POOL OPERATOR EXAM HIGH SIERRA POOL
PRACTICE TEST 2026 QUESTIONS WITH
ACCURATE ANSWERS GRADED A+
◉ Resistance in a pool circulation system is caused by.................
and....................
A) Pressure and head loss
B) Pressure and suction
C) Friction and suction
D) Friction and head loss. Answer: Friction and head loss
◉ An aid in removing small particles from the pool water is:
A) Sodium chloride
B) A flocculent
C) Glucose
D) Urea. Answer: Flocculent
◉ When handling chemicals, the pool operator should wear which of
the following equipment?
A) Gloves and goggles
B) An apron
,C) Personal protective equipment such as gloves and an apron are
not necessary when handling
chemicals.. Answer: Gloves and goggles
◉ The pool operator uses phenol red test reagent to check the PH of
the pool water. A bright yellow
color is observed. This indicate:
A) The PH of the pool water is high
B) The PH of the pool water is within proper range
C) The PH of the pool water is low
D) The phenol red test reagent is bad. Answer: The PH of the pool
water is low
◉ What is the problem(s) resulting from low total alkalinity?
A) PH bounce
B) Scaling of pool components
C) Reduces water flow through filtration system
D) All of the above. Answer: PH bounce
◉ To remove stains from the interior pool surface:
A) The pool must be drained and acid washed
B) The filters must be backwashed daily
, C) PH of the pool water must be raised to 8.0
D) All of the above. Answer: The pool must be drained and acid
washed
◉ Pump cavitations would most likely be caused by:
A) Clogged skimmer basket
B) Poorly adjusted pool inlets
C) Full hair/ lint strainer
D) Both A and C. Answer: clogged skimmer baskets and full
hair/lint strainer.
◉ You test the pool water and observe that the calcium hardness is
low. What chemical you should use
to raise the calcium hardness?
A) Muriatic acid directly over the main drain
B) Sodium Bicarbonate
C) Calcium Chloride
D) Sodium Thiosulfate. Answer: Calcium Chloride
◉ A skimmer weir:
A) Prevents floating debris from re-entering the pool
B) Provides 75 percent of the pool's recirculation
PRACTICE TEST 2026 QUESTIONS WITH
ACCURATE ANSWERS GRADED A+
◉ Resistance in a pool circulation system is caused by.................
and....................
A) Pressure and head loss
B) Pressure and suction
C) Friction and suction
D) Friction and head loss. Answer: Friction and head loss
◉ An aid in removing small particles from the pool water is:
A) Sodium chloride
B) A flocculent
C) Glucose
D) Urea. Answer: Flocculent
◉ When handling chemicals, the pool operator should wear which of
the following equipment?
A) Gloves and goggles
B) An apron
,C) Personal protective equipment such as gloves and an apron are
not necessary when handling
chemicals.. Answer: Gloves and goggles
◉ The pool operator uses phenol red test reagent to check the PH of
the pool water. A bright yellow
color is observed. This indicate:
A) The PH of the pool water is high
B) The PH of the pool water is within proper range
C) The PH of the pool water is low
D) The phenol red test reagent is bad. Answer: The PH of the pool
water is low
◉ What is the problem(s) resulting from low total alkalinity?
A) PH bounce
B) Scaling of pool components
C) Reduces water flow through filtration system
D) All of the above. Answer: PH bounce
◉ To remove stains from the interior pool surface:
A) The pool must be drained and acid washed
B) The filters must be backwashed daily
, C) PH of the pool water must be raised to 8.0
D) All of the above. Answer: The pool must be drained and acid
washed
◉ Pump cavitations would most likely be caused by:
A) Clogged skimmer basket
B) Poorly adjusted pool inlets
C) Full hair/ lint strainer
D) Both A and C. Answer: clogged skimmer baskets and full
hair/lint strainer.
◉ You test the pool water and observe that the calcium hardness is
low. What chemical you should use
to raise the calcium hardness?
A) Muriatic acid directly over the main drain
B) Sodium Bicarbonate
C) Calcium Chloride
D) Sodium Thiosulfate. Answer: Calcium Chloride
◉ A skimmer weir:
A) Prevents floating debris from re-entering the pool
B) Provides 75 percent of the pool's recirculation
