Aquatic Facility Operator || Questions and Correct Detailed
Answers.
What is NOT one of the AFO's primary responsibilities? correct answers Teaching Lessons
What should you do every day as a part of your AFO safety duty program? correct answers
Facility Inspection
How many gallons of water is in one cubic ft? correct answers approximately 7.5
How do you calculate how many gallons are in a pool? correct answers 1. calculate the volume
(LxW)xDavg
2. multiple by 7.5 gallons
Law of Dilution correct answers During a turnover less than half of the water molecules pass
through the filter
What kind of pools need a higher turnover? correct answers Special pools
When do gutters NOT work? correct answers when flooded
What do surge pits need? correct answers room to contain surge flow
What do modulating float valves regulate? correct answers 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? correct answers Self-Priming and Flooded Suction Centrifugal
, 4 inches = correct answers 400 gpm
What does eliminating dead spots mean? correct answers Heated and treated water is equally
distributed in the pool
Horizontal High Rate Sand Filter correct answers increases surface area
When do you backwash? correct answers When the pressure differential indicates it is needed
When do you body feeding (DE) ? correct answers during the filter cycle
What is oxidation? correct answers a chemical process that destroys organic compounds in the
pool water
What is disinfection? correct answers the chemical process that kills or deactivates pathogens
What does oxidation do? correct answers destroys organics
What does sanitation do? correct answers destroys bacteria
What does poor oxidation result in? correct answers cloudy turbid water
What is the desirable chlorine compound? correct answers HOCl
Why is HOCl the desirable chlorine compound? correct answers because it oxidizes AND
sanitizes
Answers.
What is NOT one of the AFO's primary responsibilities? correct answers Teaching Lessons
What should you do every day as a part of your AFO safety duty program? correct answers
Facility Inspection
How many gallons of water is in one cubic ft? correct answers approximately 7.5
How do you calculate how many gallons are in a pool? correct answers 1. calculate the volume
(LxW)xDavg
2. multiple by 7.5 gallons
Law of Dilution correct answers During a turnover less than half of the water molecules pass
through the filter
What kind of pools need a higher turnover? correct answers Special pools
When do gutters NOT work? correct answers when flooded
What do surge pits need? correct answers room to contain surge flow
What do modulating float valves regulate? correct answers 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? correct answers Self-Priming and Flooded Suction Centrifugal
, 4 inches = correct answers 400 gpm
What does eliminating dead spots mean? correct answers Heated and treated water is equally
distributed in the pool
Horizontal High Rate Sand Filter correct answers increases surface area
When do you backwash? correct answers When the pressure differential indicates it is needed
When do you body feeding (DE) ? correct answers during the filter cycle
What is oxidation? correct answers a chemical process that destroys organic compounds in the
pool water
What is disinfection? correct answers the chemical process that kills or deactivates pathogens
What does oxidation do? correct answers destroys organics
What does sanitation do? correct answers destroys bacteria
What does poor oxidation result in? correct answers cloudy turbid water
What is the desirable chlorine compound? correct answers HOCl
Why is HOCl the desirable chlorine compound? correct answers because it oxidizes AND
sanitizes
