UPDATES!!! 2026/2027 |ADVANCED CPO
Certification Practice Questions &
Answers|HIGHLY GRADED A+
To be a pool operator you must - CORRECT ANSWERS-Complete a pool operator
training course
To prevent spinal injury - CORRECT ANSWERS-All of the above
The strong suction in the pool (ENTRAPMENT) is the - CORRECT ANSWERS-Main
Drain
Electrical systems in the pool must have - CORRECT ANSWERS-GFIs (Ground Fault
Circuit Interrupters?)
The skimmer _____ prevents floating debris from re-entering the pool - CORRECT
ANSWERS-WEIR
What is filtration? - CORRECT ANSWERS-Physical process of water moving through
the system
What is the turnover rate in most jurisdictions? - CORRECT ANSWERS-6 hours
The turnover rate is? - CORRECT ANSWERS-Time it takes for all the water to go
through the filter system
Algae forms because of ? - CORRECT ANSWERS-Poor circulation
To remove stains from the pool bottom and walls you need to? - CORRECT
ANSWERS-Drain and acid wash the pool
What does adding chlorine to the pool do? - CORRECT ANSWERS-Raises Ph level
The formula for AREA - CORRECT ANSWERS-length x width
What is the surface area of a pool 50 ft wide and 100 feet long - CORRECT
ANSWERS-5000 square feet
, Formula for pool volume - CORRECT ANSWERS-length x width x depth x 7.48
The volume of water in a rectangular pool that is 12 feet wide, 34 feet long and constant
depth of 3 feet - CORRECT ANSWERS-9155 gallons
Circular pool area is? - CORRECT ANSWERS-r x 3.14
For a 15000 gallon pool with an an 8 hour turnover rate the _____ is 31.25 - CORRECT
ANSWERS-Flow Rate
CDC states that the number accidents related to swimming - CORRECT ANSWERS-
140000/year
The minimum number of ladders in a pool - CORRECT ANSWERS-2 ladders
Stairs in a pool must have these - CORRECT ANSWERS-Handrails
When a pool has a deep end of more than 5 feet, it must have these two things: -
CORRECT ANSWERS-safety line and a slope line mark
Pools should have both horizontal and vertical depth markers no more than -
CORRECT ANSWERS-25 feet apart
The algae that causes the most damage to a pool is - CORRECT ANSWERS-Black
Algae
Low chlorine levels will cause ___ in the pool - CORRECT ANSWERS-Green Algae
The person responsible for keeping records at the pool is - CORRECT ANSWERS-pool
operator
If the pool is cloudy and you cannot see the main drain, what do you do? - CORRECT
ANSWERS-Close the pool to swimmers
PH should be between ___ and ___ - CORRECT ANSWERS-7.2 and 7.8
To raise pH you add... - CORRECT ANSWERS-Soda Ash
To lower pH you add - CORRECT ANSWERS-Muriatic acid
Chlorine levels should be between ____ and ____ - CORRECT ANSWERS-1.0 and 5.0
Liquid chlorine is named - CORRECT ANSWERS-Sodium Hypochlorite
Powder chlorine is named - CORRECT ANSWERS-Calcium Hypochlorite