STUDY GUIDE - POOL OPERATOR
EXA - High Sierra Pool Question Bank
To raise PH what may be added to swimming pool water?
A) Bromine
B) Sodium chloride
C) Soda Ash
D) Muriatic Acid - <CORRECT ANSWER >>Soda Ash
In most jurisdictions the turnover time for s a swimming pool is:
A) Every 24 hours
B) Every 12 hours
C) Every 6 hours
D) Every 3 hours - <CORRECT ANSWER >>6 hours
What does the term channeling mean when discussing swimming pool filtration?
A) The dumping of DE powder into the waste water system
B) Discharging waste-water from the pool during backwashing
C) Decreasing the flow rate though a filter
D) A damaging condition that occurs over time in a sand filter. - <CORRECT ANSWER >>A
damaging condition that occurs over time in a sand filter.
The recommended range to maintain PH is:
A) 2.0- 4.0
B) 8.2-9.5
C) 7.2-7.8
D) 1.0-10.0 - <CORRECT ANSWER >>7.2 - 7.8
,To raise alkalinity levels in the swimming pool water what chemical can be added:
A) Muriatic Acid
B) Sodium Bicarbonate
C) Sodium Thiosulfate
D) Hydrogen Peroxide - <CORRECT ANSWER >>Sodium Bicarbonate
The chemical name of liquid chlorine is:
A) Sodium Hypochlorite
B) Calcium Hypochlorite
C) Sodium Chloride
D) Sodium Bicarbonate - <CORRECT ANSWER >>Sodium Hypochlorite
Cyanuric acid is sometimes used as a stabilizer in pool water and must never exceed:
A) 1000 parts per million
B) 10 parts per million
C) 250 parts per million
D) 50 parts per million - <CORRECT ANSWER >>50 parts per million (ppm)
To clean cartridge filters:
A) A stainless steel brush is used
B) Soak the filters overnight in pure muriatic acid
C) Scrub with a strong detergent
D) Soak the cartridges in a degreaser and hose off - <CORRECT ANSWER >>Soak it in degreaser
and hose it off
An elevated reading from the vacuum gauge of a high rate sand filter may indicate:
, A) The hair/lint strainer needs to be cleaned
B) The filter needs to be backwashed
C) The pool inlets need to be adjusted
D) Air has collected within the filter - <CORRECT ANSWER >>The filter needs to be backwashed
You are working at a busy swimming pool and you notice that the main drain cover is broken.
What
should you do?
A) Close the pool immediately
B) Allow patrons to continue swimming while you notify your supervisor
C) Ask a patron to fix the main drain cover while watch the pool
D) Do nothing because a broken main drain cover is not a problem - <CORRECT ANSWER
>>Close the pool immediately
Filtration is:
A) A means for destroying all bacteria and viruses that enter the pool water
B) A process for accumulating diatomaceous earth inside a pressurized tank
C) The physical process of removing suspended particles from the pool water
D) All of the above - <CORRECT ANSWER >>The physical process of removing suspended
particles from the pool water
Low calcium hardness in the pool water will cause:
A) Corrosion of the pool fixtures
B) Scale forming in equipment
C) Aid in balancing the pool water
D) All of the above - <CORRECT ANSWER >>Corrosion of the pool fixtures
Resistance in a pool circulation system is caused by................. and....................
EXA - High Sierra Pool Question Bank
To raise PH what may be added to swimming pool water?
A) Bromine
B) Sodium chloride
C) Soda Ash
D) Muriatic Acid - <CORRECT ANSWER >>Soda Ash
In most jurisdictions the turnover time for s a swimming pool is:
A) Every 24 hours
B) Every 12 hours
C) Every 6 hours
D) Every 3 hours - <CORRECT ANSWER >>6 hours
What does the term channeling mean when discussing swimming pool filtration?
A) The dumping of DE powder into the waste water system
B) Discharging waste-water from the pool during backwashing
C) Decreasing the flow rate though a filter
D) A damaging condition that occurs over time in a sand filter. - <CORRECT ANSWER >>A
damaging condition that occurs over time in a sand filter.
The recommended range to maintain PH is:
A) 2.0- 4.0
B) 8.2-9.5
C) 7.2-7.8
D) 1.0-10.0 - <CORRECT ANSWER >>7.2 - 7.8
,To raise alkalinity levels in the swimming pool water what chemical can be added:
A) Muriatic Acid
B) Sodium Bicarbonate
C) Sodium Thiosulfate
D) Hydrogen Peroxide - <CORRECT ANSWER >>Sodium Bicarbonate
The chemical name of liquid chlorine is:
A) Sodium Hypochlorite
B) Calcium Hypochlorite
C) Sodium Chloride
D) Sodium Bicarbonate - <CORRECT ANSWER >>Sodium Hypochlorite
Cyanuric acid is sometimes used as a stabilizer in pool water and must never exceed:
A) 1000 parts per million
B) 10 parts per million
C) 250 parts per million
D) 50 parts per million - <CORRECT ANSWER >>50 parts per million (ppm)
To clean cartridge filters:
A) A stainless steel brush is used
B) Soak the filters overnight in pure muriatic acid
C) Scrub with a strong detergent
D) Soak the cartridges in a degreaser and hose off - <CORRECT ANSWER >>Soak it in degreaser
and hose it off
An elevated reading from the vacuum gauge of a high rate sand filter may indicate:
, A) The hair/lint strainer needs to be cleaned
B) The filter needs to be backwashed
C) The pool inlets need to be adjusted
D) Air has collected within the filter - <CORRECT ANSWER >>The filter needs to be backwashed
You are working at a busy swimming pool and you notice that the main drain cover is broken.
What
should you do?
A) Close the pool immediately
B) Allow patrons to continue swimming while you notify your supervisor
C) Ask a patron to fix the main drain cover while watch the pool
D) Do nothing because a broken main drain cover is not a problem - <CORRECT ANSWER
>>Close the pool immediately
Filtration is:
A) A means for destroying all bacteria and viruses that enter the pool water
B) A process for accumulating diatomaceous earth inside a pressurized tank
C) The physical process of removing suspended particles from the pool water
D) All of the above - <CORRECT ANSWER >>The physical process of removing suspended
particles from the pool water
Low calcium hardness in the pool water will cause:
A) Corrosion of the pool fixtures
B) Scale forming in equipment
C) Aid in balancing the pool water
D) All of the above - <CORRECT ANSWER >>Corrosion of the pool fixtures
Resistance in a pool circulation system is caused by................. and....................
