Certified Pool Operator Practice Exam |
Questions and Correct Answers Rated
A+ | 2025/2026 Guide
1. Spas and hot tubs require a higher level of chlorine than in swimming
pools. The free available chlorine concentration should be maintained at
ppm with hourly checks during heavy use.
-Correct Answer-3 0-5.0
2. According to the Certified Pool - Spa Operator Handbook, filtration and
recirculation pumps should operate _______________ hours continuously
for public spas and therapy pools.
-Correct Answer-24
3. The addition of Trichlor Tables to a swimming pool has what effect of the
pH level?
-Correct Answer-lowers pH
4. Heat loss to the ground from a pool through its sides, bottom, pipes and
filters is called .
-Correct Answer-conduction
,5. Water clarity is measured in units of .
-Correct Answer-turbidity
6. A valve has a vertical disc or wedge attached to a long threaded stem
that when rotated either seals or unblocks the flow of water.
-Correct Answer-gate
7. According to the Certified Pool - Spa Operator Handbook, cyanuric acid
levels shall not exceed local health codes. In many cases the limit is ppm.
-Correct Answer-100 ppm
8. What is the name of the area of a centrifugal pump that converts water
energy from velocity to pressure?
-Correct Answer-volute
9. How much sodium bicarbonate should be added to a 2,000 gallon spa to
increase the total alkalinity by 14ppm?
-Correct Answer-6.27 oz
, 10. Pools of similar surface area located in the same geographical region,
but with differing water depths will have the same .
-Correct Answer-surface heat loss
11. According to The Certified Pool - Spa Operator Handbook, pressure
head is calculated by multiplying the psi by .
-Correct Answer-2.31
12. 1 pound per square inch (psi) is the pressure created by a column of
water feet high.
-Correct Answer-2.31
13. In a pool containing 35,000 gallons which is 15 x 40 ft with the temp of
65 degrees F, BTU's would be required to raise the water temperature to 75
degrees F if the air temp is 65 degrees F.
-Correct Answer-2,915,500
14. To raise FC in a 20,000 gallon pool by 2.0 ppm would require ounces of
calcium hypochlorite.
-Correct Answer-8
15. Pool surface area accounts for percent of heat loss.
Questions and Correct Answers Rated
A+ | 2025/2026 Guide
1. Spas and hot tubs require a higher level of chlorine than in swimming
pools. The free available chlorine concentration should be maintained at
ppm with hourly checks during heavy use.
-Correct Answer-3 0-5.0
2. According to the Certified Pool - Spa Operator Handbook, filtration and
recirculation pumps should operate _______________ hours continuously
for public spas and therapy pools.
-Correct Answer-24
3. The addition of Trichlor Tables to a swimming pool has what effect of the
pH level?
-Correct Answer-lowers pH
4. Heat loss to the ground from a pool through its sides, bottom, pipes and
filters is called .
-Correct Answer-conduction
,5. Water clarity is measured in units of .
-Correct Answer-turbidity
6. A valve has a vertical disc or wedge attached to a long threaded stem
that when rotated either seals or unblocks the flow of water.
-Correct Answer-gate
7. According to the Certified Pool - Spa Operator Handbook, cyanuric acid
levels shall not exceed local health codes. In many cases the limit is ppm.
-Correct Answer-100 ppm
8. What is the name of the area of a centrifugal pump that converts water
energy from velocity to pressure?
-Correct Answer-volute
9. How much sodium bicarbonate should be added to a 2,000 gallon spa to
increase the total alkalinity by 14ppm?
-Correct Answer-6.27 oz
, 10. Pools of similar surface area located in the same geographical region,
but with differing water depths will have the same .
-Correct Answer-surface heat loss
11. According to The Certified Pool - Spa Operator Handbook, pressure
head is calculated by multiplying the psi by .
-Correct Answer-2.31
12. 1 pound per square inch (psi) is the pressure created by a column of
water feet high.
-Correct Answer-2.31
13. In a pool containing 35,000 gallons which is 15 x 40 ft with the temp of
65 degrees F, BTU's would be required to raise the water temperature to 75
degrees F if the air temp is 65 degrees F.
-Correct Answer-2,915,500
14. To raise FC in a 20,000 gallon pool by 2.0 ppm would require ounces of
calcium hypochlorite.
-Correct Answer-8
15. Pool surface area accounts for percent of heat loss.
