POOL OPERATOR FINAL 2027 EXAMS ANSWERS
AND QUESTIONS SET A+
✔✔High rate sand filters are able to filter - ✔✔15-20 square foot of water per minute
✔✔The flow of water through the filter is measured in - ✔✔gallons per minute GPM
✔✔Chloramines are what combined? - ✔✔Chlorine and Ammonia
✔✔To have breakpoint level of chlorine at a pool you must have what? - ✔✔10 times
the level of Chloramines
✔✔If a patron smells chloramines (bad chlorine) you must do what? - ✔✔Shock the
pool - raising the chlorine level to 10
✔✔Shocking the pool is also called what - ✔✔Breakpoint Chlorination of the pool water
✔✔If patrons complain of red eyes and odor that means - ✔✔Chloramines are present
✔✔The max temperature of a spa is - ✔✔104 Fahrenheit
✔✔If you are using gas chlorine at your pool then what needs to be well ventilated -
✔✔Filter room
✔✔If there is no diving allowed the sign NO DIVING needs to be posted where? -
✔✔Every 20 feet
✔✔Commercial swimming pools and spas are regulated by - ✔✔ASPIINSPA
✔✔Resistance is caused by what? - ✔✔Friction and Head Loss
✔✔Handrails are anchored to what two places? - ✔✔Pool deck and bottom step
, ✔✔To clean a cartridge filter you must do what - ✔✔Soak it in degreaser and hose it off
✔✔Why is bromine used? - ✔✔It is more stable at high temperatures
✔✔Cyanuric acid is commonly called? - ✔✔Stabilizer
✔✔How fast does Chlorine kill bacteria when added to a pool? - ✔✔Immediately
✔✔Chlorine in a natural state is what? - ✔✔Green colored gas
✔✔Pressure differential should never exceed what - ✔✔10 P.S.I.
✔✔What is the most difficult algae to control and it often needs superchlorination and
brushing - ✔✔Black Algae
✔✔What does a sequestering agent do? - ✔✔Prevent precipitation of minerals on the
surface of the pool
✔✔Cloudy water (turbid water) may be caused by what - ✔✔Poor filtration/circulation,
unbalanced water (on the scaling side), algae bloom (in this case the pool's surface is
slippery), heavy bather load, and suspended solids
✔✔A shepherd's hook must be on a what? - ✔✔16 foot fixed pole (not telescopic)
✔✔What is an aid for removing small particles from the pool - ✔✔Flocculent
✔✔Sunlight, hot weather, and high bather load contribute to what? - ✔✔Accelerated
growth of algae
✔✔Sodium hypochlorite (liquid chlorine) deteriorates quickly in what conditions? -
✔✔Heat, sunlight and contamination
✔✔Microorganisms can be shielded from disinfectants if they are in suspended
particles. This caused by what? - ✔✔High Turbidity levels
✔✔When you are handling pool chemicals you must wear what equipment? -
✔✔Googles, apron, and gloves
✔✔Bubbles in the water mean what? - ✔✔Air in the filter
✔✔Cyanuric acid is commonly called - ✔✔Stabilizer
AND QUESTIONS SET A+
✔✔High rate sand filters are able to filter - ✔✔15-20 square foot of water per minute
✔✔The flow of water through the filter is measured in - ✔✔gallons per minute GPM
✔✔Chloramines are what combined? - ✔✔Chlorine and Ammonia
✔✔To have breakpoint level of chlorine at a pool you must have what? - ✔✔10 times
the level of Chloramines
✔✔If a patron smells chloramines (bad chlorine) you must do what? - ✔✔Shock the
pool - raising the chlorine level to 10
✔✔Shocking the pool is also called what - ✔✔Breakpoint Chlorination of the pool water
✔✔If patrons complain of red eyes and odor that means - ✔✔Chloramines are present
✔✔The max temperature of a spa is - ✔✔104 Fahrenheit
✔✔If you are using gas chlorine at your pool then what needs to be well ventilated -
✔✔Filter room
✔✔If there is no diving allowed the sign NO DIVING needs to be posted where? -
✔✔Every 20 feet
✔✔Commercial swimming pools and spas are regulated by - ✔✔ASPIINSPA
✔✔Resistance is caused by what? - ✔✔Friction and Head Loss
✔✔Handrails are anchored to what two places? - ✔✔Pool deck and bottom step
, ✔✔To clean a cartridge filter you must do what - ✔✔Soak it in degreaser and hose it off
✔✔Why is bromine used? - ✔✔It is more stable at high temperatures
✔✔Cyanuric acid is commonly called? - ✔✔Stabilizer
✔✔How fast does Chlorine kill bacteria when added to a pool? - ✔✔Immediately
✔✔Chlorine in a natural state is what? - ✔✔Green colored gas
✔✔Pressure differential should never exceed what - ✔✔10 P.S.I.
✔✔What is the most difficult algae to control and it often needs superchlorination and
brushing - ✔✔Black Algae
✔✔What does a sequestering agent do? - ✔✔Prevent precipitation of minerals on the
surface of the pool
✔✔Cloudy water (turbid water) may be caused by what - ✔✔Poor filtration/circulation,
unbalanced water (on the scaling side), algae bloom (in this case the pool's surface is
slippery), heavy bather load, and suspended solids
✔✔A shepherd's hook must be on a what? - ✔✔16 foot fixed pole (not telescopic)
✔✔What is an aid for removing small particles from the pool - ✔✔Flocculent
✔✔Sunlight, hot weather, and high bather load contribute to what? - ✔✔Accelerated
growth of algae
✔✔Sodium hypochlorite (liquid chlorine) deteriorates quickly in what conditions? -
✔✔Heat, sunlight and contamination
✔✔Microorganisms can be shielded from disinfectants if they are in suspended
particles. This caused by what? - ✔✔High Turbidity levels
✔✔When you are handling pool chemicals you must wear what equipment? -
✔✔Googles, apron, and gloves
✔✔Bubbles in the water mean what? - ✔✔Air in the filter
✔✔Cyanuric acid is commonly called - ✔✔Stabilizer
