POOL OPERATOR EXAM QUESTIONS AND ALL CORRECT ANSWERS 100% SOLVED AND GUARANTEED SUCCESS!!

POOL OPERATOR EXAM QUESTIONS
AND ALL CORRECT ANSWERS 100%
SOLVED AND GUARANTEED SUCCESS!!
whole range chlorine in a pool: ____ to _____ - (answers)1, 5



ideal range chlorine in a pool: ____ to _____ - (answers)2, 4



whole range chlorine in a spa: ____ to _____ - (answers)2, 10



ideal range chlorine in a spa: ____ to _____ - (answers)3, 5



4 types of solid chlorine - (answers)calcium hypochlorite, lithium hypochlorite,
trichlor, dichlor



liquid chlorine - (answers)sodium hypochlorite (NaOCl)



how active is gas chlorine - (answers)100%



the active killing form of chlorine in water - (answers)hypochlorous acid (HOCl)



HOCl = ______ - (answers)H+ (hydrogen ion) + OCl- (hypochlorite ion)

, most common granular chlorine (pH range) - (answers)calcium hypochlorite (8.5 -
11, used to super chlorinate water)



not common form of chlorine due to low active strength (pH) - (answers)lithium
hypochlorite (10.8)



tablet/stick chlorine usually used in erosion feeder (pH - what will it do?) -
(answers)trichlor (2.8 - 3.5, lower alkalinity and pH over time)



salt used as a disinfectant (pH) - (answers)dichlor (6.7 - common in vinyl lined
pools)



most common type of chlorine used (pH) - (answers)sodium hypochlorite (NaOCl -
13)



______ needs special training to use and has a pH of ____ and will _____ when
added to water - (answers)gas chlorine, 0, lower pH



chlorine is most effective as a pH of _____ - (answers)7.5



active disinfectant in the water - (answers)free chlorine (FC)



FC is determined by the ______ test and is maintained between ____ and ____
ppm - (answers)DPD, 2, 4