Exam (elaborations)
CPO Module 3 Quiz Questions and Answers 2024
- Course
- Institution
Exam of 2 pages for the course CPO at CPO (CPO Module 3 Quiz)
[Show more]
Content preview
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81113 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now