Aquatic Facility Operator EXAM 2025
QUESTIONS AND ANSWERS
What is NOT one of the AFO's primary responsibilities? - ANS Teaching Lessons
What should you do every day as a part of your AFO safety duty program? - ANS Facility
Inspection
How many gallons of water is in one cubic ft? - ANS approximately 7.5
How do you calculate how many gallons are in a pool? - ANS 1. calculate the volume
(LxW)xDavg
2. multiple by 7.5 gallons
Law of Dilution - ANS During a turnover less than half of the water molecules pass through
the filter
What kind of pools need a higher turnover? - ANS Special pools
When do gutters NOT work? - ANS when flooded
1
Page
What do surge pits need? - ANS room to contain surge flow
@COPYRIGHT BRAINBARTER 2025/2026
, What do modulating float valves regulate? - ANS the amount of water contributed by the
bottom outlet by slowly restricting the bottom drain valve as the water level in the surge pit
rises
What are the two types of pumps? - ANS Self-Priming and Flooded Suction Centrifugal
4 inches = - ANS 400 gpm
What does eliminating dead spots mean? - ANS Heated and treated water is equally
distributed in the pool
Horizontal High Rate Sand Filter - ANS increases surface area
When do you backwash? - ANS When the pressure differential indicates it is needed
When do you body feeding (DE) ? - ANS during the filter cycle
What is oxidation? - ANS a chemical process that destroys organic compounds in the pool
water
What is disinfection? - ANS the chemical process that kills or deactivates pathogens
What does oxidation do? - ANS destroys organics
What does sanitation do? - ANS destroys bacteria
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Page
What does poor oxidation result in? - ANS cloudy turbid water
@COPYRIGHT BRAINBARTER 2025/2026
QUESTIONS AND ANSWERS
What is NOT one of the AFO's primary responsibilities? - ANS Teaching Lessons
What should you do every day as a part of your AFO safety duty program? - ANS Facility
Inspection
How many gallons of water is in one cubic ft? - ANS approximately 7.5
How do you calculate how many gallons are in a pool? - ANS 1. calculate the volume
(LxW)xDavg
2. multiple by 7.5 gallons
Law of Dilution - ANS During a turnover less than half of the water molecules pass through
the filter
What kind of pools need a higher turnover? - ANS Special pools
When do gutters NOT work? - ANS when flooded
1
Page
What do surge pits need? - ANS room to contain surge flow
@COPYRIGHT BRAINBARTER 2025/2026
, What do modulating float valves regulate? - ANS the amount of water contributed by the
bottom outlet by slowly restricting the bottom drain valve as the water level in the surge pit
rises
What are the two types of pumps? - ANS Self-Priming and Flooded Suction Centrifugal
4 inches = - ANS 400 gpm
What does eliminating dead spots mean? - ANS Heated and treated water is equally
distributed in the pool
Horizontal High Rate Sand Filter - ANS increases surface area
When do you backwash? - ANS When the pressure differential indicates it is needed
When do you body feeding (DE) ? - ANS during the filter cycle
What is oxidation? - ANS a chemical process that destroys organic compounds in the pool
water
What is disinfection? - ANS the chemical process that kills or deactivates pathogens
What does oxidation do? - ANS destroys organics
What does sanitation do? - ANS destroys bacteria
2
Page
What does poor oxidation result in? - ANS cloudy turbid water
@COPYRIGHT BRAINBARTER 2025/2026
