POOL OPERATOR EXAM ACTUAL EXAM 200 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |AGRADE
To be a pool operator you must - ANSWER: Complete a pool operator training course
To prevent spinal injury - ANSWER: All of the above
The strong suction in the pool (ENTRAPMENT) is the - ANSWER: Main Drain
Electrical systems in the pool must have - ANSWER: GFIs (Ground Fault Circuit
Interrupters?)
The skimmer _____ prevents floating debris from re-entering the pool - ANSWER:
WEIR
What is filtration? - ANSWER: Physical process of water moving through the system
What is the turnover rate in most jurisdictions? - ANSWER: 6 hours
The turnover rate is? - ANSWER: Time it takes for all the water to go through the
filter system
Algae forms because of ? - ANSWER: Poor circulation
To remove stains from the pool bottom and walls you need to? - ANSWER: Drain and
acid wash the pool
What does adding chlorine to the pool do? - ANSWER: Raises Ph level
The formula for AREA - ANSWER: length x width
What is the surface area of a pool 50 ft wide and 100 feet long - ANSWER: 5000
square feet
Formula for pool volume - ANSWER: 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 - ANSWER: 9155 gallons
Circular pool area is? - ANSWER: r x 3.14
For a 15000 gallon pool with an an 8 hour turnover rate the _____ is 31.25 -
ANSWER: Flow Rate
CDC states that the number accidents related to swimming - ANSWER: 140000/year
, The minimum number of ladders in a pool - ANSWER: 2 ladders
Stairs in a pool must have these - ANSWER: Handrails
When a pool has a deep end of more than 5 feet, it must have these two things: -
ANSWER: safety line and a slope line mark
Pools should have both horizontal and vertical depth markers no more than -
ANSWER: 25 feet apart
The algae that causes the most damage to a pool is - ANSWER: Black Algae
Low chlorine levels will cause ___ in the pool - ANSWER: Green Algae
The person responsible for keeping records at the pool is - ANSWER: pool operator
If the pool is cloudy and you cannot see the main drain, what do you do? - ANSWER:
Close the pool to swimmers
PH should be between ___ and ___ - ANSWER: 7.2 and 7.8
To raise pH you add... - ANSWER: Soda Ash
To lower pH you add - ANSWER: Muriatic acid
Chlorine levels should be between ____ and ____ - ANSWER: 1.0 and 5.0
Liquid chlorine is named - ANSWER: Sodium Hypochlorite
Powder chlorine is named - ANSWER: Calcium Hypochlorite
Chlorine comes in these forms - ANSWER: Liquid, gas, and powder
Chlorine is added to the pool to - ANSWER: Oxidize organic matter
When you add chlorine to the water it forms - ANSWER: Hydrochlorous acid
Total Alkalinity of a pool should be between ? - ANSWER: 80 and 120 ppm
Low alkalinity results in ? - ANSWER: Loss of pH control (pH bounce)
To raise total alkalinity you should add - ANSWER: Sodium Bicarbonate
Calcium hardness of a pool should be between - ANSWER: 200 and 400
Low calcium hardness causes - ANSWER: Scaling
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |AGRADE
To be a pool operator you must - ANSWER: Complete a pool operator training course
To prevent spinal injury - ANSWER: All of the above
The strong suction in the pool (ENTRAPMENT) is the - ANSWER: Main Drain
Electrical systems in the pool must have - ANSWER: GFIs (Ground Fault Circuit
Interrupters?)
The skimmer _____ prevents floating debris from re-entering the pool - ANSWER:
WEIR
What is filtration? - ANSWER: Physical process of water moving through the system
What is the turnover rate in most jurisdictions? - ANSWER: 6 hours
The turnover rate is? - ANSWER: Time it takes for all the water to go through the
filter system
Algae forms because of ? - ANSWER: Poor circulation
To remove stains from the pool bottom and walls you need to? - ANSWER: Drain and
acid wash the pool
What does adding chlorine to the pool do? - ANSWER: Raises Ph level
The formula for AREA - ANSWER: length x width
What is the surface area of a pool 50 ft wide and 100 feet long - ANSWER: 5000
square feet
Formula for pool volume - ANSWER: 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 - ANSWER: 9155 gallons
Circular pool area is? - ANSWER: r x 3.14
For a 15000 gallon pool with an an 8 hour turnover rate the _____ is 31.25 -
ANSWER: Flow Rate
CDC states that the number accidents related to swimming - ANSWER: 140000/year
, The minimum number of ladders in a pool - ANSWER: 2 ladders
Stairs in a pool must have these - ANSWER: Handrails
When a pool has a deep end of more than 5 feet, it must have these two things: -
ANSWER: safety line and a slope line mark
Pools should have both horizontal and vertical depth markers no more than -
ANSWER: 25 feet apart
The algae that causes the most damage to a pool is - ANSWER: Black Algae
Low chlorine levels will cause ___ in the pool - ANSWER: Green Algae
The person responsible for keeping records at the pool is - ANSWER: pool operator
If the pool is cloudy and you cannot see the main drain, what do you do? - ANSWER:
Close the pool to swimmers
PH should be between ___ and ___ - ANSWER: 7.2 and 7.8
To raise pH you add... - ANSWER: Soda Ash
To lower pH you add - ANSWER: Muriatic acid
Chlorine levels should be between ____ and ____ - ANSWER: 1.0 and 5.0
Liquid chlorine is named - ANSWER: Sodium Hypochlorite
Powder chlorine is named - ANSWER: Calcium Hypochlorite
Chlorine comes in these forms - ANSWER: Liquid, gas, and powder
Chlorine is added to the pool to - ANSWER: Oxidize organic matter
When you add chlorine to the water it forms - ANSWER: Hydrochlorous acid
Total Alkalinity of a pool should be between ? - ANSWER: 80 and 120 ppm
Low alkalinity results in ? - ANSWER: Loss of pH control (pH bounce)
To raise total alkalinity you should add - ANSWER: Sodium Bicarbonate
Calcium hardness of a pool should be between - ANSWER: 200 and 400
Low calcium hardness causes - ANSWER: Scaling
