. Flexibility of the pipe

C. Thickness of the pipe

D. Roughness of the pipe interior

4. What is used to locate a chlorine gas leak?

A. Hydrogen peroxide

B. Ammonia solution

C. Sulfur

D. Distilled water

*ANSWERS:*

1. C. (5 feet or deeper)

2. C. (Nutating disc meter)

3. D. (Roughness of the pipe interior)

4. B. (Ammonia solution)

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6 Comments

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  1. If you're taking the water operator exam, go to the following link for more practice questions: https://www.waterandwastewatercourses.com/ .

  2. Joseph Rodriguez 2 years ago

    What exactly do i need to get or study for a water system operator certification ONE

  3. Gi Yau 2 years ago

    Is that certificate for US WATER TREATMENT OPERATOR?

  4. Khaleej Kha 2 years ago

    Thanks

  5. Tyler Vasquez 2 years ago

    This is very helpful, thank you.

  6. jayden derees 2 years ago

    do you have any more sample questions the was very helpful

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