Pool Operator Exam fully solved 2023 and verified

Pool Operator Exam fully solved 2023 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) FC is determined by the ______ test and is maintained between ____ and ____ ppm - Answer - DPD, 2, 4 equal to the amount of hypochlorous acid (HOCl) and the amt of hypochlorite ions (OCl-) - Answer - free chlorine (fc) the result of free chlorine reacting with organic compounds - Answer - combine chlorine (CC) common name and max for pools and spas for combine chlorine - Answer - chloramines, 0.2, 0.5 CC = - Answer - TC - FC what will a DPD measure - Answer - T