OHIO SPRINKLER TECHNICIAN 2025/2026 QUESTIONS
WITH SOLUTIONS GRADED A+
✔✔60 seconds - ✔✔A dry system must deliver water to the inspectors test connecting
✔✔False - ✔✔Sprinklers having a temperature rating of 135F to 170F shall be classified
as intermediate temperature-rated sprinklers and sprinklers having a temperament
rating of 175F 225 f shall be classified as ordinary temperature-rated sprinklers
✔✔Flashover - ✔✔The primary purpose of residential sprinklers installed per NFPA 13D
is to prevent _____ from occurring in the room of origin
✔✔True - ✔✔A one -piece reducing fitting shall be used wherever a change is made in
the size of pipe. Hexagonal or face bushing shall be permitted in reducing the size of
opening of fittings when standard fitting of the required size are not available
✔✔Cross main - ✔✔Which of the following sprinkler systems components supplies the
branch lines, either directly or through riser nipples?
✔✔True - ✔✔Escutcheons use with recessed, flush-type, or concealed sprinklers are
required to be part of a listen sprinkler assembly
✔✔Miscellaneous storage - ✔✔Storage that does not exceed 12 ft (3.66 m) in height
and is incidental to another occupancy use group. Such storage shall not constitute
more than 10 percent of the building area or 4000 ft2 (372 m2) of the sprinklered area,
whichever is greater. Such storage shall not exceed 1000 ft2 (93 m2) in one pile or
area, and each such pile or area shall be separated from other storage areas by at least
25 ft (7.62 m)
✔✔Apartment buildings, lodging and rooming houses, board and care facilities, hotels,
motels, and dormitory's - ✔✔Residential occupancies are defined by NFPA 13R as
which of the following:
✔✔30. - ✔✔The air supply for a dry system shall have a capacity capable of restoring
normal air pressure in the system within _____ minutes
✔✔Expansion chamber and Drain valve - ✔✔Which of the following is required on an
antifreeze system having a back flow prevention device: (choose all that apply)
✔✔Semiannually - ✔✔Valve supervisor switches shall be tested _____
✔✔Male - ✔✔Joint compounds or tape shall be applied to _____ threads only
✔✔1,000 - ✔✔Not more then ____ sprinklers can be controlled by one pre-action valve
, ✔✔5 year basis - ✔✔Where subjected to harsh environments, including corrosive
atmosphere and corrosive water supplies, sprinklers shall either be replaced or
representative sprinkler samples shall be tested on a _____
✔✔True - ✔✔A standpipe system zone is a vertical subdivision of a standpipe system
limited or determined by the pressure limitation of the system components
✔✔AHJ, The fire department (if required), the alarm receiving company - ✔✔The owner
or occupant shall notify_____ before testing or shutting down a system or its supply
✔✔1. - ✔✔Hydrants shall be tested annually to ensure proper functioning. During this
test, flow shall be maintained for not less than _____ minutes
✔✔Installed below the branch line and The water stream is directed downward against
a deflector. - ✔✔Which of the following is correct regarding pendent sprinklers ? (
Choose all that apply
✔✔All of the above ) Specific provisions in the lease , written use agreement ,
management - ✔✔Where the owner is not the occupant the owner shall be permitted to
pass on the authority for inspecting and testing to a management firm or managing
individual through _____
✔✔All of the above Installed above the branch line , frame should be installed parallel to
the branch line , water spray is directed upwards against the deflector - ✔✔Which of the
following is correct regarding upright sprinklers ?
✔✔Intermediate . - ✔✔Sprinklers in an unventilated attic shall be _______ temperature
✔✔True - ✔✔Nonmetallic pipe used in multipurpose piping systems not equipped with a
fire department connection shall be designed to withstand a working pressure of not
less than 130 psi
✔✔False . ( MLK are the only approved thicknesses not " ANY TYPE " . ) - ✔✔Copper
tube is permitted to have a wall thickness of any type , including type M , L , or K ,
where used in sprinkler systems .
✔✔30 . - ✔✔The water supply for a residential sprinkler system should be capable of
supplying the system demand for at least _ minutes .
✔✔Ordinary or intermediate - temperature . - ✔✔Solder joints shall be permitted for
exposed wet pipe systems in light hazard occupancies where the temperature
classification of the installed sprinklers is of ______ classification .
