EXAM - High Sierra Pool Questions
and Answers 100% Pass
To raise PH what may be added to swimming pool water?
A) Bromine
B) Sodium chloride
C) Soda Ash
D) Muriatic Acid - ✔✔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 - ✔✔6 hours
What does the term channeling mean when discussing swimming pool filtration?
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 1
,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. - ✔✔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 - ✔✔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 - ✔✔Sodium Bicarbonate
The chemical name of liquid chlorine is:
A) Sodium Hypochlorite
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 2
, B) Calcium Hypochlorite
C) Sodium Chloride
D) Sodium Bicarbonate - ✔✔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 - ✔✔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 - ✔✔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
100% Pass Guarantee Katelyn Whitman All Rights Reserved © 2025 3