S12 FDNY EXAM (LATEST 2024/ 202 UPDATE) QUESTIONS AND
VERIFIED ANSWERS| 100% CORRECT| GRADE A
what is the minimum size of threaded rod required for sprinkler piping? - (answers)3/8
inch
how often are fire department connections hydro-statically tested? - (answers)every 5
years
sprinkler heads exposed to corrosive conditions are covered with what? - (answers)wax
or lead
automatic sprinkler systems have what color caps on the fire department connections? -
(answers)green
non automatic sprinkler systems have what color caps on the fire department
connections? - (answers)silver
in a pressurized tank the water toair ratio is what - (answers)2 to 1 which means 2 parts
water to 1 part air which also means 66.33% water and 33.67%air
sprinkler heads are factory tested at what psi? - (answers)400
inspection records are maintained on site for how long? - (answers)3 years
underwriters labs and factory mutual are what? - (answers)testing companies
a quick response sprinkler has an RTI ( response time index) of what? - (answers)50
a standard sprinkler has RTI of what? - (answers)80
a sprinkler system with open heads is called a? - (answers)Deluge system
the freezing point if ant freeze solutions is measured by what? - (answers)hydrometer or
refractometer
local law 58/2009 requires sprinkler and stand pipe risers to be painted what color? -
(answers)yellow
the distance for the hanger assembly to the center line of an upright sprinkler head
should be? - (answers)3 inches
the automatic ball drip is located where? - (answers)Between lower check valve and fire
department connection
VERIFIED ANSWERS| 100% CORRECT| GRADE A
what is the minimum size of threaded rod required for sprinkler piping? - (answers)3/8
inch
how often are fire department connections hydro-statically tested? - (answers)every 5
years
sprinkler heads exposed to corrosive conditions are covered with what? - (answers)wax
or lead
automatic sprinkler systems have what color caps on the fire department connections? -
(answers)green
non automatic sprinkler systems have what color caps on the fire department
connections? - (answers)silver
in a pressurized tank the water toair ratio is what - (answers)2 to 1 which means 2 parts
water to 1 part air which also means 66.33% water and 33.67%air
sprinkler heads are factory tested at what psi? - (answers)400
inspection records are maintained on site for how long? - (answers)3 years
underwriters labs and factory mutual are what? - (answers)testing companies
a quick response sprinkler has an RTI ( response time index) of what? - (answers)50
a standard sprinkler has RTI of what? - (answers)80
a sprinkler system with open heads is called a? - (answers)Deluge system
the freezing point if ant freeze solutions is measured by what? - (answers)hydrometer or
refractometer
local law 58/2009 requires sprinkler and stand pipe risers to be painted what color? -
(answers)yellow
the distance for the hanger assembly to the center line of an upright sprinkler head
should be? - (answers)3 inches
the automatic ball drip is located where? - (answers)Between lower check valve and fire
department connection
