Certified Pool Operator Final Exam 2024 / 2025 Expected Questions and Answers (Verified Answers)

Certified Pool Operator Final Exam 2024 / 2025 Expected Questions and Answers (Verified Answers) • • • • • The main drain purpose is to - ANSWERS C. remove sediments and is located at the deep end of the pool The pressure differential between gauges on a pressure filter should not exeed - ANSWERS B. 10psi A sequestering agent may be used in a pool to - ANSWERS A. prevent precipitation of minerals on pool surfaces The surface area of the regular swimming pool 30 feet wide and 75 feet long is - ANSWERS C. 2,250 square feet Which of the following conditions contribute to accelerated growth of algae in pools - ANSWERS A. sunlight, hot weather and high bather load Chlorine can be used in which of the following forms - ANSWERS D. all of the above (gas, liquid, powder) There are complaints of red eyes in the swimmers and chlorine odors are present. The alkalinity is 100ppm, the hardness is 240ppm, the pH is 7,4 and the chlorine level is 1.0ppm. What should the operator do? - ANSWERS A. Shock the pool with chlorine To raise pH what may be added to the swimming pool water? - ANSWERS C. Soda ash Low calcium hardness in the pool water will cause - ANSWERS A. Corrosion of the pool fixtures Bromine is sometimes used as a disinfectant - ANSWERS B. Because it is more stable at higher temperatures than chlorine Components and materials used for commercial swimming pools, spas, and hot tubs must comply with what standard - ANSWERS A. ANSI/NSPA Standard 5