WATER DISTRIBUTION OPERATOR CERTIFICATION EXAM - 4 PRACTICE PROBLEMS скачать в хорошем качестве

WATER DISTRIBUTION OPERATOR CERTIFICATION EXAM - 4 PRACTICE PROBLEMS

For more practice problems: https://www.waterandwastewatercourses... To enroll in an online course: https://courses.waterandwastewatercou... Grade 1: https://courses.waterandwastewatercou... Grade 2: https://courses.waterandwastewatercou... Grade 3: https://courses.waterandwastewatercou... Grade 4: https://courses.waterandwastewatercou... 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)