S12 FDNY Exam (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A
Question:
a sprinkler system with open heads is called a?
Answer:
Deluge system
Question:
the freezing point if ant freeze solutions is measured by what?
Answer:
hydrometer or refractometer
Question:
local law 58/2009 requires sprinkler and stand pipe risers to be painted what color?
Answer:
yellow 1 / 3
Question:
the distance for the hanger assembly to the center line of an upright sprinkler head should be?
Answer:
- inches
Question:
the automatic ball drip is located where?
Answer:
Between lower check valve and fire department connection
Question:
what is the purpose of a ball drip?
Answer:
to prevent freezing in the line
Question:
the build up of foreign matter on a sprinkler head is called?
Answer:
loading
- / 3
Question:
when a sprinkler head opens it is said to?
Answer:
be fused
Question:
the minimum air pressure inside a pressure tank is?
Answer:
75 psi
Question:
a gravity tank should be atlas how many feet above the highest sprinkler heads it supplies?
Answer:
25 feet
Question:
gauges are to be replaced every?
Answer:
- years
- / 3