Aquatic Facility Operator questions well answered graded A+

Aquatic Facility Operator questions
well answered graded A+

Teaching Lessons - ANS ✔What is NOT one of the AFO's primary responsibilities?



Facility Inspection - ANS ✔What should you do every day as a part of your AFO safety duty
program?



approximately 7.5 - ANS ✔How many gallons of water is in one cubic ft?



1. calculate the volume (LxW)xDavg

2. multiple by 7.5 gallons - ANS ✔How do you calculate how many gallons are in a pool?



During a turnover less than half of the water molecules pass through the filter - ANS ✔Law of
Dilution



Special pools - ANS ✔What kind of pools need a higher turnover?



when flooded - ANS ✔When do gutters NOT work?



room to contain surge flow - ANS ✔What do surge pits need?



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 - ANS ✔What do modulating float valves regulate?



Self-Priming and Flooded Suction Centrifugal - ANS ✔What are the two types of pumps?

, 400 gpm - ANS ✔4 inches =



Heated and treated water is equally distributed in the pool - ANS ✔What does eliminating dead
spots mean?



increases surface area - ANS ✔Horizontal High Rate Sand Filter



When the pressure differential indicates it is needed - ANS ✔When do you backwash?



during the filter cycle - ANS ✔When do you body feeding (DE) ?



a chemical process that destroys organic compounds in the pool water - ANS ✔What is
oxidation?



the chemical process that kills or deactivates pathogens - ANS ✔What is disinfection?



destroys organics - ANS ✔What does oxidation do?



destroys bacteria - ANS ✔What does sanitation do?



cloudy turbid water - ANS ✔What does poor oxidation result in?



HOCl - ANS ✔What is the desirable chlorine compound?



because it oxidizes AND sanitizes - ANS ✔Why is HOCl the desirable chlorine compound?