POOL OPERATORS STUDY GUIDE
PRACTICE QUIZ QUESTIONS AND
ANSWERS
To raise ph what may be added to swimming pool water? - answer-add chlorine
In most jurisdictions the turnover time for s a swimming pool is - answer-every 6 hours
What does the term channeling mean when discussing swimming pool filtration? -
answer-a damaging condition that occurs over time in a sand filter.
The recommended range to maintain ph is - answer-7.2-7.8
To raise alkalinity levels in the swimming pool water what chemical can be added: -
answer-sodium bicarbonate
The chemical name of liquid chlorine is: - answer-sodium hypochlorite
Cyanuric acid is sometimes used as a stabilizer in pool water and must never exceed: -
answer-50 parts per million
To clean cartridge filters: - answer-soak the cartridges in a degreaser and hose off
An elevated reading from the vacuum gauge of a high rate sand filter may indicate: -
answer-the hair/lint strainer needs to be cleaned
You are working at a busy swimming pool and you notice that the main drain cover is
broken. What should you do? - answer-close the pool immediately
Filtration is: - answer-the physical process of removing suspended particles from the
pool water
Low calcium hardness in the pool water will cause: - answer-corrosion of the pool
fixtures
Resistance in a pool circulation system is caused by................. And.................... -
answer-pressure and suction
An aid in removing small particles from the pool water is - answer-a flocculent
When handling chemicals, the pool operator should wear which of the following
equipment? - answer-gloves, goggles, and apron
, The pool operator uses phenol red test reagent to check the ph of the pool water. A
bright yellow color is observed. This indicate: - answer-the ph of the pool water is low
What is the problem(s) resulting from low total alkalinity? - answer-ph bounce
To remove stains from the interior pool surface - answer-the pool must be drained and
acid washed
Pump cavitations would most likely be caused by: - answer-clogged skimmer basket
and full hair/lint strainer
You test the pool water and observe that the calcium hardness is low. What chemical
you should use to raise the calcium hardness? - answer-calcium chloride
A skimmer weir: - answer-provides 75% of the pools recirculation
An acceptable level of free chlorine in the swimming pool water is: - answer-1 to 3 parts
per million (ppm)
Low alkalinity levels in the swimming pool water will cause the following - answer-ph of
the swimming pool water will be difficult to maintain and the water will damage the
plaster of the pool surfaces
To designate break in the area of the pool where the bather encounters a water depth of
five feet or greater, what is installed? - answer-a safety line and a slope break marking
on the pool floor
Who is responsible for maintaining the daily pool log: - answer-the certified pool
operator
A filter backwash cycle for a sand filter is complete when: - answer-the backwash water
appears clear in the sight glass
Chlorine can be used in which of the following forms? - answer-gas, liquid, and powder
Hardness is a measure of certain dissolved minerals in the water and it is
recommended to be maintained at - answer-200 -400 parts per million (ppm)
What is the acceptable level of bromine for a swimming pool? - answer-5 ppm
To lower the ph what may be added to the swimming pool? - answer-muriatic acid
The volume of water going through a filter system is measured: - answer-in gallons per
minute
PRACTICE QUIZ QUESTIONS AND
ANSWERS
To raise ph what may be added to swimming pool water? - answer-add chlorine
In most jurisdictions the turnover time for s a swimming pool is - answer-every 6 hours
What does the term channeling mean when discussing swimming pool filtration? -
answer-a damaging condition that occurs over time in a sand filter.
The recommended range to maintain ph is - answer-7.2-7.8
To raise alkalinity levels in the swimming pool water what chemical can be added: -
answer-sodium bicarbonate
The chemical name of liquid chlorine is: - answer-sodium hypochlorite
Cyanuric acid is sometimes used as a stabilizer in pool water and must never exceed: -
answer-50 parts per million
To clean cartridge filters: - answer-soak the cartridges in a degreaser and hose off
An elevated reading from the vacuum gauge of a high rate sand filter may indicate: -
answer-the hair/lint strainer needs to be cleaned
You are working at a busy swimming pool and you notice that the main drain cover is
broken. What should you do? - answer-close the pool immediately
Filtration is: - answer-the physical process of removing suspended particles from the
pool water
Low calcium hardness in the pool water will cause: - answer-corrosion of the pool
fixtures
Resistance in a pool circulation system is caused by................. And.................... -
answer-pressure and suction
An aid in removing small particles from the pool water is - answer-a flocculent
When handling chemicals, the pool operator should wear which of the following
equipment? - answer-gloves, goggles, and apron
, The pool operator uses phenol red test reagent to check the ph of the pool water. A
bright yellow color is observed. This indicate: - answer-the ph of the pool water is low
What is the problem(s) resulting from low total alkalinity? - answer-ph bounce
To remove stains from the interior pool surface - answer-the pool must be drained and
acid washed
Pump cavitations would most likely be caused by: - answer-clogged skimmer basket
and full hair/lint strainer
You test the pool water and observe that the calcium hardness is low. What chemical
you should use to raise the calcium hardness? - answer-calcium chloride
A skimmer weir: - answer-provides 75% of the pools recirculation
An acceptable level of free chlorine in the swimming pool water is: - answer-1 to 3 parts
per million (ppm)
Low alkalinity levels in the swimming pool water will cause the following - answer-ph of
the swimming pool water will be difficult to maintain and the water will damage the
plaster of the pool surfaces
To designate break in the area of the pool where the bather encounters a water depth of
five feet or greater, what is installed? - answer-a safety line and a slope break marking
on the pool floor
Who is responsible for maintaining the daily pool log: - answer-the certified pool
operator
A filter backwash cycle for a sand filter is complete when: - answer-the backwash water
appears clear in the sight glass
Chlorine can be used in which of the following forms? - answer-gas, liquid, and powder
Hardness is a measure of certain dissolved minerals in the water and it is
recommended to be maintained at - answer-200 -400 parts per million (ppm)
What is the acceptable level of bromine for a swimming pool? - answer-5 ppm
To lower the ph what may be added to the swimming pool? - answer-muriatic acid
The volume of water going through a filter system is measured: - answer-in gallons per
minute
