Pool Operators Exam Questions With Correct Answers

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