(LATEST 2026/ 2027 UPDATE)
QUESTIONS AND VERIFIED
ANSWERS| 100% CORRECT|
GRADE A
What’s inside
Latest 2026–2027 FDNY S-12/S-15 Exam Questions & Verified
Answers
Covers Fire Sprinkler Systems, Standpipes, Fire Pumps & Water
Supply
100% Verified Answers for Fast and Accurate Revision
Easy Question-and-Answer Format for Quick Learning
Essential FDNY Codes, Color Tags, Frequencies & System
Components
, Q: 80
Answer: RTI of a standard sprinkler
Q: Deluge system
Answer: Sprinkler system with open heads
Q: Hydrometer or refractometer
Answer: Freezing point of antifreeze solutions
Q: Yellow
Answer: Color required for sprinkler and standpipe risers
per local law 58/2009
Q: 3 inches
Answer: Distance for hanger assembly to center line of an
upright sprinkler head
Q: Between lower check valve and fire department connection
Answer: Location of the automatic ball drip
Q: To prevent freezing in the line
Answer: Purpose of a ball drip
Q: Loading
Answer: Buildup of foreign matter on a sprinkler head
Q: It is said to be fused
Answer: When a sprinkler head opens
Q: 75 psi
Answer: Minimum air pressure inside a pressure tank
Q: 25 feet
Answer: Height a gravity tank should be above highest
sprinkler heads it supplies
Q: Every 5 years
, Answer: Frequency for replacing gauges
Q: 6
Answer: Number of spare sprinkler heads required when under
300 sprinklers
Q: 12
Answer: Number of spare sprinkler heads required when there
are 300 to 1000 sprinklers
Q: 24
Answer: Number of spare sprinkler heads required when there
are over 1000 sprinklers
Q: 1920
Answer: Year all sprinklers prior to which shall be replaced
Q: 65 gpm
Answer: GPM at which house pumps fill the gravity tank
Q: 16 feet at 15 gpm
Answer: Spray pattern of a sprinkler 3 feet below the
sprinkler head deflector
Q: 8 hours
Answer: Notification time to FDNY for an out of service
condition
Q: Certificate of fitness holder
Answer: Who must draw a hand drawn sketch of the compactor
system
Q: Water
Answer: What a pre-action valve prevents from entering the
system
Q: 3/8 inch
Answer: Size of threaded rod required for pipe hangars 4
inches and smaller
, Q: 1/2 inch
Answer: Size of threaded rod required for pipe hangars 5 6
and 8 inch
Q: 5/8 inch
Answer: Size of threaded rod required for pipe hangars for
10 and 12 inch
Q: 18 inches
Answer: Minimum distance to maintain from sprinkler head to
any storage in a room
Q: Annually
Answer: Frequency of inspection for proper number of heads
and wrenches in sprinkler systems
Q: Above 40 degrees F
Answer: Temperature maintained inside the fire pump room
Q: 3 feet in both directions
Answer: Distance fire department connections shall be free
of obstructions
Q: 30 minutes
Answer: Duration of the weekly test for a diesel fire pump
Q: 10 minutes
Answer: Duration of the weekly test for an electric fire
pump
Q: A cycling sprinkler head
Answer: Type of sprinkler head that has been recalled
Q: Annually
Answer: Frequency of lubrication for the stem of an OS&Y
valve