Page 1 of 44
CPO TEST ACTUAL EXAM 270 QUESTIONS AND CORECT
DETAILED SOLUTIONS LATEST 2024-2025 UPDATE
______ means the Wake County department of human services director or his/her authorized
representative. - ANSWER-Director
_____ means the certified pool operator who is responsible for the daily operation of a public
swimming pool - ANSWER-operator
_____ means the owner of the swimming pool or the responsible management company -
ANSWER-Owner
_____ _____ means the interior of the fenced area around a swimming pool including the pool
itself, toilets, bathhouses, equipment enclosures, chemical enclosures - ANSWER-pool area
_____ ______ _____ means any swimming pool located on private property, the use of which is
limited to swimming or bathing by members of his/her family or invited guests. - ANSWER-
Residential swimming pools
_____ ______ means any structure, basin, or chamber containing an artificial body of water
used for swimming, diving, wading, instructional purposes, or therapeutic bathing - ANSWER-
swimming pool
A _____ _____ _____ ____ ____ ____ (WCSPOP) is required for operation of a swimming pool
in our county. - ANSWER-Wake County swimming pool operations permit
The _____ must approve construction projects to the pool. - ANSWER-director
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A "year round pool" is any pool that is _____ or ______. - ANSWER-indoor; heated
The CPO certificate is valid for ___ years after the date of issuance - ANSWER-5
pH and disinfectant levels must be taken at least ____ a day, no more than ___ hours apart. -
ANSWER-twice; 6
CPO must go through a checklist of _______ guidelines _____ a day. - ANSWER-maintenance;
once
When the CPO cannot physically go through the checklist, they must find an ______ ______. -
ANSWER-alternate operator
Records must be kept of all activities pertaining to the operations of the pool including ____-
chlorination and the addition of _______. - ANSWER-super; chemicals
A pool must be closed by an operator if the presence of ______, ______, _______ _____, or
_______ ______. - ANSWER-algae; bacteria; fecal coliform; fecal matter
if a pool has no ______ _______ of ______ it must be closed. - ANSWER-measurable level;
disinfectant
If fecal material is introduced into a WADING POOL/SPA, it is to be _____ and ______. -
ANSWER-drained; disinfected
In pools, free chlorine must be maintained between ____ and ____ ppm. - ANSWER-1; 10
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pH in pools must be maintained between _____ and _____. - ANSWER-7.2; 7.8
In wading pools/spas, free chlorine must be maintained between ____ and ____ ppm. -
ANSWER-2; 10
In wading pools/spas, pH must be maintained between ___ and ___. - ANSWER-7.2; 7.8
A ____ foot minimum height fence must be present around swimming pools. - ANSWER-4
The horizontal space between vertical members of the fence shall not exceed _____ inches. -
ANSWER-4
if the horizontal space between vertical members exceeds 1.75 inches, then there shall be at
least ______ inches between any horizontal bottom rail and the next one. - ANSWER-30
The height of any opening under the bottom of the enclosure must not exceed ____ inches. -
ANSWER-4
All gates leading to the pool must be self-____. - ANSWER-closing
Latch must be ____ inches or higher than the bottom horizontal rail. - ANSWER-54
Pool-side latch must have an ____ inch shield preventing people from reaching through. -
ANSWER-18
_____ facilities must be provided at all pools. - ANSWER-sanitary
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Chlorinators, brominators, filters, pumps, and other electrical equipment must be sheltered and
protected in a _______ enclosure. - ANSWER-weatherproof
T/F: Entrance to an equipment enclosure may be kept unlocked for convenience. - ANSWER-
false
Minimum ceiling height of the electrical equipment enclosure must be ____ feet. - ANSWER-7
There must be proper ______ in the electrical equipment enclosure to prevent flooding. -
ANSWER-drainage
Chemical storage must be provided in a _________ area separate from electrical equipment
enclosure. - ANSWER-weatherproof
Chemicals shall be stored on shelving or platforms at least ____ inches above the floor. -
ANSWER-12
T/F: Entrance to the chemical storage can be accessible from the pool deck. - ANSWER-false
T/F: the chemical storage room cannot be used for any other purpose. - ANSWER-true
In any situation where the filter equipment, _____ feed system, or _____ becomes inoperative,
the pool must be closed. - ANSWER-chemical; pump
Trip hazards on the pool deck are defined as being ____ ____ inch or higher. - ANSWER-one half
