S12 Fdny Exam 2026 With Questions
And Correct Answers
RTI of a standard sprinkler - correct answer-80
Sprinkler system with open heads - correct answer-Deluge system
Freezing point of antifreeze solutions - correct answer-Hydrometer or
refractometer
Color required for sprinkler and standpipe risers per local law 58/2009 - correct
answer-Yellow
Distance for hanger assembly to center line of an upright sprinkler head -
correct answer-3 inches
Location of the automatic ball drip - correct answer-Between lower check valve
and fire department connection
Purpose of a ball drip - correct answer-To prevent freezing in the line
,Build up of foreign matter on a sprinkler head - correct answer-Loading
When a sprinkler head opens - correct answer-It is said to be fused
Minimum air pressure inside a pressure tank - correct answer-75 psi
Height a gravity tank should be above highest sprinkler heads it supplies -
correct answer-25 feet
Frequency for replacing gauges - correct answer-Every 5 years
Number of spare sprinkler heads required when under 300 sprinklers - correct
answer-6
Number of spare sprinkler heads required when there are 300 to 1000 sprinklers
- correct answer-12
Number of spare sprinkler heads required when there are over 1000 sprinklers -
correct answer-24
, Year all sprinklers prior to which shall be replaced - correct answer-1920
GPM at which house pumps fill the gravity tank - correct answer-65 gpm
Spray pattern of a sprinkler 3 feet below the sprinkler head deflector - correct
answer-16 feet at 15 gpm
Notification time to FDNY for an out of service condition - correct answer-8
hours
Who must draw a hand drawn sketch of the compactor system - correct
answer-Certificate of fitness holder
What a pre-action valve prevents from entering the system - correct
answer-Water
Size of threaded rod required for pipe hangars 4 inches and smaller -
correct answer-3/8 inch
And Correct Answers
RTI of a standard sprinkler - correct answer-80
Sprinkler system with open heads - correct answer-Deluge system
Freezing point of antifreeze solutions - correct answer-Hydrometer or
refractometer
Color required for sprinkler and standpipe risers per local law 58/2009 - correct
answer-Yellow
Distance for hanger assembly to center line of an upright sprinkler head -
correct answer-3 inches
Location of the automatic ball drip - correct answer-Between lower check valve
and fire department connection
Purpose of a ball drip - correct answer-To prevent freezing in the line
,Build up of foreign matter on a sprinkler head - correct answer-Loading
When a sprinkler head opens - correct answer-It is said to be fused
Minimum air pressure inside a pressure tank - correct answer-75 psi
Height a gravity tank should be above highest sprinkler heads it supplies -
correct answer-25 feet
Frequency for replacing gauges - correct answer-Every 5 years
Number of spare sprinkler heads required when under 300 sprinklers - correct
answer-6
Number of spare sprinkler heads required when there are 300 to 1000 sprinklers
- correct answer-12
Number of spare sprinkler heads required when there are over 1000 sprinklers -
correct answer-24
, Year all sprinklers prior to which shall be replaced - correct answer-1920
GPM at which house pumps fill the gravity tank - correct answer-65 gpm
Spray pattern of a sprinkler 3 feet below the sprinkler head deflector - correct
answer-16 feet at 15 gpm
Notification time to FDNY for an out of service condition - correct answer-8
hours
Who must draw a hand drawn sketch of the compactor system - correct
answer-Certificate of fitness holder
What a pre-action valve prevents from entering the system - correct
answer-Water
Size of threaded rod required for pipe hangars 4 inches and smaller -
correct answer-3/8 inch
