Pool Operator's Final Exam: Study Guide: Questions &
Answers
What are the 11 reasons for closure of the pool? - ANSWER:1) A lifeguard is not on the pool deck of a
general use pool, or a spa guard is not on the premises of a spa
2) The main drain is not clearly visible form the nearest lifeguard chair
3) The free chlorine, total bromine, pH, or cyanuric acid readings of the pool water are other than
specified under section II, B 1
4) The recirculating equipment is not working properly for more than one hour
5) the water level is below the skimmers in the pools using this method of circulation
6) The chemical disinfectant feeder hasnt been functioning for a period of 24 hours; provided that the
ph, free chlorine, total bromine, or other apprved disinfectant residuals are maintained in accordance
with section II, water quality
7) the bathhouse drainage system is blocked sufficiently to render the bathhouse unusable, water is not
available at sufficient pressure to operate the bathhouse, waste disposal systems are inoperable,
unsanitary conditions exist, or the bathhouse is unusable for other health or safety reasons
8) The director has been wrongfully denied permission to inspect the pool pursuant to Chapter 51 and
these regulations
9) a licensed montgomery county pool operator is not in immediate control of the pool
10) The director determines that an immediate hazard exists to the health or safety of the users of any
pool
, 11) At least one lifeguard currently certified in infant/ child/ adult CPR is not within the pool enclosure
Certified pool operator has to be at a facilitiy ( ________________) prior to opening to measure, record
and adjust... - ANSWER:30 min
how often should Chlorine and Ph be checked? - ANSWER:every 2 hours in a pool and every hour for a
spa
records must be maintained on site and available for at least how many years at the pool and how many
years total? - ANSWER:2 years at the pool and 2 years total
what supervision is the best prevention of accidents at the pool? - ANSWER:Adult supervision
All public pools must have a ( ) and a () in order for the pool to open - ANSWER:pool op and lifeguard
Saturation Index - ANSWER:is a numerical figure that indicates water equilibrium or water balance
5 factors generally figure into water balance - ANSWER:PH, total alkalinity, calcium hardness,
temperature, and total dissolved solids
corrosive water - ANSWER:seeks to satisfy hunger by dissolving virtually everything that it contacts
scaling water - ANSWER:has too many ingredients and deposits that excess until it reaches equilibrium
pH and range and how often it should be tested - ANSWER:how acidic or basic a solution is.
7.2 - 7.8
tested every 2 hours at a pool and every hour at the spa
use Phenol red
what do you use to raise or lower Ph - ANSWER:to lower - muriatic acid
to raise - soda ash ( sodium carbonate )
Total alkalinity and its range - ANSWER:the buffering capacity of the water to maintain its current level of
pH; defined as amount of carbonates and bicarbonates in the water
range is 60 -180 and must be tested every week for a main pool and every day for a spa
how to raise or lower total alkalinity - ANSWER:raise - baking soda (sodium bicarbonate)
Answers
What are the 11 reasons for closure of the pool? - ANSWER:1) A lifeguard is not on the pool deck of a
general use pool, or a spa guard is not on the premises of a spa
2) The main drain is not clearly visible form the nearest lifeguard chair
3) The free chlorine, total bromine, pH, or cyanuric acid readings of the pool water are other than
specified under section II, B 1
4) The recirculating equipment is not working properly for more than one hour
5) the water level is below the skimmers in the pools using this method of circulation
6) The chemical disinfectant feeder hasnt been functioning for a period of 24 hours; provided that the
ph, free chlorine, total bromine, or other apprved disinfectant residuals are maintained in accordance
with section II, water quality
7) the bathhouse drainage system is blocked sufficiently to render the bathhouse unusable, water is not
available at sufficient pressure to operate the bathhouse, waste disposal systems are inoperable,
unsanitary conditions exist, or the bathhouse is unusable for other health or safety reasons
8) The director has been wrongfully denied permission to inspect the pool pursuant to Chapter 51 and
these regulations
9) a licensed montgomery county pool operator is not in immediate control of the pool
10) The director determines that an immediate hazard exists to the health or safety of the users of any
pool
, 11) At least one lifeguard currently certified in infant/ child/ adult CPR is not within the pool enclosure
Certified pool operator has to be at a facilitiy ( ________________) prior to opening to measure, record
and adjust... - ANSWER:30 min
how often should Chlorine and Ph be checked? - ANSWER:every 2 hours in a pool and every hour for a
spa
records must be maintained on site and available for at least how many years at the pool and how many
years total? - ANSWER:2 years at the pool and 2 years total
what supervision is the best prevention of accidents at the pool? - ANSWER:Adult supervision
All public pools must have a ( ) and a () in order for the pool to open - ANSWER:pool op and lifeguard
Saturation Index - ANSWER:is a numerical figure that indicates water equilibrium or water balance
5 factors generally figure into water balance - ANSWER:PH, total alkalinity, calcium hardness,
temperature, and total dissolved solids
corrosive water - ANSWER:seeks to satisfy hunger by dissolving virtually everything that it contacts
scaling water - ANSWER:has too many ingredients and deposits that excess until it reaches equilibrium
pH and range and how often it should be tested - ANSWER:how acidic or basic a solution is.
7.2 - 7.8
tested every 2 hours at a pool and every hour at the spa
use Phenol red
what do you use to raise or lower Ph - ANSWER:to lower - muriatic acid
to raise - soda ash ( sodium carbonate )
Total alkalinity and its range - ANSWER:the buffering capacity of the water to maintain its current level of
pH; defined as amount of carbonates and bicarbonates in the water
range is 60 -180 and must be tested every week for a main pool and every day for a spa
how to raise or lower total alkalinity - ANSWER:raise - baking soda (sodium bicarbonate)
