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Pool Operator's Final Exam questions & answers 2023

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Pool Operator's Final Exam questions & answers 2023The percentage of hypoclorous acid formation is most influenced by: pH Pool painting is usually done: Before opening in the spring 00:10 01:20 When a pool is chlorinated with gas chlorine, the operator must also use: Soda...

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  • 31 maart 2023
  • 5
  • 2022/2023
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  • when a poo
  • pool operators final exam questions amp answers 2023
  • the percentage of hypoclorous acid formation is most influenced by ph
  • pool painting is usually done before opening in the spring

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Voorbeeld van de inhoud

Pool Operator's Final Exam questions & answers 2023
The percentage of hypochlorous acid formation is most influenced by: - correct answer pH
Pool painting is usually done: - correct answer Before opening in the spring
When a pool is chlorinated with gas chlorine, the operator must also use: - correct answer Soda Ash
The term "chlorine demand" refers to: - correct answer The amount of chlorine which will react with substances in the pool
Re-circulation pumps used in swimming pools are the type called: - correct answer Centrifugal pumps
Reversing the flow of water through the filters is called: - correct answer Backwash
"Slurry feed" or "body feed" refers to: - correct answer Diatomite added during a filter run
The term pH is determined by the concentration of: - correct answer Hydrogen ions
Because carbonate ions combine with hydrogen ions, sodium carbonate will cause pH to: - correct answer Rise
When enough chlorine is added to cause complete oxidation of all organic compounds, a sudden drop in residual chlorine may be noticed. The point at which this occurs is called the: - correct answer Break-point
"Residual chlorine" refers to: - correct answer The amount left in the water after oxidation of organic material
Which of the following is NOT considered a swimming pool disinfectant: - correct answer Chlorinated hydrocarbons
When chlorine is used as a disinfectant for swimming pools, the form in which it's disinfectant properties are the greatest is: - correct answer Hypochlorous acid
The chemical most commonly used to raise pH is: - correct answer Sodium carbonate
An example of a chemical used to stabilize chlorine is: - correct answer Cyanuric acid The chemical reagent recommended by the health department to test chlorine residual in swimming pools is: - correct answer D.P.D.
The chemical reagent used most often to test pH in swimming pools is: - correct answer Phenol red
Considering all factors, which of the following would be the BEST range for pH in a swimming pool: - correct answer 7.2-7.8
The minimum turnover rate to obtain 100% clarity in a pool is: - correct answer Once in eight hours
There is a noticeable odor of chlorine around your pool and bathers are complaining of eye irritation. Which of the following is most likely to solve the problem: - correct answer
Break point chlorination
As pH increases, chlorine effectiveness: - correct answer Decreases
In a high-rate sand filter system, the tanks are backwashed: - correct answer All at once
The baffle in the filter tank is there to: - correct answer Disperse water evenly over the surface of the filter media
An access manhole is constructed on each tank in sand and anthracite filter systems: - correct answer All of the above
A hair and lint strainer should be located: - correct answer Before the pump and before the filter
Sodium hypochlorite used as a pool sanitizer also affects the water pH in the following manner: - correct answer Raises
Chlorine gas will ________ the pH: - correct answer Lower
DE systems should be turned off for a "rest": - correct answer Never
If the filter run is started with clean filters, the difference between the influent and effluent gauges should be: - correct answer Very little
Glass containers are: - correct answer Never allowed in the pool enclosure
Which of the following factors would produce a greater consumption of disinfectant in a pool: - correct answer Bather load plus sunlight

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