Pool and Hot tub CPO practice || Error-free Answers 100%.
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 answers 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 answers fdsd
Which chemical is used to lower the pH value of pool or spa water? correct answers
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 answers
The daily opening checklist should be used to: correct answers
Evaporation heat losses from a pool are highest under which environmental condition? correct
answers
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 answers
When should you backwash high rate sand filters that have a single pressure gauge? correct
answers
Oxidation Reduction Potential testing (ORP) is measured in: correct answers
The reagent commonly used to test pH is: correct 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 answers 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 answers fdsd
Which chemical is used to lower the pH value of pool or spa water? correct answers
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 answers
The daily opening checklist should be used to: correct answers
Evaporation heat losses from a pool are highest under which environmental condition? correct
answers
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 answers
When should you backwash high rate sand filters that have a single pressure gauge? correct
answers
Oxidation Reduction Potential testing (ORP) is measured in: correct answers
The reagent commonly used to test pH is: correct answers
