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Pool Operator Exam Prep: 2025/2026 Questions and Answers, Exams of Workplace Safety

University of Virginia (UVA)Workplace Safety

A series of questions and answers related to pool operation, covering topics such as water chemistry, disinfection, filtration, and safety. It serves as a study guide or review material for individuals preparing for a pool operator certification exam. The questions address various aspects of pool maintenance, including ph balance, alkalinity, chlorine levels, algae control, and equipment operation. This material is useful for understanding the key principles and practices involved in maintaining safe and healthy swimming pool environments. It provides practical knowledge and guidelines for pool operators to ensure compliance with health and safety standards, making it a valuable resource for both new and experienced professionals in the field.

Typology: Exams

2024/2025

Available from 05/21/2025

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Pool Operator Exam 2025/2026 (Questions and 100%
Verified Answers)
The main drain purpose is to - ANSC. remove sediments and is located at the deep end of the
pool
The pressure differential between gauges on a pressure filter should not exeed - ANSB. 10psi
A sequestering agent may be used in a pool to - ANSA. prevent precipitation of minerals on pool
surfaces
The surface area of the regular swimming pool 30 feet wide and 75 feet long is - ANSC. 2,250
square feet
Which of the following conditions contribute to accelerated growth of algae in pools - ANSA.
sunlight, hot weather and high bather load
Chlorine can be used in which of the following forms - ANSD. 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? - ANSA. Shock the pool with chlorine
To raise pH what may be added to the swimming pool water? - ANSC. Soda ash
Low calcium hardness in the pool water will cause - ANSA. Corrosion of the pool fixtures
Bromine is sometimes used as a disinfectant - ANSB. 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 - ANSA. ANSI/NSPA Standard 5
A pool should be free of - ANSD. All of the above (floating debris, sediment an dirt, algae)
A shepherd's hook must be attached to a - ANSB. 16 foot one piece pole
Filtration is - ANSC. the process of removing suspended particles from the water
The volume of water going through a filter system is measured - ANSB. In gallons per minute
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Download Pool Operator Exam Prep: 2025/2026 Questions and Answers and more Exams Workplace Safety in PDF only on Docsity!

Pool Operator Exam 2025/2026 (Questions and 100%

Verified Answers)

The main drain purpose is to - ANSC. remove sediments and is located at the deep end of the pool The pressure differential between gauges on a pressure filter should not exeed - ANSB. 10psi A sequestering agent may be used in a pool to - ANSA. prevent precipitation of minerals on pool surfaces The surface area of the regular swimming pool 30 feet wide and 75 feet long is - ANSC. 2, square feet Which of the following conditions contribute to accelerated growth of algae in pools - ANSA. sunlight, hot weather and high bather load Chlorine can be used in which of the following forms - ANSD. 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? - ANSA. Shock the pool with chlorine To raise pH what may be added to the swimming pool water? - ANSC. Soda ash Low calcium hardness in the pool water will cause - ANSA. Corrosion of the pool fixtures Bromine is sometimes used as a disinfectant - ANSB. 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 - ANSA. ANSI/NSPA Standard 5 A pool should be free of - ANSD. All of the above (floating debris, sediment an dirt, algae) A shepherd's hook must be attached to a - ANSB. 16 foot one piece pole Filtration is - ANSC. the process of removing suspended particles from the water The volume of water going through a filter system is measured - ANSB. 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 - ANSD. 16, If a pool has a volume of 75,000 gallons and the turnover rate is 8 hours, the minimum required flow rate is - ANSC. 156.25 gallons per minute Microorganisms can be shielded from disinfectants if they are in suspended particles. This situation is caused by - ANSD. High turbidity levels The chemical name for dry chlorine is - ANSB. Calcium Hypochlorite Adding liquid or dry chlorine to the pool water has the following effects on pH - ANSB. Will raise the pH Alkalinity of swimming pool water is recommended to be maintained at - ANSB. 80 - 140ppm Chlorine is used in pool water not only to kill germs but to - ANSD. Oxidize organic contaminants To become a certified pool operator a person must - ANSD. Successfully complete training course in pool operations approved by local jurisdiction Handrails should be anchored into the - ANSD. Pool deck and bottom step An aid in removing small particles from the pool water is - ANSB. Flocculent To clean cartridge filters - ANSD. Soaked in degreaser and hosed off The amount of time that it takes for the total volume of the pool water to pass through the circulation system is called - ANSB. Turnover rate Stains on the interior pool surface are usually caused by - ANSD. All of the above (Copper, Manganese, Iron) The chemical name for liquid chlorine is - ANSA. Sodium Hypochlorite To raise alkalinity levels in the swimming pool water, what chemical is added - ANSB. Sodium bicarbonate Chloramines are - ANSB. A combination of chlorine and ammonia in the pool water According to recent statistics from the CDC, approximately how many water-related injuries are annually associated with swimming pool activities - ANSC. 140,

The hypo-chlorinator doesn't work. What could be a possible cause of this - ANSD. All of the above (no chlorine in the vat, the injection fitting is clogged, the tube assembly needs to be charged You go to the pool in the morning and notice the chlorine is a zero. You hand-feed chlorine, how long do you have to wait to allow people to go into the pool - ANSC. 30 minutes The recommended range to maintain pH is - ANSC. 7.2-7.