Aquatic Facility Operator Exam Questions with Verified Solutions 2024

Aquatic Facility Operator Exam Questions with Verified Solutions 2024 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