POOL OPERATOR COMPREHENSIVE TEST
PAPER WITH SOLVED QUESTIONS
◉ the recommend range to maintain ph is
Answer: 7.2-7.8
◉ to raise the alkalinity level in swimming pool water what
chemical is added
Answer: sodium bicarbonate
◉ chloramines are
Answer: a combination of chlorine and ammonia in pool water
◉ accodoring to statistics from cdc how many water-related
injuries are annually associated with swimming activities
Answer: 140000
◉ cloudy water may be caused by
Answer: filter malfunction, excessive bather load, chemical
imbalance of pool water
◉ in most jurisdictions the turnover time for a swimming pool is
Answer: every 6 hours
, ◉ which type of algae inmost difficult to control in a pool, often
requiring chlorination and brushing to eliminate
Answer: black algae
◉ the recommend level of free chlorine in the swimming pool
water is
Answer: 1-5ppm
◉ to lower the ph add
Answer: muriatic acid
◉ sodium hypochlorite
Answer: deteriorates quickly into exposed air, quickly in sunlight
and quickly in high temperature
◉ resistance in a pool circulation system is caused by what and
whay
Answer: friction and head loss
◉ as dirt accumulates inside a filter the amount of water that can
pass through the filter
Answer: decreases
PAPER WITH SOLVED QUESTIONS
◉ the recommend range to maintain ph is
Answer: 7.2-7.8
◉ to raise the alkalinity level in swimming pool water what
chemical is added
Answer: sodium bicarbonate
◉ chloramines are
Answer: a combination of chlorine and ammonia in pool water
◉ accodoring to statistics from cdc how many water-related
injuries are annually associated with swimming activities
Answer: 140000
◉ cloudy water may be caused by
Answer: filter malfunction, excessive bather load, chemical
imbalance of pool water
◉ in most jurisdictions the turnover time for a swimming pool is
Answer: every 6 hours
, ◉ which type of algae inmost difficult to control in a pool, often
requiring chlorination and brushing to eliminate
Answer: black algae
◉ the recommend level of free chlorine in the swimming pool
water is
Answer: 1-5ppm
◉ to lower the ph add
Answer: muriatic acid
◉ sodium hypochlorite
Answer: deteriorates quickly into exposed air, quickly in sunlight
and quickly in high temperature
◉ resistance in a pool circulation system is caused by what and
whay
Answer: friction and head loss
◉ as dirt accumulates inside a filter the amount of water that can
pass through the filter
Answer: decreases
