Aquatics International University: Water Quality Course
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Aquatics International University's Water Quality Quiz is designed to test your knowledge of water quality issues including water chemistry, maintenance and dealing with emergency situations. After reading the courses, take this brief test. Those who receive a score of 70% or higher will receive a certificate of completion.
- 1.Optimally, free chlorine should be:
- A.
2.0 to 4.0 ppm
- B.
1.0 to 5.0 ppm
- C.
2.5 ppm
- D.
8.0 to 10.5 ppm
- 2.Which of the following is NOT a factor in water balance?
- A.
Alkalinity
- B.
Hardness
- C.
Mineral content
- D.
Temperature
- 3.Many state health codes recommend monitoring disinfectant levels:
- A.
Once an hour
- B.
Four times a day
- C.
Three times a day
- D.
Once a day
- 4.The calcium hardness of your pool water depends on:
- A.
Temperature and mineral content
- B.
PH and temperature
- C.
Alkalinity
- D.
PH
- 5.Which of the following should be monitored weekly?
- A.
Combined chlorine
- B.
Alkalinity
- C.
Cyanuric acid
- D.
All of the above
- 6.When dealing with a fecal matter contamination, operators should NOT use a vacuum to remove the contaminants.
- A.
True
- B.
False
- 7.For fecal accidents involving diarrhea, the free chlorine residual needs to be raised to ____ ppm, and maintained for a period of at least ____ hours.
- A.
60.0 ppm, 20 hours
- B.
20.0 ppm, 15 hours
- C.
8.0 ppm, 20 hours
- D.
20.0 ppm, 12.75 hours
- 8.Bloodborne pathogens in a pool present a serious health risk.
- A.
True
- B.
False
- 9.Pool water that is reddish brown in color may be the result of:
- A.
High iron content
- B.
High levels of copper
- C.
Algae
- D.
Too much disinfectant
- 10.If chlorine levels exceed requirements, you can neutralize the water by adding which of the following?
- A.
Hydrogen peroxide
- B.
Sodium thiosulfate
- C.
Sodium bicarbonate
- D.
Calcium chloride
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