Pool Operator's (NVPools) Exam
Questions and Answers 100% Pass
Surface Area (rectangle,circle) - ✔✔length x width
Pool Volume (rectangle,circle) - ✔✔length x width x average depth x 7.5
Chlorine comes in 3 forms - ✔✔solid, liquid and gas
When chlorine is combined with water also referred as free chlorine which is the active
killing disinfectant form of chlorine it forms - ✔✔Hypochlorous Acid
most common disinfectant used to treat a pool, effective in sanitizing water by killing or
inactivating pathogens and algae, used to oxidize or destroy other materials from the
environment - ✔✔Chlorine
Chemicals used to neutralize chlorine - ✔✔sodium sulfite
Acceptable range of free chlorine in a swimming pool - ✔✔1.0 to 3.0 ppm
Acceptable range of chlorine in a spa - ✔✔3.0 to 5.0
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, evaporate and are the cause of chlorine smell, are irritating to the skin and mucous
membrane, caused by chlorine combining it self to organic maters such as ammonia -
✔✔Chloramines
Combine chlorine formula - ✔✔Combine Chlorine equals Total Chlorine plus Free
Chlorine
has a pH of about 9, when added to water it raises the pH of the water - ✔✔Liquid
chlorine
calcium hypochlorite, lithium hypochlorite, trichlor and dichlor - ✔✔Forms of dry
chlorine
deteriorates quickly into exposed air; it's affected by sunlight and high temps Chemical
name for liquid chlorine - ✔✔sodium hypochlorite
Cyanuric Acid (CA) is used to - ✔✔stabilize chlorine
Cyanuric Acid (CA) should be maintained between - ✔✔30 to 50 ppm
When using Cyanuric Acid (CA) to stabilize a pool the chlorine level must stay above -
✔✔2 ppm
The acceptable range of Bromine in a pool or a spa - ✔✔3 ppm
disinfectant some times used instead of chlorine, can be used as an effective sanitizer -
✔✔Bromine
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Questions and Answers 100% Pass
Surface Area (rectangle,circle) - ✔✔length x width
Pool Volume (rectangle,circle) - ✔✔length x width x average depth x 7.5
Chlorine comes in 3 forms - ✔✔solid, liquid and gas
When chlorine is combined with water also referred as free chlorine which is the active
killing disinfectant form of chlorine it forms - ✔✔Hypochlorous Acid
most common disinfectant used to treat a pool, effective in sanitizing water by killing or
inactivating pathogens and algae, used to oxidize or destroy other materials from the
environment - ✔✔Chlorine
Chemicals used to neutralize chlorine - ✔✔sodium sulfite
Acceptable range of free chlorine in a swimming pool - ✔✔1.0 to 3.0 ppm
Acceptable range of chlorine in a spa - ✔✔3.0 to 5.0
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 1
, evaporate and are the cause of chlorine smell, are irritating to the skin and mucous
membrane, caused by chlorine combining it self to organic maters such as ammonia -
✔✔Chloramines
Combine chlorine formula - ✔✔Combine Chlorine equals Total Chlorine plus Free
Chlorine
has a pH of about 9, when added to water it raises the pH of the water - ✔✔Liquid
chlorine
calcium hypochlorite, lithium hypochlorite, trichlor and dichlor - ✔✔Forms of dry
chlorine
deteriorates quickly into exposed air; it's affected by sunlight and high temps Chemical
name for liquid chlorine - ✔✔sodium hypochlorite
Cyanuric Acid (CA) is used to - ✔✔stabilize chlorine
Cyanuric Acid (CA) should be maintained between - ✔✔30 to 50 ppm
When using Cyanuric Acid (CA) to stabilize a pool the chlorine level must stay above -
✔✔2 ppm
The acceptable range of Bromine in a pool or a spa - ✔✔3 ppm
disinfectant some times used instead of chlorine, can be used as an effective sanitizer -
✔✔Bromine
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 2
