Exam (elaborations)
POOL OPS EXAM QUESTIONS WITH COMPLETE SOLUTIONS
- Course
- Institution
POOL OPS EXAM QUESTIONS WITH COMPLETE SOLUTIONS
[Show more]
Content preview
POOL OPS EXAM QUESTIONS WITHCOMPLETE SOLUTIONS
How many water related injuries annually? - Answer-140,000
How many feet deep is needed for diving? - Answer-6 feet
What do built in stairs in shallow areas need? - Answer-A secure handrail
Who is responsible for maintaining the daily pool operation log? - Answer-Certified Pool
Operator
Where is the strongest point of suction in a pool? - Answer-The main drain
How many ladders or stairways must exist in a pool? - Answer-2
What is filtration? - Answer-The physical process of removing suspended particles from
pool water
As dirt accumulates inside a filter - Answer-The amount of water that can pass through
decreases
What is channeling? - Answer-A damaging condition that occurs over time in a sand
filter
What is backwashing? - Answer-The process of removing accumulated particles from
inside a sand filter
What is a typical filter rate of high rate sand filters? - Answer-15-25 gallons per min. per
sq. ft.
What is the volume of water going through a filter system measured in? - Answer-
gallons per minute
What is the turnover rate for a typical pool? - Answer-6 hours
What is the equation for surface area of a rectangular pool? - Answer-Length x width =
surface area
Equation for surface area of circular pool? - Answer-Pi x radius^2
What is the equation for the volume of a pool? - Answer-Length x width x depth x 7.48
, What is a turnover rate? - Answer-The amount of time it takes for the total volume of
pool water to pass through the circulation system
What is the equation for min. Required flow rate? - Answer-Volume / turnover rate / 60
Why does algae form in pools? - Answer-Poor water circulation
What can black algae do? - Answer-Penetrate into the plaster of the pool surface and
cause damage
How do you remove stains from the interior pool surface - Answer-Drain and acid wash
Chlorine gas... - Answer-Requires special handling, heavier than air, must be stored in
rooms that are well ventilated
What is the recommended level of chlorine? - Answer-1-10ppm
How can you remove a chlorine odor? - Answer-Shock the pool
How do you sanitize and remove algae? - Answer-Add chlorine
How do you raise the pH - Answer-Add chlorine
What should you do if the pool becomes cloudy and you can't see the main drain? -
Answer-Close the poil
What does chlorine do? - Answer-Kill germs and oxidizes organic matter
When performing superchlorination to oxidize combined chlorines what level should the
free chlorine be raised to? - Answer-10x level of combined chlorines
What is the max safe temp. for spa pool water? - Answer-104 degrees
What does the main drain do? - Answer-Removes sediments and is located in the deep
end
What does a sequestering agent do? - Answer-Prevent precipitation of minerals on the
surface of the pool
What can lead to accelerated algae growth? - Answer-Sunlight, hot weather, high
bather load
What can high turbidity levels cause? - Answer-Microorganisms to be shielded from
disinfectants if they are suspended particles
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 biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now