POOL OPERATOR EXAM 2 EXAM PREP 2026
PRACTICE SOLUTION STUDY GUIDE
◉ Unfiltered Water Reduction. Answer: The amount of unfiltered
water is reduced to 5% after four turnovers.
◉ Backwash Rate for Sand Filters. Answer: The necessary backwash
rate to achieve proper agitation when backwashing sand filters is 10
gpm/sf.
◉ Diatomaceous Earth Filter Area. Answer: A diatomaceous earth
filter containing six diatomaceous earth leaf elements each
measuring 4' x 2.5' will provide for a filter area of 8' x 8'.
◉ Filter Surface Area Requirement. Answer: A circular filter tank
with a 3 foot diameter and a height of 4 feet will require a filter
surface area of 7.07 square feet.
◉ Flow Rate for Rectangular Pool. Answer: A rectangular swimming
pool measuring 32' x 30', with an average water depth of 5' and a
turnover rate of 6 hours, will have a flow rate of 114.00 gallons per
minute.
, ◉ Turnover Rate. Answer: The time it takes for the entire volume of
water in a pool to be filtered and recirculated.
◉ Filter Area. Answer: The surface area of the filter media used in a
pool's filtering system.
◉ Filter Media Rate. Answer: The rate at which water is filtered
through a specific area of filter media, typically measured in gallons
per minute per square foot.
◉ Evaporation Energy Loss. Answer: The percentage of energy loss
in a pool caused by evaporation.
◉ Flow Rate. Answer: The volume of water that is circulated through
the pool's filtering system, typically measured in gallons per minute.
◉ Diatomaceous Earth Filter. Answer: A type of filter that uses
diatomaceous earth as the filtering medium.
◉ Suction Velocity. Answer: The maximum speed at which water can
flow through the suction piping of a pump, measured in feet per
second.
PRACTICE SOLUTION STUDY GUIDE
◉ Unfiltered Water Reduction. Answer: The amount of unfiltered
water is reduced to 5% after four turnovers.
◉ Backwash Rate for Sand Filters. Answer: The necessary backwash
rate to achieve proper agitation when backwashing sand filters is 10
gpm/sf.
◉ Diatomaceous Earth Filter Area. Answer: A diatomaceous earth
filter containing six diatomaceous earth leaf elements each
measuring 4' x 2.5' will provide for a filter area of 8' x 8'.
◉ Filter Surface Area Requirement. Answer: A circular filter tank
with a 3 foot diameter and a height of 4 feet will require a filter
surface area of 7.07 square feet.
◉ Flow Rate for Rectangular Pool. Answer: A rectangular swimming
pool measuring 32' x 30', with an average water depth of 5' and a
turnover rate of 6 hours, will have a flow rate of 114.00 gallons per
minute.
, ◉ Turnover Rate. Answer: The time it takes for the entire volume of
water in a pool to be filtered and recirculated.
◉ Filter Area. Answer: The surface area of the filter media used in a
pool's filtering system.
◉ Filter Media Rate. Answer: The rate at which water is filtered
through a specific area of filter media, typically measured in gallons
per minute per square foot.
◉ Evaporation Energy Loss. Answer: The percentage of energy loss
in a pool caused by evaporation.
◉ Flow Rate. Answer: The volume of water that is circulated through
the pool's filtering system, typically measured in gallons per minute.
◉ Diatomaceous Earth Filter. Answer: A type of filter that uses
diatomaceous earth as the filtering medium.
◉ Suction Velocity. Answer: The maximum speed at which water can
flow through the suction piping of a pump, measured in feet per
second.
