POOL OPERATOR EXAM 2025 |
GUARANTEED ACCURATE
ANSWERS |VERIFIED
Whole range chlorine in a pool: ____ to _____ - ACCURATE
ANSWERS✔✔ 1, 5
Ideal range chlorine in a pool: ____ to _____ - ACCURATE
ANSWERS✔✔ 2, 4
Whole range chlorine in a spa: ____ to _____ - ACCURATE
ANSWERS✔✔ 2, 10
Ideal range chlorine in a spa: ____ to _____ - ACCURATE
ANSWERS✔✔ 3, 5
4 types of solid chlorine - ACCURATE ANSWERS✔✔ calcium
hypochlorite, lithium hypochlorite, trichlor, dichlor
Liquid chlorine - ACCURATE ANSWERS✔✔ sodium hypochlorite
(naocl)
How active is gas chlorine - ACCURATE ANSWERS✔✔ 100%
,The active killing form of chlorine in water - ACCURATE
ANSWERS✔✔ hypochlorous acid (hocl)
Hocl = ______ - ACCURATE ANSWERS✔✔ H+ (hydrogen ion) + ocl-
(hypochlorite ion)
Most common granular chlorine (ph range) - ACCURATE
ANSWERS✔✔ calcium hypochlorite (8.5 - 11, used to super chlorinate
water)
Not common form of chlorine due to low active strength (ph) -
ACCURATE ANSWERS✔✔ lithium hypochlorite (10.8)
Tablet/stick chlorine usually used in erosion feeder (ph - what will it
do?) - ACCURATE ANSWERS✔✔ trichlor (2.8 - 3.5, lower alkalinity
and ph over time)
Salt used as a disinfectant (ph) - ACCURATE ANSWERS✔✔ dichlor
(6.7 - common in vinyl lined pools)
Most common type of chlorine used (ph) - ACCURATE ANSWERS✔✔
sodium hypochlorite (naocl - 13)
______ needs special training to use and has a ph of ____ and will
_____ when added to water - ACCURATE ANSWERS✔✔ gas chlorine,
0, lower ph
, Chlorine is most effective as a ph of _____ - ACCURATE
ANSWERS✔✔ 7.5
Active disinfectant in the water - ACCURATE ANSWERS✔✔ free
chlorine (FC)
FC is determined by the ______ test and is maintained between ____
and ____ ppm - ACCURATE ANSWERS✔✔ DPD, 2, 4
Equal to the amount of hypochlorous acid (hocl) and the amt of
hypochlorite ions (ocl-) - ACCURATE ANSWERS✔✔ free chlorine (fc)
The result of free chlorine reacting with organic compounds -
ACCURATE ANSWERS✔✔ combine chlorine (CC)
Common name and max for pools and spas for combine chlorine -
ACCURATE ANSWERS✔✔ chloramines, 0.2, 0.5
CC = - ACCURATE ANSWERS✔✔ TC - FC
What will a DPD measure - ACCURATE ANSWERS✔✔ TC, FC
How much CC should a pool have ideally - ACCURATE
ANSWERS✔✔ zero
GUARANTEED ACCURATE
ANSWERS |VERIFIED
Whole range chlorine in a pool: ____ to _____ - ACCURATE
ANSWERS✔✔ 1, 5
Ideal range chlorine in a pool: ____ to _____ - ACCURATE
ANSWERS✔✔ 2, 4
Whole range chlorine in a spa: ____ to _____ - ACCURATE
ANSWERS✔✔ 2, 10
Ideal range chlorine in a spa: ____ to _____ - ACCURATE
ANSWERS✔✔ 3, 5
4 types of solid chlorine - ACCURATE ANSWERS✔✔ calcium
hypochlorite, lithium hypochlorite, trichlor, dichlor
Liquid chlorine - ACCURATE ANSWERS✔✔ sodium hypochlorite
(naocl)
How active is gas chlorine - ACCURATE ANSWERS✔✔ 100%
,The active killing form of chlorine in water - ACCURATE
ANSWERS✔✔ hypochlorous acid (hocl)
Hocl = ______ - ACCURATE ANSWERS✔✔ H+ (hydrogen ion) + ocl-
(hypochlorite ion)
Most common granular chlorine (ph range) - ACCURATE
ANSWERS✔✔ calcium hypochlorite (8.5 - 11, used to super chlorinate
water)
Not common form of chlorine due to low active strength (ph) -
ACCURATE ANSWERS✔✔ lithium hypochlorite (10.8)
Tablet/stick chlorine usually used in erosion feeder (ph - what will it
do?) - ACCURATE ANSWERS✔✔ trichlor (2.8 - 3.5, lower alkalinity
and ph over time)
Salt used as a disinfectant (ph) - ACCURATE ANSWERS✔✔ dichlor
(6.7 - common in vinyl lined pools)
Most common type of chlorine used (ph) - ACCURATE ANSWERS✔✔
sodium hypochlorite (naocl - 13)
______ needs special training to use and has a ph of ____ and will
_____ when added to water - ACCURATE ANSWERS✔✔ gas chlorine,
0, lower ph
, Chlorine is most effective as a ph of _____ - ACCURATE
ANSWERS✔✔ 7.5
Active disinfectant in the water - ACCURATE ANSWERS✔✔ free
chlorine (FC)
FC is determined by the ______ test and is maintained between ____
and ____ ppm - ACCURATE ANSWERS✔✔ DPD, 2, 4
Equal to the amount of hypochlorous acid (hocl) and the amt of
hypochlorite ions (ocl-) - ACCURATE ANSWERS✔✔ free chlorine (fc)
The result of free chlorine reacting with organic compounds -
ACCURATE ANSWERS✔✔ combine chlorine (CC)
Common name and max for pools and spas for combine chlorine -
ACCURATE ANSWERS✔✔ chloramines, 0.2, 0.5
CC = - ACCURATE ANSWERS✔✔ TC - FC
What will a DPD measure - ACCURATE ANSWERS✔✔ TC, FC
How much CC should a pool have ideally - ACCURATE
ANSWERS✔✔ zero
