Pool and Hot tub CPO practice questions with verified
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detailed answers ||
You are the operator for a pool which is 164 feet long and 80 feet wide. The pool bottom has
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a constant slope which is 4 feet deep at the shallow end, and 10 feet deep at the deep end.
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What is the volume of this pool in gallons? - correct answer✔✔f
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You operate a pool which uses high rate sand filters. You discover that your filter tank has
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developed a major leak and must be replaced. Your pool operates with a flow rate of 525
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GPM. Using a filter media rate (fmr) of 15 gallons per minute, what size sand filter would
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you need to replace your damaged filter? - correct answer✔✔fdsd
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Which chemical is used to lower the pH value of pool or spa water? - correct answer✔✔
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You have a 25,000 gallon hotel pool with a calcium hardness level of 170 ppm. How much
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calcium chloride (77%) would be required to increase this to 250 PPM? - correct answer✔✔
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The daily opening checklist should be used to: - correct answer✔✔
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Evaporation heat losses from a pool are highest under which environmental condition? -
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correct answer✔✔ ||
How much sodium thiosulfate would you need to lower the free chlorine from 18 ppm to
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2.0 ppm in an 150,000 gallon pool? - correct answer✔✔
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When should you backwash high rate sand filters that have a single pressure gauge? -
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correct answer✔✔ ||
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detailed answers ||
You are the operator for a pool which is 164 feet long and 80 feet wide. The pool bottom has
|| || || || || || || || || || || || || || || || || || || ||
a constant slope which is 4 feet deep at the shallow end, and 10 feet deep at the deep end.
|| || || || || || || || || || || || || || || || || || || ||
What is the volume of this pool in gallons? - correct answer✔✔f
|| || || || || || || || || || ||
You operate a pool which uses high rate sand filters. You discover that your filter tank has
|| || || || || || || || || || || || || || || || ||
developed a major leak and must be replaced. Your pool operates with a flow rate of 525
|| || || || || || || || || || || || || || || || ||
GPM. Using a filter media rate (fmr) of 15 gallons per minute, what size sand filter would
|| || || || || || || || || || || || || || || || ||
you need to replace your damaged filter? - correct answer✔✔fdsd
|| || || || || || || || ||
Which chemical is used to lower the pH value of pool or spa water? - correct answer✔✔
|| || || || || || || || || || || || || || || ||
You have a 25,000 gallon hotel pool with a calcium hardness level of 170 ppm. How much
|| || || || || || || || || || || || || || || || ||
calcium chloride (77%) would be required to increase this to 250 PPM? - correct answer✔✔
|| || || || || || || || || || || || || ||
The daily opening checklist should be used to: - correct answer✔✔
|| || || || || || || || || ||
Evaporation heat losses from a pool are highest under which environmental condition? -
|| || || || || || || || || || || || ||
correct answer✔✔ ||
How much sodium thiosulfate would you need to lower the free chlorine from 18 ppm to
|| || || || || || || || || || || || || || || ||
2.0 ppm in an 150,000 gallon pool? - correct answer✔✔
|| || || || || || || || ||
When should you backwash high rate sand filters that have a single pressure gauge? -
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correct answer✔✔ ||
