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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)