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AQUATIC FACILITY OPE RATOR
ALREADY GRADED A+
Question : What is NOT one of the AFO's primary
responsibilities?
Correct answer: Teaching Lessons
Question : What should you do every day as a part of
your AFO safety duty program?
Correct answer: Facility Inspection
Question : How many gallons of water is in one cubic ft?
Correct answer: approximately 7.5
Question : How do you calculate how many gallons are in
a pool?
Correct answer: 1. calculate the volume (LxW)xDavg2.
multiple by 7.5 gallons
Question : Law of Dilution
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Correct answer: During a turnover less than half of the
water molecules pass through the filter
Question : What kind of pools need a higher turnover?
Correct answer: Special pools
Question : When do gutters NOT work?
Correct answer: when flooded
Question : What do surge pits need?
Correct answer: room to contain surge flow
Question : What do modulating float valves regulate?
Correct answer: 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
Question : What are the two types of pumps?
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Correct answer: Self-Priming and Flooded Suction
Centrifugal
Question : 4 inches =
Correct answer: 400 gpm
Question : What does eliminating dead spots mean?
Correct answer: Heated and treated water is equally
distributed in the pool
Question : Horizontal High Rate Sand Filter
Correct answer: increases surface area
Question : When do you backwash?
Correct answer: When the pressure differential indicates it
is needed
Question : When do you body feeding (DE) ?
Correct answer: during the filter cycle
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Question : What is oxidation?
Correct answer: a chemical process that destroys organic
compounds in the pool water
Question : What is disinfection?
Correct answer: the chemical process that kills or
deactivates pathogens