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...
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
Written for
Pool Operator
Pool Operator
2
reviews
By: mamericoiii • 10 months ago
By: ramirezpoolservice30 • 1 year ago
Seller
Follow
maxiscore
Reviews received
Content preview
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
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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller maxiscore. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R345,73. You're not tied to anything after your purchase.