CPO certified pool operator Study guides, Class notes & Summaries

CPO certified pool operator Exam questions & Answers 2024 ( A+ GRADED 100% VERIFIED)

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whole range chlorine in a pool: ____ to _____ 1, 5 ideal range chlorine in a pool: ____ to _____ 2, 4 whole range chlorine in a spa: ____ to _____ 2, 10 ideal range chlorine in a spa: ____ to _____ 3, 5 4 types of solid chlorine calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine sodium hypochlorite (NaOCl) how active is gas chlorine 100% the active killing form of chlorine in water hypochlorous acid (HOCl) HOCl = ______ H+ (hydrogen ion) + OCl- ...

Ideal bromine level in a pool and spa is: 3ppm to 6ppm Ideal chorine level for a pool is: 1ppm to 5ppm Maximum level of chlorine in a pool is: 5ppm If you see bubbles coming up from a return, the possible cause could be a bad seal on the hair/lint strainer - it is not properly closed, or air is in the filter, or water level is too low The hypochlorinator doesn't work. What could be a possible cause for this? a) no chlorine in the vat b) the injection fitting is clogged c) the tub...

What are the 11 reasons for closure of the pool? 1) A lifeguard is not on the pool deck of a general use pool, or a spa guard is not on the premises of a spa 2) The main drain is not clearly visible form the nearest lifeguard chair 3) The free chlorine, total bromine, pH, or cyanuric acid readings of the pool water are other than specified under section II, B 1 4) The recirculating equipment is not working properly for more than one hour 5) the water level is below the skimmers in th...

The percentage of hypoclorous acid formation is most influenced by: pH Pool painting is usually done: Before opening in the spring When a pool is chlorinated with gas chlorine, the operator must also use: Soda Ash The term "chlorine demand" refers to: The amount of chlorine which will react with substances in the pool Re-circulation pumps used in swimming pools are the type called: Centrifugal pumps Reversing the flow of water through the filters is called: Backwash "Slurry ...