Pool Operator Exam (Graded A+)
The main drain purpose is to correct 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 correct answers B. 10psi A sequestering agent may be used in a pool to correct 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 correct answers C. 2,250 square feet Which of the following conditions contribute to accelerated growth of algae in pools correct answers A. sunlight, hot weather and high bather load Chlorine can be used in which of the following forms correct 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? correct answers A. Shock the pool with chlorine To raise pH what may be added to the swimming pool water? correct answers C. Soda ash Low calcium hardness in the pool water will cause correct answers A. Corrosion of the pool fixtures Bromine is sometimes used as a disinfectant correct answers B. Because it is more stable at higher temperatures than chlorine
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- September 3, 2023
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