Aquatic Facility Operator 41 Questions and Answers, Exams of Nursing

Download Aquatic Facility Operator 41 Questions and Answers and more Exams Nursing in PDF only on Docsity! Aquatic Facility Operator 41 Questions and Answers What is NOT one of the AFO's primary responsibilities? - ✔T️eaching Lessons What should you do every day as a part of your AFO safety duty program? - ✔F️acility Inspection How many gallons of water is in one cubic ft? - ✔a️pproximately 7.5 How do you calculate how many gallons are in a pool? - ✔1️. calculate the volume (LxW)xDavg 2. multiple by 7.5 gallons Law of Dilution - ✔D️uring a turnover less than half of the water molecules pass through the filter What kind of pools need a higher turnover? - ✔S️pecial pools When do gutters NOT work? - ✔w️hen flooded What do surge pits need? - ✔r️oom to contain surge flow What do modulating float valves regulate? - ✔t️he 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? - ✔S️elf-Priming and Flooded Suction Centrifugal 4 inches = - ✔4️00 gpm What does eliminating dead spots mean? - ✔H️eated and treated water is equally distributed in the pool Horizontal High Rate Sand Filter - ✔i️ncreases surface area When do you backwash? - ✔W️hen the pressure differential indicates it is needed When do you body feeding (DE) ? - ✔d️uring the filter cycle What is oxidation? - ✔a️ chemical process that destroys organic compounds in the pool water What is disinfection? - ✔t️he chemical process that kills or deactivates pathogens What does oxidation do? - ✔d️estroys organics What does sanitation do? - ✔d️estroys bacteria What does poor oxidation result in? - ✔c️loudy turbid water What is the desirable chlorine compound? - ✔H️OCl Why is HOCl the desirable chlorine compound? - ✔b️ecause it oxidizes AND sanitizes When is HOCl produced? - ✔U️pon gas chlorine, sodium hypochlorite (bleach) or calcium hypochlorite being added to water pH of soda ash - ✔d️issolved in water pH 13+ Safety considerations for chemical handling require what? - ✔e️ye wash station When are chloramines formed? - ✔u️nder a heavy organic load with low chlorine levels, often with limited air movement How do you get rid of chloramines? - ✔y️ou super chlorinate How do you obtain combined chlorine? - ✔(️TC)-(FC) = combined chlorine How do you calculate breakpoint calculation? - ✔m️ultiply CC by 10 What should you always do when handling chemicals? - ✔w️ear protective equipment