Pool Operators Exam 2023 with 100% correct answers

Surface Area Length x Width (square/rectangle) pi(r)^2 (circle) Maximum facility load (bather load) Surface area/27 Volume Surface Area x average depth x 7.5 Turnover (main, wading, spa) 6 hours, 2 hours, 15 minutes Minimum flow rate Volume/turnover/60 Maximum flow rate is based on? Filter specifications Components of Swimming Pool Recirculation and Filtration Pump, Piping, Filter Another name for a filter data sheet? Placard Hi-rate sand filter SAND: Operates at 15-20 GPM, filters up to 20 microns GLASS: filters up to 5 microns Conventional Sand Operates at 3 GPM Diatomaceous Earth Operates at 2 GPM, filters to 5 microns (vacuum, pressure) What can be used in DE filters as an alternative to DE? Perlite Perlite Operates at 2 GPM, filters to 3 microns Cartridge Operates at 3 GPM, filters to 10 microns Regenerative Media Filters Perlite (heated, crushed, volcanic rock) Operates at 2 GPM/sq. ft. Water flow during a normal filter cycle is? Swimming pool, influent, h&l strainer, filter, effluent, swimming pool Pressure gauges measure? PSI Flow meters measure? GPM Pressure differential is? Influent - effluent What causes a loss in flow rate? Increased pressure differential