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Certified Pool Operator (CPO) Exam Expected Questions and Answers (Verified Answers)
- 12 Reasons to shut the pool
Ans: 1. Danger to the public
- chemical readings out of range (chlorine and pH)
- no pool operator
- no lifeguard/ CPR certificate
- bathroom/ drains not working
- pump not working for more than an hour
- chlorinator not working
- flow rate is too low
- can't see the main drain (deepest part of the pool)
- water is below the skimmer
- no phone / landline 1 / 3
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- health inspector not allowed in
- What is the lifeguard to swimmer ratio?
Ans: 50-1
- Certified Pool Operator must be how far in order for the pool to open?
Ans: 15 minutes
- How often should readings for pH and chlorine take place
Ans: every 1 hour
- How long do records need to be held?
Ans: 2 years at the pool and 3 years total
- What is they key to a safe facility? 2 / 3
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Ans: Prevention
- Most drownings of victims happen when?
Ans: under 4 feet of water under 4 feet tall
under 7 years old
- What does water balance consist of? (5)
Ans: pH, Total Alkalinity, Calcium Hard- ness, Temperature, and Total Dissolved
solids
(chlorine only disinfects water, it does not maintain sanitary qualities)
- when does corrosive water happen?
Ans: -when the water balance is too low
-satisfies its hunger by dissolving it comes in contact with -attacks metals and iron
- When does scaling water happen?
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