CPO Practice EXAM
Which type of filter requires the least amount of water to clean?
(A) Diatomaceous
ER
(B) Rapid rate sand
(C) High rate sand
H
(D) Cartridge - ANS (D) Cartridge
IG
Cyanuric acid (stabilizer) protects free chlorine (FC) against the effects of:
H
(A) Pathogens like Crypto, Giardia, and Shigella
(B) High Total dissolved solids
G
(C) Ultraviolet rays from the sun
IN
(D) High PH - ANS (C) Ultraviolet rays from the sun
Y
An erosion chemical feeder is what type of feeder?
FL
(A) Peristaltic pump
(B) Piston pump
(C) Dry chemical feeder
(D) Gas system - ANS (C) Dry chemical feeder
,OSHA requires aquatic facilities to maintain:
(A) Safety Data Sheets only for sanitizing chemicals
(B) Lifeguard certifications
(C) Air temperature recordings
(D) SDS's for all chemicals used at the facility - ANS (D) SDS's for all
ER
chemicals used at the facility
H
When mechanical cooling is used on an indoor therapeutic pool facility, the
recommended ASHRAE fresh air exchange rate should be:
IG
(A) 2 to 4 exchanges per hour
(B) 4 to 6 exchanges per hour
H
(C) 6 to 8 exchanges per hour
G
(D) As many as possible - ANS (B) 4 to 6 exchanges per hour
IN
What condition mandates an immediate closure of your swimming pool?
Y
(A) Locker room is not clean
FL
(B) Main drain not visible from the deck
(C) No automatic feeders installed
(D) No underwater lights installed - ANS (B) Main drain not visible from
the deck
, The reagent commonly used to test PH is:
(A) DPD
(B) Sodium Thiosulfate
(C) Coolomatic
(D) Phenol red - ANS (D) Phenol red
ER
When should you backwash high rate sand filters that have a single
H
pressure gauge?
(A) After an 8 to 10 psi increase above starting pressure
IG
(B) Every 2 days
(C) Once per week
H
(D) When the influent and effluent gauges are 10 to 20 psi apart - ANS (A)
G
After an 8 to 10 psi increase above starting pressure
IN
Oxidation Reduction Potential testing (ORP) is measured in:
Y
(A) Parts per million (ppm)
FL
(B) Millivolts (mV)
(C) Gallons per minute (gpm)
(D) Free available chlorine (FAC) - ANS (B) Millivolts (mV)
Which type of filter requires the least amount of water to clean?
(A) Diatomaceous
ER
(B) Rapid rate sand
(C) High rate sand
H
(D) Cartridge - ANS (D) Cartridge
IG
Cyanuric acid (stabilizer) protects free chlorine (FC) against the effects of:
H
(A) Pathogens like Crypto, Giardia, and Shigella
(B) High Total dissolved solids
G
(C) Ultraviolet rays from the sun
IN
(D) High PH - ANS (C) Ultraviolet rays from the sun
Y
An erosion chemical feeder is what type of feeder?
FL
(A) Peristaltic pump
(B) Piston pump
(C) Dry chemical feeder
(D) Gas system - ANS (C) Dry chemical feeder
,OSHA requires aquatic facilities to maintain:
(A) Safety Data Sheets only for sanitizing chemicals
(B) Lifeguard certifications
(C) Air temperature recordings
(D) SDS's for all chemicals used at the facility - ANS (D) SDS's for all
ER
chemicals used at the facility
H
When mechanical cooling is used on an indoor therapeutic pool facility, the
recommended ASHRAE fresh air exchange rate should be:
IG
(A) 2 to 4 exchanges per hour
(B) 4 to 6 exchanges per hour
H
(C) 6 to 8 exchanges per hour
G
(D) As many as possible - ANS (B) 4 to 6 exchanges per hour
IN
What condition mandates an immediate closure of your swimming pool?
Y
(A) Locker room is not clean
FL
(B) Main drain not visible from the deck
(C) No automatic feeders installed
(D) No underwater lights installed - ANS (B) Main drain not visible from
the deck
, The reagent commonly used to test PH is:
(A) DPD
(B) Sodium Thiosulfate
(C) Coolomatic
(D) Phenol red - ANS (D) Phenol red
ER
When should you backwash high rate sand filters that have a single
H
pressure gauge?
(A) After an 8 to 10 psi increase above starting pressure
IG
(B) Every 2 days
(C) Once per week
H
(D) When the influent and effluent gauges are 10 to 20 psi apart - ANS (A)
G
After an 8 to 10 psi increase above starting pressure
IN
Oxidation Reduction Potential testing (ORP) is measured in:
Y
(A) Parts per million (ppm)
FL
(B) Millivolts (mV)
(C) Gallons per minute (gpm)
(D) Free available chlorine (FAC) - ANS (B) Millivolts (mV)
