Pool Operator Exam questions and answers 2026\2027
A+ Grade
The main drain purpose is to
- correct answer C. remove sediments and is located at the deep end of the pool
The pressure differential between gauges on a pressure filter should not exeed
- correct answer B. 10psi
A sequestering agent may be used in a pool to
- correct answer A. prevent precipitation of minerals on pool surfaces
The surface area of the regular swimming pool 30 feet wide and 75 feet long is
- correct answer C. 2,250 square feet
Which of the following conditions contribute to accelerated growth of algae in pools
- correct answer A. sunlight, hot weather and high bather load
Chlorine can be used in which of the following forms
- correct answer D. all of the above (gas, liquid, powder)
There are complaints of red eyes in the swimmers and chlorine odors are present. The alkalinity is
100ppm, the hardness is 240ppm, the pH is 7,4 and the chlorine level is 1.0ppm. What should the
operator do?
- correct answer A. Shock the pool with chlorine
To raise pH what may be added to the swimming pool water?
- correct answer C. Soda ash
, Low calcium hardness in the pool water will cause
- correct answer A. Corrosion of the pool fixtures
Bromine is sometimes used as a disinfectant
- correct answer B. Because it is more stable at higher temperatures than chlorine
Components and materials used for commercial swimming pools, spas, and hot tubs must comply with
what standard
- correct answer A. ANSI/NSPA Standard 5
A pool should be free of
- correct answer D. All of the above (floating debris, sediment an dirt, algae)
A shepherd's hook must be attached to a
- correct answer B. 16 foot one piece pole
Filtration is
- correct answer C. the process of removing suspended particles from the water
The volume of water going through a filter system is measured
- correct answer B. In gallons per minute
The volume of water in a rectangular pool is 15 feet wide, 50 feet long and has a constant depth of 3
feet
- correct answer D. 16,830
If a pool has a volume of 75,000 gallons and the turnover rate is 8 hours, the minimum required flow
rate is
- correct answer C. 156.25 gallons per minute
Microorganisms can be shielded from disinfectants if they are in suspended particles. This situation is
caused by
- correct answer D. High turbidity levels
A+ Grade
The main drain purpose is to
- correct answer C. remove sediments and is located at the deep end of the pool
The pressure differential between gauges on a pressure filter should not exeed
- correct answer B. 10psi
A sequestering agent may be used in a pool to
- correct answer A. prevent precipitation of minerals on pool surfaces
The surface area of the regular swimming pool 30 feet wide and 75 feet long is
- correct answer C. 2,250 square feet
Which of the following conditions contribute to accelerated growth of algae in pools
- correct answer A. sunlight, hot weather and high bather load
Chlorine can be used in which of the following forms
- correct answer D. all of the above (gas, liquid, powder)
There are complaints of red eyes in the swimmers and chlorine odors are present. The alkalinity is
100ppm, the hardness is 240ppm, the pH is 7,4 and the chlorine level is 1.0ppm. What should the
operator do?
- correct answer A. Shock the pool with chlorine
To raise pH what may be added to the swimming pool water?
- correct answer C. Soda ash
, Low calcium hardness in the pool water will cause
- correct answer A. Corrosion of the pool fixtures
Bromine is sometimes used as a disinfectant
- correct answer B. Because it is more stable at higher temperatures than chlorine
Components and materials used for commercial swimming pools, spas, and hot tubs must comply with
what standard
- correct answer A. ANSI/NSPA Standard 5
A pool should be free of
- correct answer D. All of the above (floating debris, sediment an dirt, algae)
A shepherd's hook must be attached to a
- correct answer B. 16 foot one piece pole
Filtration is
- correct answer C. the process of removing suspended particles from the water
The volume of water going through a filter system is measured
- correct answer B. In gallons per minute
The volume of water in a rectangular pool is 15 feet wide, 50 feet long and has a constant depth of 3
feet
- correct answer D. 16,830
If a pool has a volume of 75,000 gallons and the turnover rate is 8 hours, the minimum required flow
rate is
- correct answer C. 156.25 gallons per minute
Microorganisms can be shielded from disinfectants if they are in suspended particles. This situation is
caused by
- correct answer D. High turbidity levels
