(F01) NYC Fireguard F01 Certification Practice Test
F01 Sprinkler System Control Valves 2
What is the function of the main sprinkler system shut-off valve (OS&Y valve) in a building?
Select your answer
A
It controls individual sprinkler heads in a single zone
B
It is the primary valve that controls water supply to the entire sprinkler system or a major portion of it
C
It is a test valve used only during annual inspections
D
It controls the water pressure entering the building from the city main
Hint