CERTIFIED POOL OPERATOR HANDBOOK
PRACTICE TEST(ACTUAL EXAM) WITH 116
QUESTIONS WITH VERY ELABORATED
ANSWERS CORRECTRY WELL ORGANIZED
LATEST 2024 – 2025 ALREADY GRADED
A+/CPO CERTIFIED POOL OPERATOR EXAM
1. Water clarity is measured in units of . - ANSWERS-turbidity
2. A valve has a vertical disc or wedge attached to a long threaded stem that
when rotated either seals or unblocks the flow of water. - ANSWERS-gate
3. According to the Certified Pool - Spa Operator Handbook, cyanuric acid levels
shall not exceed local health codes. In many cases the limit is ppm. - ANSWERS-
100 ppm
You are the CPO for an indoor health club pool. The facility manager informs you
that he is receiving complaints about a strong chlorine odor in the pool area, and
, several members have complained of eye irritation. The most likely cause of these
complaints is: - ANSWERS-high levels of chloramines in the pool
4. To determine the level of chloramines in the water, you should do which of the
following? - ANSWERS-test for total chlorine and free chlorine, then subtract the
free chlorine number from the total chlorine
5. You operate a 45,000 gallon indoor pool, and upon doing your hourly chemical
tests you observe the following readings:Total available chlorine is 2.2 Free
available chlorine is 1.4 and pH is 7.6 What is the level of chloramines in this pool?
- ANSWERS-0.8
7. You are the operator of a 330,000 gallon outdoor pool. Your local health
department requires you to perform a water balance calculation once monthly.
Upon performing the water tests necessary to perform this calculation, you
observe the following readings in your pool: Total alkalinity is 50 ppm pH is 7.2
Calcium Hardness is 150 ppm Temperature is 76 degrees F Total Dissolved Solids
is 500 ppm Using these readings, what is the Saturation Index for this pool? -
ANSWERS--0.8
You operate a 120,000-gallon pool, and upon performing your hourly chemical
tests you observe the following readings: Total Available Chlorine reading is 1.6
free available chlorine reading is 1.5 pH is 7.4 Your supervising lifeguard has just
informed you that you have had a fecal incident occur; a solid stool has been
discharged into the pool. According to the Centers for Disease Control, as the
CPO, you should do the following: - ANSWERS-clear the pool and raise the free
chlorine to 2 ppm
PRACTICE TEST(ACTUAL EXAM) WITH 116
QUESTIONS WITH VERY ELABORATED
ANSWERS CORRECTRY WELL ORGANIZED
LATEST 2024 – 2025 ALREADY GRADED
A+/CPO CERTIFIED POOL OPERATOR EXAM
1. Water clarity is measured in units of . - ANSWERS-turbidity
2. A valve has a vertical disc or wedge attached to a long threaded stem that
when rotated either seals or unblocks the flow of water. - ANSWERS-gate
3. According to the Certified Pool - Spa Operator Handbook, cyanuric acid levels
shall not exceed local health codes. In many cases the limit is ppm. - ANSWERS-
100 ppm
You are the CPO for an indoor health club pool. The facility manager informs you
that he is receiving complaints about a strong chlorine odor in the pool area, and
, several members have complained of eye irritation. The most likely cause of these
complaints is: - ANSWERS-high levels of chloramines in the pool
4. To determine the level of chloramines in the water, you should do which of the
following? - ANSWERS-test for total chlorine and free chlorine, then subtract the
free chlorine number from the total chlorine
5. You operate a 45,000 gallon indoor pool, and upon doing your hourly chemical
tests you observe the following readings:Total available chlorine is 2.2 Free
available chlorine is 1.4 and pH is 7.6 What is the level of chloramines in this pool?
- ANSWERS-0.8
7. You are the operator of a 330,000 gallon outdoor pool. Your local health
department requires you to perform a water balance calculation once monthly.
Upon performing the water tests necessary to perform this calculation, you
observe the following readings in your pool: Total alkalinity is 50 ppm pH is 7.2
Calcium Hardness is 150 ppm Temperature is 76 degrees F Total Dissolved Solids
is 500 ppm Using these readings, what is the Saturation Index for this pool? -
ANSWERS--0.8
You operate a 120,000-gallon pool, and upon performing your hourly chemical
tests you observe the following readings: Total Available Chlorine reading is 1.6
free available chlorine reading is 1.5 pH is 7.4 Your supervising lifeguard has just
informed you that you have had a fecal incident occur; a solid stool has been
discharged into the pool. According to the Centers for Disease Control, as the
CPO, you should do the following: - ANSWERS-clear the pool and raise the free
chlorine to 2 ppm
