Pool Operator Exam UPDATED Questions and CORRECT Answers
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Course
Pool operator
Institution
Pool Operator
Pool Operator Exam UPDATED
Questions and CORRECT Answers
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...
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
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