Sprinkler Exam
A "pressure restricting valve" should be used: - ANS-only with hose assemblies having
nozzles without a shut-off feature.
\A blue sprinkler marking has a temperature rating between: - ANS-250 and 300 degrees
Fahrenheit
\A common characteristic of all deluge and preaction systems, regardless of the method of
release is: - ANS-A manual release
\A compound pressure gauge measures: - ANS-Both positive pressure and vacuum
\A continuous ball drip leak at the fire department connection is most likely the result of: -
ANS-leading valve seat on the fire department connection check valve.
\A fire department connection has three 2 and 1/2 inch inlets. The maximum water capacity
for this configuration is: - ANS-1500 gpm
\A good method of detecting leaks with minimum water damage is: - ANS-Conduct partial
tests by isolating small sections of the piping for tests
\A non-decorative sprinkler with white paint applied at the factory has: - ANS-An intermediate
temperature range
\A pendent ESFR sprinkler has a maximum deflector distance of: - ANS-14 inches
\A riser in a high-rise building is connected with flexible couplings. There are 10 stories, with
a coupling at each floor level. What is the maximum expected increase in height of the riser
when pressurized? - ANS-2 and 1/2 inches
\A single inlet fire department connection can be used with: - ANS-3-inch maximum riser size
\A sprinkler with a temperature rating of 220 degrees Fahrenheit is classified as: -
ANS-Intermediate temperature
\A sprinkler within 5 feet of the front of a horizontal discharge unit heater should be rated: -
ANS-high
\A standard response sprinkler must discharge water within ________ after reaching the
fusing temperature. - ANS-100 seconds
\A symbol for fabrication branch line number is: - ANS-#2
\A symbol for hydraulic reference point it: - ANS-7 in an octagon
\A temporary standpipe used during construction must be at least _____ in diameter. -
ANS-4 inches
\According to NFPA 25, the heating and ventilating louvers on the pump house of a fire
pump must be inspected: - ANS-weekly
\Ambient temperature is the: - ANS-Temperature of the surrounding environment
\An unused attic is what type of occupancy? - ANS-Light hazard
\Approval markings on a fire sprinkler are usually found on: - ANS-The deflector
\Common and acceptable means of powering the pump driver include: - ANS-Electric,
diesel, and steam power
\Corrosion resistant sprinklers include: - ANS-Wax coated, lead coated and wax over lead
\Deluge and preaction systems require a minimum hydrostatic pressure test of: - ANS-200
psi for 2 hours
\Detection and release systems for Halon are the same as those used for: - ANS-Carbon
dioxide systems
\Double interlocked preaction systems are commonly used in: - ANS-Freezers
, \Drains must be at least ______ between the valve and the building wall - ANS-4'
\Dry sprinklers must be installed: - ANS-In a tee and not an elbow
\During sensitivity testing, how long should an accelerator hold its pressure before it trips? -
ANS-10 minutes
\Examples of applications in which water spray fixed systems are most commonly used
include: - ANS-processing equipment, flammable liquid vessels, transformers
\Extended coverage sprinklers for ________ were the first extended coverage sprinklers
available. - ANS-Light hazard occupancies
\Globe valves are used to: - ANS-Regulate flow
\High piled storage generally refers to storage over _____ feet in height. - ANS-12
\Hose valves are available in _____ different thread configurations. - ANS-2
\How many spare heads for a system with 400 heads? - ANS-12
\How many tests of batteries are required by NFPA for diesel drive? - ANS-2
\How often should a main drain test be conducted? - ANS-Quarterly
\If a sprinkler were spaced at the maximum in a light hazard area of operation of 225 sq. feet
and the calculations were based on a .1 density, the required flow would be _____ gpm. -
ANS-22.5
\In addition to cooper and brass, what material may be used for fire pump controller sensing
lines by NFPA standards? - ANS-Series 300 stainless steel pipe
\In addition to hydrostatic testing, dry system piping is also subjected to a pneumatic test
using air delivered at ___psi. - ANS-40
\In general practice, sprinkler drawings are most often scaled to: - ANS-1/8" = 1'
\In general, standpipes are required in all buildings ______ ore more stories in height under
the Uniform Building Code: - ANS-4
\In high pressure systems, the minimum allowable storage temperature of carbon dioxide for
local application systems is: - ANS-32 degrees Fahrenheit
\In the riser assembly for a typical deluge sprinkler system, the fire department connection is
on the ____ side of the deluge valve. - ANS-System
\Interior inspection of preaction, deluge and dry valves that require face plate removal and
cannot be reset externally should be conducted: - ANS-annually
\Large drop sprinklers can be used in: - ANS-Wet, dry or preaction systems
\Most components used in a sprinkler system have a cold water working pressure rating of: -
ANS-175 psi
\NFPA 13 requires the inspector's test connection to be: - ANS-the most remote and highest
branch line
\NFPA 13 requires the installation of a quick opening device on any system with a capacity
that exceeds: - ANS-500 gallons
\NFPA 14 = - ANS-Standard for classification of standpipes
\NFPA 20 = - ANS-fire pumps
\NFPA 22 = - ANS-standard for water tanks for private fire service
\NFPA 22 is the standard for: - ANS-Water Tanks for Private Fire Service
\NFPA 25 = - ANS-testing fire protection systems
\NFPA requires that line piping in a dry system be pitched _____ for every 10 feet of
horizontal run. - ANS-1/2 inch
\NFPA requires that the capacity of a gas source be sufficient to bring a dry-pipe system that
uses a modern differential dry-pipe valve to be requires pressure in: - ANS-30 minutes
\Normal inspection of sprinkler hangers, seismic braces, pipe and fittings is conducted by the
inspector: - ANS-From the floor level
A "pressure restricting valve" should be used: - ANS-only with hose assemblies having
nozzles without a shut-off feature.
