Pool Operator Exam 2024 With Solutions

Pool Operator Exam 2024 With Solutions whole range chlorine in a pool: ____ to _____ - Answer -1, 5 ideal range chlorine in a pool: ____ to _____ - Answer -2, 4 whole range chlorine in a spa: ____ to _____ - Answer -2, 10 ideal range chlorine in a spa: ____ to _____ - Answer -3, 5 4 types of solid chlorine - Answer -calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine - Answer -sodium hypochlorite (NaOCl) how active is gas chlorine - Answer -100% the active killing form of chlorine in water - Answer -hypochlorous acid (HOCl) HOCl = ______ - Answer -H+ (hydrogen ion) + OCl- (hypochlorite ion) most common granular chlorine (pH range) - Answer -calcium hypochlorite (8.5 - 11, used to super chlorinate water) not common form of chlorine due to low active strength (pH) - Answer -lithium hypochlorite (10.8) tablet/stick chlorine usually used in erosion feeder (pH - what will it do?) - Answer -trichlor (2.8 - 3.5, lower alkalinity and pH over time) salt used as a disinfectant (pH) - Answer -dichlor (6.7 - common in vinyl lined pools) most common type of chlorine used (pH) - Answer -sodium hypochlorite (NaOCl - 13) ______ needs special training to use and has a pH of ____ and will _____ when added to water - Answer -gas chlorine, 0, lower pH chlorine is most effective as a pH of _____ - Answer -7.5 active disinfectant in the water - Answer -free chlorine (FC)