Exam (elaborations)
POOL OPERATORS TEST QUESTIONS WITH ANSWERS
- Module
- Institution
POOL OPERATORS TEST QUESTIONS WITH ANSWERS
[Show more]
Seller
Follow
GEEKA
Reviews received
Content preview
POOL OPERATORS TEST QUESTIONS WITHANSWERS
12 Reasons to shut the pool - Answers-1. Danger to the public
2. chemical readings out of range (chlorine and pH)
3. no pool operator
4. no lifeguard/ CPR certificate
5. bathroom/ drains not working
6. pump not working for more than an hour
7. chlorinator not working
8. flow rate is too low
9. can't see the main drain (deepest part of the pool)
10. water is below the skimmer
11. no phone / landline
12. health inspector not allowed in
What is the lifeguard to swimmer ratio? - Answers-50-1
Certified Pool Operator must be how far in order for the pool to open? - Answers-15
minutes
How often should readings for pH and chlorine take place - Answers-every 1 hour
How long do records need to be held? - Answers-2 years at the pool and 3 years total
What is they key to a safe facility? - Answers-Prevention
Most drownings of victims happen when? - Answers-under 4 feet of water
under 4 feet tall
under 7 years old
What does water balance consist of? (5) - Answers-pH, Total Alkalinity, Calcium
Hardness, Temperature, and Total Dissolved solids
(chlorine only disinfects water, it does not maintain sanitary qualities)
when does corrosive water happen? - Answers--when the water balance is too low
-satisfies its hunger by dissolving it comes in contact with
-attacks metals and iron
If the pH of the water is too high what should you do? - Answers-1. Muriatic Acid (12 oz
per 10,000 gallons to decrease pH by 0.2 units)
2. Sodium Bisulfate/ Dry Acid (1 lb per 10,000 gallons)
, 3. Carbon Dioxide
If the pH of the water is too low what should you do? - Answers-Sodium Carbonate
(Soda Ash) - 6 oz per 10,000 gallons to increase pH by 0.2
What is Total Alkalinity - Answers-- represents the amount of carbonates, bicarbonates,
and hydroxides in a solution
- the ability if a solution to resist change in pH
pH Bounce - Answers-when the total alkalinity is too low their will be wide fluctuations of
pH (can be so unpredictable it can change hour to hour)
Health Department regulation for total alkalinity? - Answers-60-180
must be tested every week for the pool and every day for a spa
If total alkalinity is too high? - Answers-Muriatic Acid
If total alkalinity is too low? - Answers-Sodium Bicarbonate (soda ash)
Calcium Hardness - Answers-hardness is a measure of the mineral content of water
(water is referred to as too hard or too soft)
Hard Water - Answers-- produce scaling
- green tint
Soft Water - Answers--foams
-causes corrosion / destroy all metals
surface etching and pitting
Health Department regulation for calcium hardness? - Answers-150-400
must be checked every week for a pool and every day for a spa
If calcium hardness is too high? - Answers-drain and replace
if calcium hardness is too low? - Answers-calcium chloride (mix into Luke warm water
before adding to the pool because its an ice melt product)
Total dissolved solids - Answers-sum of all organic and inorganic materials dissolved in
the water
(ex: sweat, urine, minerals, salts)
When does scaling water happen? - Answers-- when water balance is too high
-relieve its overfed condition by releasing precipitates as scale , cloudiness, and residue
what is pH? - Answers-how basic or how acidic a solution is
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 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 GEEKA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.92. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now