POOL AND HOT TUB CPO PRACTICE (2026) EXAM QUESTIONS AND ALL CORRECT
ANSWERS 100% SOLVED AND GUARANTEED SUCCESS!!
1
You are the operator for a pool which is 164 feet long and 80 f
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?
You operate a pool which uses high rate sand filters. You fdsd
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?
Which chemical is used to lower the pH value of pool or spa
water?
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?
The daily opening checklist should be used to:
Evaporation heat losses from a pool are highest under which
environmental condition?
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?
When should you backwash high rate sand filters that have a
single pressure gauge?
Oxidation Reduction Potential testing (ORP) is measured in:
The reagent commonly used to test pH is:
1/4
ANSWERS 100% SOLVED AND GUARANTEED SUCCESS!!
1
You are the operator for a pool which is 164 feet long and 80 f
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?
You operate a pool which uses high rate sand filters. You fdsd
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?
Which chemical is used to lower the pH value of pool or spa
water?
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?
The daily opening checklist should be used to:
Evaporation heat losses from a pool are highest under which
environmental condition?
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?
When should you backwash high rate sand filters that have a
single pressure gauge?
Oxidation Reduction Potential testing (ORP) is measured in:
The reagent commonly used to test pH is:
1/4