\A blue sprinkler marking has a temperature rating between: - ANS-250 and 300 degrees
Fahrenheit
\A common characteristic of all deluge and preaction systems, regardless of the method of
release is: - ANS-A manual release
\A compound pressure gauge measures: - ANS-Both positive pressure and vacuum
\A continuous ball drip leak at the fire department connection is most likely the result of: -
ANS-leading valve seat on the fire department connection check valve.
\A fire department connection has three 2 and 1/2 inch inlets. The maximum water capacity
for this configuration is: - ANS-1500 gpm
\A good method of detecting leaks with minimum water damage is: - ANS-Conduct partial
tests by isolating small sections of the piping for tests
\A non-decorative sprinkler with white paint applied at the factory has: - ANS-An intermediate
temperature range
\A pendent ESFR sprinkler has a maximum deflector distance of: - ANS-14 inches
\A riser in a high-rise building is connected with flexible couplings. There are 10 stories, with
a coupling at each floor level. What is the maximum expected increase in height of the riser
when pressurized? - ANS-2 and 1/2 inches
\A single inlet fire department connection can be used with: - ANS-3-inch maximum riser size
\A sprinkler with a temperature rating of 220 degrees Fahrenheit is classified as: -
ANS-Intermediate temperature
\A sprinkler within 5 feet of the front of a horizontal discharge unit heater should be rated: -
ANS-high
\A standard response sprinkler must discharge water within ________ after reaching the
fusing temperature. - ANS-100 seconds
\A symbol for fabrication branch line number is: - ANS-#2
\A symbol for hydraulic reference point it: - ANS-7 in an octagon
\A temporary standpipe used during construction must be at least _____ in diameter. -
ANS-4 inches
\According to NFPA 25, the heating and ventilating louvers on the pump house of a fire
pump must be inspected: - ANS-weekly
\Ambient temperature is the: - ANS-Temperature of the surrounding environment
\An unused attic is what type of occupancy? - ANS-Light hazard
\Approval markings on a fire sprinkler are usually found on: - ANS-The deflector
\Common and acceptable means of powering the pump driver include: - ANS-Electric,
diesel, and steam power
\Corrosion resistant sprinklers include: - ANS-Wax coated, lead coated and wax over lead
\Deluge and preaction systems require a minimum hydrostatic pressure test of: - ANS-200
psi for 2 hours
\Detection and release systems for Halon are the same as those used for: - ANS-Carbon
dioxide systems
\Double interlocked preaction systems are commonly used in: - ANS-Freezers
, \Drains must be at least ______ between the valve and the building wall - ANS-4'
\Dry sprinklers must be installed: - ANS-In a tee and not an elbow
\During sensitivity testing, how long should an accelerator hold its pressure before it trips? -
ANS-10 minutes
\Examples of applications in which water spray fixed systems are most commonly used
include: - ANS-processing equipment, flammable liquid vessels, transformers
\Extended coverage sprinklers for ________ were the first extended coverage sprinklers
available. - ANS-Light hazard occupancies
\Globe valves are used to: - ANS-Regulate flow
\High piled storage generally refers to storage over _____ feet in height. - ANS-12
\Hose valves are available in _____ different thread configurations. - ANS-2
\How many spare heads for a system with 400 heads? - ANS-12
\How many tests of batteries are required by NFPA for diesel drive? - ANS-2
\How often should a main drain test be conducted? - ANS-Quarterly
\If a sprinkler were spaced at the maximum in a light hazard area of operation of 225 sq. feet
and the calculations were based on a .1 density, the required flow would be _____ gpm. -
ANS-22.5
\In addition to cooper and brass, what material may be used for fire pump controller sensing
lines by NFPA standards? - ANS-Series 300 stainless steel pipe
\In addition to hydrostatic testing, dry system piping is also subjected to a pneumatic test
using air delivered at ___psi. - ANS-40
\In general practice, sprinkler drawings are most often scaled to: - ANS-1/8" = 1'
\In general, standpipes are required in all buildings ______ ore more stories in height under
the Uniform Building Code: - ANS-4
\In high pressure systems, the minimum allowable storage temperature of carbon dioxide for
local application systems is: - ANS-32 degrees Fahrenheit
\In the riser assembly for a typical deluge sprinkler system, the fire department connection is
on the ____ side of the deluge valve. - ANS-System
\Interior inspection of preaction, deluge and dry valves that require face plate removal and
cannot be reset externally should be conducted: - ANS-annually
\Large drop sprinklers can be used in: - ANS-Wet, dry or preaction systems
\Most components used in a sprinkler system have a cold water working pressure rating of: -
ANS-175 psi
\NFPA 13 requires the inspector's test connection to be: - ANS-the most remote and highest
branch line
\NFPA 13 requires the installation of a quick opening device on any system with a capacity
that exceeds: - ANS-500 gallons
\NFPA 14 = - ANS-Standard for classification of standpipes
\NFPA 20 = - ANS-fire pumps
\NFPA 22 = - ANS-standard for water tanks for private fire service
\NFPA 22 is the standard for: - ANS-Water Tanks for Private Fire Service
\NFPA 25 = - ANS-testing fire protection systems
\NFPA requires that line piping in a dry system be pitched _____ for every 10 feet of
horizontal run. - ANS-1/2 inch
\NFPA requires that the capacity of a gas source be sufficient to bring a dry-pipe system that
uses a modern differential dry-pipe valve to be requires pressure in: - ANS-30 minutes
\Normal inspection of sprinkler hangers, seismic braces, pipe and fittings is conducted by the
inspector: - ANS-From the floor level
