S12 FDNY PRACTICE ASSESSMENT 2026 QUESTIONS AND ANSWERS GRADED A+

S12 FDNY PRACTICE ASSESSMENT 2026
QUESTIONS AND ANSWERS GRADED A+

◉ Sprinkler system with open heads. Answer: Deluge system


◉ Freezing point of antifreeze solutions. Answer: Hydrometer or
refractometer


◉ Color required for sprinkler and standpipe risers per local law
58/2009. Answer: Yellow


◉ Distance for hanger assembly to center line of an upright
sprinkler head. Answer: 3 inches


◉ Location of the automatic ball drip. Answer: Between lower check
valve and fire department connection


◉ Purpose of a ball drip. Answer: To prevent freezing in the line


◉ Build up of foreign matter on a sprinkler head. Answer: Loading


◉ When a sprinkler head opens. Answer: It is said to be fused

, ◉ Minimum air pressure inside a pressure tank. Answer: 75 psi


◉ Height a gravity tank should be above highest sprinkler heads it
supplies. Answer: 25 feet


◉ Frequency for replacing gauges. Answer: Every 5 years


◉ Number of spare sprinkler heads required when under 300
sprinklers. Answer: 6


◉ Number of spare sprinkler heads required when there are 300 to
1000 sprinklers. Answer: 12


◉ Number of spare sprinkler heads required when there are over
1000 sprinklers. Answer: 24


◉ Year all sprinklers prior to which shall be replaced. Answer: 1920


◉ GPM at which house pumps fill the gravity tank. Answer: 65 gpm


◉ Spray pattern of a sprinkler 3 feet below the sprinkler head
deflector. Answer: 16 feet at 15 gpm