CPO Practice Exam Review with Verified Answers 100%
1. Which type of filter requires the least amount of water to clean?
b b b b b b b b b b b
(A) Diatomaceous
(B) Rapid rate sand b b
(C) High rate sand b b
(D) Cartridge: (D) Cartridge b b
2. Cyanuric acid (stabilizer) protects free chlorine (FC) against the effects of:
b b b b b b b b b b
(A) Pathogens like Crypto, Giardia, and Shigella b b b b b
(B) High Total dissolved solids
b b b
(C) Ultraviolet rays from the sun b b b b
(D) High PH: (C) Ultraviolet rays from the sun
b b b b b b b
3. An erosion chemical feeder is what type of feeder?
b b b b b b b b
(A) Peristaltic pump b
(B) Piston pump b
(C) Dry chemical feeder
b b
(D) Gas system: (C) Dry chemical feeder
b b b b b
4. OSHA requires aquatic facilities to maintain:
b b b b b
(A) Safety Data Sheets only for sanitizing chemicals
b b b b b b
(B) Lifeguard certifications b
(C) Air temperature recordings
b b
(D) SDS's for all chemicals used at the facility: (D) SDS's for all chemicals used at the facilit
b b b b b b b b b b b b b b b b
y
5. When mechanical cooling is used on an indoor therapeutic pool facility, the recommend
b b b b b b b b b b b b
ed ASHRAE fresh air exchange rate should be:
b b b b b b b
(A) 2 to 4 exchanges per hour
b b b b b
(B) 4 to 6 exchanges per hour
b b b b b
(C) 6 to 8 exchanges per hour
b b b b b
(D) As many as possible: (B) 4 to 6 exchanges per hour
b b b b b b b b b b
6. What condition mandates an immediate closure of your swimming pool?
b b b b b b b b b
1b/b
15
, (A) Locker room is not clean
b b b b
(B) Main drain not visible from the deck
b b b b b b
(C) No automatic feeders installed
b b b
(D) No underwater lights installed: (B) Main drain not visible from the deck
b b b b b b b b b b b
7. The reagent commonly used to test PH is:
b b b b b b b
(A) DPD
(B) Sodium Thiosulfate b
(C) Coolomatic
(D) Phenol red: (D) Phenol red
b b b b
8. When should you backwash high rate sand filters that have a single pres- sure gauge?
b b b b b b b b b b b b b b
2b/b
15
1. Which type of filter requires the least amount of water to clean?
b b b b b b b b b b b
(A) Diatomaceous
(B) Rapid rate sand b b
(C) High rate sand b b
(D) Cartridge: (D) Cartridge b b
2. Cyanuric acid (stabilizer) protects free chlorine (FC) against the effects of:
b b b b b b b b b b
(A) Pathogens like Crypto, Giardia, and Shigella b b b b b
(B) High Total dissolved solids
b b b
(C) Ultraviolet rays from the sun b b b b
(D) High PH: (C) Ultraviolet rays from the sun
b b b b b b b
3. An erosion chemical feeder is what type of feeder?
b b b b b b b b
(A) Peristaltic pump b
(B) Piston pump b
(C) Dry chemical feeder
b b
(D) Gas system: (C) Dry chemical feeder
b b b b b
4. OSHA requires aquatic facilities to maintain:
b b b b b
(A) Safety Data Sheets only for sanitizing chemicals
b b b b b b
(B) Lifeguard certifications b
(C) Air temperature recordings
b b
(D) SDS's for all chemicals used at the facility: (D) SDS's for all chemicals used at the facilit
b b b b b b b b b b b b b b b b
y
5. When mechanical cooling is used on an indoor therapeutic pool facility, the recommend
b b b b b b b b b b b b
ed ASHRAE fresh air exchange rate should be:
b b b b b b b
(A) 2 to 4 exchanges per hour
b b b b b
(B) 4 to 6 exchanges per hour
b b b b b
(C) 6 to 8 exchanges per hour
b b b b b
(D) As many as possible: (B) 4 to 6 exchanges per hour
b b b b b b b b b b
6. What condition mandates an immediate closure of your swimming pool?
b b b b b b b b b
1b/b
15
, (A) Locker room is not clean
b b b b
(B) Main drain not visible from the deck
b b b b b b
(C) No automatic feeders installed
b b b
(D) No underwater lights installed: (B) Main drain not visible from the deck
b b b b b b b b b b b
7. The reagent commonly used to test PH is:
b b b b b b b
(A) DPD
(B) Sodium Thiosulfate b
(C) Coolomatic
(D) Phenol red: (D) Phenol red
b b b b
8. When should you backwash high rate sand filters that have a single pres- sure gauge?
b b b b b b b b b b b b b b
2b/b
15