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CPO TEST ACTUAL EXAM 270 QUESTIONS AND CORECT
DETAILED SOLUTIONS LATEST 2024-2025 UPDATE
______ means the Wake County department of human services director or his/her authorized
representative. - ANSWER-Director
_____ means the certified pool operator who is responsible for the daily operation of a public
swimming pool - ANSWER-operator
_____ means the owner of the swimming pool or the responsible management company -
ANSWER-Owner
_____ _____ means the interior of the fenced area around a swimming pool including the pool
itself, toilets, bathhouses, equipment enclosures, chemical enclosures - ANSWER-pool area
_____ ______ _____ means any swimming pool located on private property, the use of which is
limited to swimming or bathing by members of his/her family or invited guests. - ANSWER-
Residential swimming pools
_____ ______ means any structure, basin, or chamber containing an artificial body of water
used for swimming, diving, wading, instructional purposes, or therapeutic bathing - ANSWER-
swimming pool
A _____ _____ _____ ____ ____ ____ (WCSPOP) is required for operation of a swimming pool
in our county. - ANSWER-Wake County swimming pool operations permit
The _____ must approve construction projects to the pool. - ANSWER-director
1
,Page 2 of 44
A "year round pool" is any pool that is _____ or ______. - ANSWER-indoor; heated
The CPO certificate is valid for ___ years after the date of issuance - ANSWER-5
pH and disinfectant levels must be taken at least ____ a day, no more than ___ hours apart. -
ANSWER-twice; 6
CPO must go through a checklist of _______ guidelines _____ a day. - ANSWER-maintenance;
once
When the CPO cannot physically go through the checklist, they must find an ______ ______. -
ANSWER-alternate operator
Records must be kept of all activities pertaining to the operations of the pool including ____-
chlorination and the addition of _______. - ANSWER-super; chemicals
A pool must be closed by an operator if the presence of ______, ______, _______ _____, or
_______ ______. - ANSWER-algae; bacteria; fecal coliform; fecal matter
if a pool has no ______ _______ of ______ it must be closed. - ANSWER-measurable level;
disinfectant
If fecal material is introduced into a WADING POOL/SPA, it is to be _____ and ______. -
ANSWER-drained; disinfected
In pools, free chlorine must be maintained between ____ and ____ ppm. - ANSWER-1; 10
2
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pH in pools must be maintained between _____ and _____. - ANSWER-7.2; 7.8
In wading pools/spas, free chlorine must be maintained between ____ and ____ ppm. -
ANSWER-2; 10
In wading pools/spas, pH must be maintained between ___ and ___. - ANSWER-7.2; 7.8
A ____ foot minimum height fence must be present around swimming pools. - ANSWER-4
The horizontal space between vertical members of the fence shall not exceed _____ inches. -
ANSWER-4
if the horizontal space between vertical members exceeds 1.75 inches, then there shall be at
least ______ inches between any horizontal bottom rail and the next one. - ANSWER-30
The height of any opening under the bottom of the enclosure must not exceed ____ inches. -
ANSWER-4
All gates leading to the pool must be self-____. - ANSWER-closing
Latch must be ____ inches or higher than the bottom horizontal rail. - ANSWER-54
Pool-side latch must have an ____ inch shield preventing people from reaching through. -
ANSWER-18
_____ facilities must be provided at all pools. - ANSWER-sanitary
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Chlorinators, brominators, filters, pumps, and other electrical equipment must be sheltered and
protected in a _______ enclosure. - ANSWER-weatherproof
T/F: Entrance to an equipment enclosure may be kept unlocked for convenience. - ANSWER-
false
Minimum ceiling height of the electrical equipment enclosure must be ____ feet. - ANSWER-7
There must be proper ______ in the electrical equipment enclosure to prevent flooding. -
ANSWER-drainage
Chemical storage must be provided in a _________ area separate from electrical equipment
enclosure. - ANSWER-weatherproof
Chemicals shall be stored on shelving or platforms at least ____ inches above the floor. -
ANSWER-12
T/F: Entrance to the chemical storage can be accessible from the pool deck. - ANSWER-false
T/F: the chemical storage room cannot be used for any other purpose. - ANSWER-true
In any situation where the filter equipment, _____ feed system, or _____ becomes inoperative,
the pool must be closed. - ANSWER-chemical; pump
Trip hazards on the pool deck are defined as being ____ ____ inch or higher. - ANSWER-one half
4