Exam (elaborations)
CPO Module 3 Quiz Questions and Answers 2024
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Exam of 2 pages for the course CPO at CPO (CPO Module 3 Quiz)
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CPO Module 3 QuizWhich of the following describes water balance? - answer not ph
Why is carbon dioxide added to pool or spa water? - answer lower pH
You want to use sodium hypochlorite to raise the chlorine level in your pool. You need to raise the level by 6.0 ppm to super chlorinate. Your pool volume is 75,000 gallons. Using the chemical adjustment worksheet and the chemical adjustment guide, how much sodium hypochlorite do you need to add? - answer 3.76 gallons
What is disinfection? - answer Process of destroying microorganisms
As a disinfectant, what is ozone's limitation? - answer It leaves no residual disinfectant in the water
What is oxidation? - answer Process of changing the chemical structure of contaminants
Which of the following factors affect the disinfection process? - answer pH, temperature, and bather contamination
For formed (solid) stool accidents, pool operators should use the following procedure: - answer Maintain the pH between 7.2 and 7.5 and raise the chlorine level to 2.0 ppm
which of the following factors should you consider when choosing a disinfectant? - answer Chemical safety and storage space
What does total alkalinity measure? - answer Ability of water to resist changes in pH
How many pounds of calcium hypochlorite are needed to breakpoint chlorinate a 250,000 gallon pool if free chlorine is 2.0 ppm and total chlorine is 3.5 ppm? - answer 40.62 pounds
After testing your pool water, you discover there is not enough sanitizer. You need to add 3.0 ppm of chlorine. Your pool is 250,000 gallons and the disinfectant you are using
is calcium hypochlorite. Use your chemical adjustment worksheet and the chemical adjustment guide to calculate how much calcium hypochlorite to add. - answer 9.375
lbs
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