CPO CERTIFICATION PRACTICE TEST
1. Safety and rescue equipment should always be:
A. Kept easily accessible around the pool
B. Kept safely stored inside a locked room
C. Kept near the wading pool at all times
D. Kept in the pool manager's office: A. Kept easily accessible around the pool
2. Which type of filter system will remove the smallest micron particles?
A. rapid rate sand
B. cartridge
C. diatomaceous earth
D. high rate sand: C. diatomaceous earth
3. If the pump fails to prime, which of the following does not have to bechecked?
A. leak on suction side of the pump
B. hair and lint cover is loose or has a worn 0-ring
C. clogged skimmer basket
D. filter system pressure is too high: D. filter system pressure is too high
4. Oxidation Reduction Potential testing (ORP) is measured in?
A. mV
B. PPM
C. GPM
D. FAC: A. mV
5. High calcium hardness can result in what condition?
A. etching of pool surface
B. heater failure
C. staining
D. cloudy water: D. cloudy water
6. Head first entry dives are:
A. only important in pools greater than 5 feet deep
B. allowed only when patrons are young and athletic, never by very young orvery old patrons
C. only allowed in areas of the pool that are not marked as 'NO DIVING'
D. not taught to the public anymore due to the extreme danger they present: C.only allowed in
areas of the pool that are not marked as 'NO DIVING'
, 7. Opening and closing checklists:
A. help note unsafe conditions at a facility
B. should include a check of the main drain cover
C. will ensure proper deck clearance is maintained around the pool edge
D. all of the above: D. all of the above
8. You can become sick from ingesting water infected with Legionella bacteria
A. true
B. false
C. maybe
D. depends on the pH of the water: B. false
9. Channeling of filters occurs when:
A. there is a leak in the filter
B. the FMR is exceeded, and water cuts a channel through the media
C. thewater overflows in a filter
D. all of the above: B. the FMR is exceeded, and water cuts a channel through themedia
10. The only physical factor that affects water balance is:
A. pH
B. TDS
C. temperature
D. calcium hardness: C. temperature
11. To be classified as a disinfectant, a compound must kill or inactivate 99.9%of contaminants
as well as:
A. maintaining proper water balance
B. leave a measurable residual in the water
C. have a NFPA classification of
D. have a sweet smelling aroma: B. leave a measurable residual in the water
12. Pools using chlorine gas as a disinfectant produce hydrochloric acid,which can be
neutralized with:
A. sodium thiosulfate
B. cyanuric acid
C. caustic soda or soda ash
D. carbon dioxide: C. caustic soda or soda ash
1. Safety and rescue equipment should always be:
A. Kept easily accessible around the pool
B. Kept safely stored inside a locked room
C. Kept near the wading pool at all times
D. Kept in the pool manager's office: A. Kept easily accessible around the pool
2. Which type of filter system will remove the smallest micron particles?
A. rapid rate sand
B. cartridge
C. diatomaceous earth
D. high rate sand: C. diatomaceous earth
3. If the pump fails to prime, which of the following does not have to bechecked?
A. leak on suction side of the pump
B. hair and lint cover is loose or has a worn 0-ring
C. clogged skimmer basket
D. filter system pressure is too high: D. filter system pressure is too high
4. Oxidation Reduction Potential testing (ORP) is measured in?
A. mV
B. PPM
C. GPM
D. FAC: A. mV
5. High calcium hardness can result in what condition?
A. etching of pool surface
B. heater failure
C. staining
D. cloudy water: D. cloudy water
6. Head first entry dives are:
A. only important in pools greater than 5 feet deep
B. allowed only when patrons are young and athletic, never by very young orvery old patrons
C. only allowed in areas of the pool that are not marked as 'NO DIVING'
D. not taught to the public anymore due to the extreme danger they present: C.only allowed in
areas of the pool that are not marked as 'NO DIVING'
, 7. Opening and closing checklists:
A. help note unsafe conditions at a facility
B. should include a check of the main drain cover
C. will ensure proper deck clearance is maintained around the pool edge
D. all of the above: D. all of the above
8. You can become sick from ingesting water infected with Legionella bacteria
A. true
B. false
C. maybe
D. depends on the pH of the water: B. false
9. Channeling of filters occurs when:
A. there is a leak in the filter
B. the FMR is exceeded, and water cuts a channel through the media
C. thewater overflows in a filter
D. all of the above: B. the FMR is exceeded, and water cuts a channel through themedia
10. The only physical factor that affects water balance is:
A. pH
B. TDS
C. temperature
D. calcium hardness: C. temperature
11. To be classified as a disinfectant, a compound must kill or inactivate 99.9%of contaminants
as well as:
A. maintaining proper water balance
B. leave a measurable residual in the water
C. have a NFPA classification of
D. have a sweet smelling aroma: B. leave a measurable residual in the water
12. Pools using chlorine gas as a disinfectant produce hydrochloric acid,which can be
neutralized with:
A. sodium thiosulfate
B. cyanuric acid
C. caustic soda or soda ash
D. carbon dioxide: C. caustic soda or soda ash