WITH SOLUTIONS GRADED A+
✔✔60 seconds - ✔✔A dry system must deliver water to the inspectors test connecting
✔✔False - ✔✔Sprinklers having a temperature rating of 135F to 170F shall be classified
as intermediate temperature-rated sprinklers and sprinklers having a temperament
rating of 175F 225 f shall be classified as ordinary temperature-rated sprinklers
✔✔Flashover - ✔✔The primary purpose of residential sprinklers installed per NFPA 13D
is to prevent _____ from occurring in the room of origin
✔✔True - ✔✔A one -piece reducing fitting shall be used wherever a change is made in
the size of pipe. Hexagonal or face bushing shall be permitted in reducing the size of
opening of fittings when standard fitting of the required size are not available
✔✔Cross main - ✔✔Which of the following sprinkler systems components supplies the
branch lines, either directly or through riser nipples?
✔✔True - ✔✔Escutcheons use with recessed, flush-type, or concealed sprinklers are
required to be part of a listen sprinkler assembly
✔✔Miscellaneous storage - ✔✔Storage that does not exceed 12 ft (3.66 m) in height
and is incidental to another occupancy use group. Such storage shall not constitute
more than 10 percent of the building area or 4000 ft2 (372 m2) of the sprinklered area,
whichever is greater. Such storage shall not exceed 1000 ft2 (93 m2) in one pile or
area, and each such pile or area shall be separated from other storage areas by at least
25 ft (7.62 m)
✔✔Apartment buildings, lodging and rooming houses, board and care facilities, hotels,
motels, and dormitory's - ✔✔Residential occupancies are defined by NFPA 13R as
which of the following:
✔✔30. - ✔✔The air supply for a dry system shall have a capacity capable of restoring
normal air pressure in the system within _____ minutes
✔✔Expansion chamber and Drain valve - ✔✔Which of the following is required on an
antifreeze system having a back flow prevention device: (choose all that apply)
✔✔Semiannually - ✔✔Valve supervisor switches shall be tested _____
✔✔Male - ✔✔Joint compounds or tape shall be applied to _____ threads only
✔✔1,000 - ✔✔Not more then ____ sprinklers can be controlled by one pre-action valve
, ✔✔5 year basis - ✔✔Where subjected to harsh environments, including corrosive
atmosphere and corrosive water supplies, sprinklers shall either be replaced or
representative sprinkler samples shall be tested on a _____
✔✔True - ✔✔A standpipe system zone is a vertical subdivision of a standpipe system
limited or determined by the pressure limitation of the system components
✔✔AHJ, The fire department (if required), the alarm receiving company - ✔✔The owner
or occupant shall notify_____ before testing or shutting down a system or its supply
✔✔1. - ✔✔Hydrants shall be tested annually to ensure proper functioning. During this
test, flow shall be maintained for not less than _____ minutes
✔✔Installed below the branch line and The water stream is directed downward against
a deflector. - ✔✔Which of the following is correct regarding pendent sprinklers ? (
Choose all that apply
✔✔All of the above ) Specific provisions in the lease , written use agreement ,
management - ✔✔Where the owner is not the occupant the owner shall be permitted to
pass on the authority for inspecting and testing to a management firm or managing
individual through _____
✔✔All of the above Installed above the branch line , frame should be installed parallel to
the branch line , water spray is directed upwards against the deflector - ✔✔Which of the
following is correct regarding upright sprinklers ?
✔✔Intermediate . - ✔✔Sprinklers in an unventilated attic shall be _______ temperature
✔✔True - ✔✔Nonmetallic pipe used in multipurpose piping systems not equipped with a
fire department connection shall be designed to withstand a working pressure of not
less than 130 psi
✔✔False . ( MLK are the only approved thicknesses not " ANY TYPE " . ) - ✔✔Copper
tube is permitted to have a wall thickness of any type , including type M , L , or K ,
where used in sprinkler systems .
✔✔30 . - ✔✔The water supply for a residential sprinkler system should be capable of
supplying the system demand for at least _ minutes .
✔✔Ordinary or intermediate - temperature . - ✔✔Solder joints shall be permitted for
exposed wet pipe systems in light hazard occupancies where the temperature
classification of the installed sprinklers is of ______ classification .
