#1
What is the ideal pH range for pool water?
5.0 - 6.0
6.5 - 7.5
8.0 - 9.0
9.5 - 10.5
#2
Which of the following is a common sanitizer used in pool water?
Chlorine
Vinegar
Bleach
Ammonia
#3
Which of the following can help prevent algae growth in a pool?
Decreasing chlorine levels
Keeping the pool water balanced
Adding more sunlight exposure
Reducing filter maintenance
#4
What is the purpose of a pool skimmer?
To heat the pool water
To circulate the water
To remove debris from the water surface
To add chemicals to the water
#5
Which of the following is NOT a type of pool filter?
Sand filter
Cartridge filter
Diatomaceous earth (DE) filter
UV filter
#6
What does Total Alkalinity measure in pool water?
Chlorine concentration
Acid content
Buffering capacity
pH level
#7
What is the purpose of shocking a pool?
To increase pH
To lower chlorine levels
To kill bacteria and algae
To improve water clarity
#8
What is the purpose of stabilizer (cyanuric acid) in pool water?
To increase pH
To lower chlorine levels
To protect chlorine from UV degradation
To reduce calcium hardness
#9
What is the recommended range for calcium hardness in pool water?
50 - 100 ppm
100 - 150 ppm
200 - 400 ppm
500 - 800 ppm
#10
What does Free Available Chlorine (FAC) measure in pool water?
Total chlorine concentration
Chlorine bound to ammonia
Chlorine available to sanitize
Chlorine bound to organic matter
#11
What is the recommended frequency for backwashing a pool filter?
Once a month
Once a week
Once a day
As needed
#12
What is the purpose of a flocculant in pool maintenance?
To increase pH
To reduce calcium hardness
To enhance water clarity by clumping particles
To lower chlorine levels
#13
Which of the following factors can contribute to pool water evaporation?
Low humidity
High wind speed
Covering the pool
Using a solar blanket
#14
What is the recommended method for testing pool water for pH and chlorine levels?
Using test strips
Tasting the water
Smelling the water
Observing the water color
#15
What is the purpose of a pool cover?
To increase evaporation
To prevent heat loss
To promote algae growth
To decrease chlorine levels