Pool Operator Exam Questions and Answers 100% Pass

Pool Operator Exam Questions and Answers 100% Pass whole range chlorine in a pool: ____ to _____ - Correct Answer ️️ -1, 5 ideal range chlorine in a pool: ____ to _____ - Correct Answer ️️ -2, 4 whole range chlorine in a spa: ____ to _____ - Correct Answer ️️ -2, 10 ideal range chlorine in a spa: ____ to _____ - Correct Answer ️️ -3, 5 4 types of solid chlorine - Correct Answer ️️ -calcium hypochlorite, lithium hypochlorite, trichlor, dichlor liquid chlorine - Correct Answer ️️ -sodium hypochlorite (NaOCl) how active is gas chlorine - Correct Answer ️️ -100% the active killing form of chlorine in water - Correct Answer ️️ -hypochlorous acid (HOCl) HOCl = ______ - Correct Answer ️️ -H+ (hydrogen ion) + OCl- (hypochlorite ion) most common granular chlorine (pH range) - Correct Answer ️️ -calcium hypochlorite (8.5 - 11, used to super chlorinate water) not common form of chlorine due to low active strength (pH) - Correct Answer ️️ - lithium hypochlorite (10.8) tablet/stick chlorine usually used in erosion feeder (pH - what will it do?) - Correct Answer ️️ -trichlor (2.8 - 3.5, lower alkalinity and pH over time) salt used as a disinfectant (pH) - Correct Answer ️️ -dichlor (6.7 - common in vinyl lined pools) most common type of chlorine used (pH) - Correct Answer ️️ -sodium hypochlorite (NaOCl - 13) ______ needs special training to use and has a pH of ____ and will _____ when added to water - Correct Answer ️️ -gas chlorine, 0, lower pH chlorine is most effective as a pH of _____ - Correct Answer ️️ -7.5 active disinfectant in the water - Correct Answer ️️ -free chlorine (FC) FC is determined by the ______ test and is maintained between ____ and ____ ppm - Correct Answer ️️ -DPD, 2, 4 equal to the amount of hypochlorous acid (HOCl) and the amt of hypochlorite ions (OCl- ) - Correct Answer ️️ -free chlorine (fc) the result of free chlorine reacting with organic compounds - Correct Answer ️️ - combine chlorine (CC) common name and max for pools and spas for combine chlorine - Correct Answer ️️ - chloramines, 0.2, 0.5 CC = - Correct Answer ️️ -TC - FC what will a DPD measure - Correct Answer ️️ -TC, FC how much CC should a pool have ideally - Correct Answer ️️ -zero shocking the pool is also called - Correct Answer ️️ -breakpoint chlorination