POOL OPERATOR NEWEST ACTUAL EXAM HIGH SIERRA POOL
PRACTICE TEST 2026 /27 WITH COMPLETE QUESTIONS WITH
ACCURATE DETAILED ANSWERS
The strongest point of suction in a swimming pool that may lead to
entrapment and drowning of a bather is located :
A) at the main drain
B) the skimmer opening
C) the deep end returns
D) the shallow end outlets
At the main drain
Chlorine is used in the pool water to not only kill germs, but to:
A) prime the filters
B) stabilize the ph
C) lower the water hardness
D) oxidize organic matter
Oxidize organic matter
The pool operator checks the hypo chlorinator and it appears to be
operating properly, however no chlorine is present in the pool water.
What may be the problem?
,A) the hypochlorinator tubing may be damaged
B) the liquid chlorine storage vat may be empty
C) the injection fitting may be clogged
D) all of the above
All of the above
The volume of the water in rectangular pool that is 12 feet wide , 34
feet long and has a constant depth of 3 feet is:
A) 8215 gallons
B) 9155 gallons
C) 9415 gallons
D) 10 787 gallons
9155 gallons.
To prevent a bather from diving into too shallow water, depth
markers should be provided where:
A) on horizontal surfaces around the pool
B) on vertical surfaces within the pool
C) a minimum of every 20 feet.
D) all of the above
All of the above
,Why is high ph problem in swimming pools?
A) it can irritate eyes of pool patrons
B) it reduces the effectiveness of chlorine
C) it can result in cloudy water
D) all of the above
All of the above
If swimmers complain of a chlorine odor (which is usually from
chloramines), the odor can best be removed by:
A) breakpoint chlorination of the pool water/shocking the pool with
chlorine
B) doing nothing, the odor will gradually disappear
C) adding soda ash
D) backwashing the filters
Breakpoint chlorination of the pool water/shocking the pool with
chlorine
Stains on the interior pool surfaces are usually caused by :
A) copper
B) manganese
, C) iron
D) all of the above
All of the above
The process of reversing water flow to remove accumulated particles
from inside a sand filter is called:
A) filter processing
B) layered sand removal
C) detergent recycling
D) backwashing
Backwashing
Sodium hypochlorite:
A) deteriorates quickly into exposed air
B) deteriorates quickly in sunlight
C) deteriorates quickly at high temperatures
D) all of the above
All of the above
PRACTICE TEST 2026 /27 WITH COMPLETE QUESTIONS WITH
ACCURATE DETAILED ANSWERS
The strongest point of suction in a swimming pool that may lead to
entrapment and drowning of a bather is located :
A) at the main drain
B) the skimmer opening
C) the deep end returns
D) the shallow end outlets
At the main drain
Chlorine is used in the pool water to not only kill germs, but to:
A) prime the filters
B) stabilize the ph
C) lower the water hardness
D) oxidize organic matter
Oxidize organic matter
The pool operator checks the hypo chlorinator and it appears to be
operating properly, however no chlorine is present in the pool water.
What may be the problem?
,A) the hypochlorinator tubing may be damaged
B) the liquid chlorine storage vat may be empty
C) the injection fitting may be clogged
D) all of the above
All of the above
The volume of the water in rectangular pool that is 12 feet wide , 34
feet long and has a constant depth of 3 feet is:
A) 8215 gallons
B) 9155 gallons
C) 9415 gallons
D) 10 787 gallons
9155 gallons.
To prevent a bather from diving into too shallow water, depth
markers should be provided where:
A) on horizontal surfaces around the pool
B) on vertical surfaces within the pool
C) a minimum of every 20 feet.
D) all of the above
All of the above
,Why is high ph problem in swimming pools?
A) it can irritate eyes of pool patrons
B) it reduces the effectiveness of chlorine
C) it can result in cloudy water
D) all of the above
All of the above
If swimmers complain of a chlorine odor (which is usually from
chloramines), the odor can best be removed by:
A) breakpoint chlorination of the pool water/shocking the pool with
chlorine
B) doing nothing, the odor will gradually disappear
C) adding soda ash
D) backwashing the filters
Breakpoint chlorination of the pool water/shocking the pool with
chlorine
Stains on the interior pool surfaces are usually caused by :
A) copper
B) manganese
, C) iron
D) all of the above
All of the above
The process of reversing water flow to remove accumulated particles
from inside a sand filter is called:
A) filter processing
B) layered sand removal
C) detergent recycling
D) backwashing
Backwashing
Sodium hypochlorite:
A) deteriorates quickly into exposed air
B) deteriorates quickly in sunlight
C) deteriorates quickly at high temperatures
D) all of the above
All of the above
