FDNY S15 Supervision Of Foam-
Water Sprinkler Systems
(Citywide) Practice Exam
Questions And Correct Answers
(Verified Answers) Plus Rationales
2026
Under normal conditions, Fire Department Connections are considered as a - ANSWER - Secondary
source of water supply for standpipe and sprinkler systems.
What is the name of the device that prevents the water from freezing at the FD connection? - ANSWER -
Ball drip valve (Device)
Green Siamese caps on a FD connection would indicate the building has what type of fire protection
system installed? - ANSWER - Automatic sprinkler system
What color caps are used on a FD connection for a standpipe system? - ANSWER - Red
Under normal conditions, if the ball drip valve leaks this would indicate which of the following
conditions? - ANSWER - Lower check valve is defective
Which fire protection valve regulates the flow of water in a fire protection system? - ANSWER - OS&Y
valve (main control valve)
The OS&Y valve under normal conditions must be kept in what position? - ANSWER - Open position
, What causes the activation of a typical fusible sprinkler head? - ANSWER - Pre-determined rise in
temperature level
Who is allowed to place a tag near the main control valve when the fire protection system is out of
service? - ANSWER - Master Fire suppression Piping Contractor or master Plumber
All parts of an automatic sprinkler system exposed to freezing temperatures have to be protected by -
ANSWER - Anti-freeze solution or Automatic dry pipe system
The record (riser card) of the monthly inspection by the C of F holder should be posted at what location
on the premises? - ANSWER - Main control valve
Which of the following individuals are authorized to perform a VISUAL INSPECTION of a standpipe and
sprinkler system, make proper notification and recordkeeping ONLY? - ANSWER - S-12 or S-13 C of F
holder
What device prevents the water from freezing at the Fire Department Connection? - ANSWER - Ball drip
valve
A check- valve allows water in the system to flow in only one direction. What other purpose does it
serves? - ANSWER - Prevents the private domestic water from back flowing into the FD connection
Under normal conditions, a planned removal from service (scheduled testing, maintenance, repairs)
normally affects no more than - ANSWER - One floor(s)
When a fire protection system is partially out of service what color disc and tag is required near the FD
connection and the main control valve? - ANSWER - Blue disc and Red tag
The record for inspection, testing and maintenance of a fire protection system must be filled out by the
C of F holder and has to be kept on the premises for a minimum of - ANSWER - Three years
What is the name of the device connected to a standpipe system on every floor throughout near the
hose outlet that regulates approx. 100PSI water pressure? - ANSWER - Pressure reducing valve
Water Sprinkler Systems
(Citywide) Practice Exam
Questions And Correct Answers
(Verified Answers) Plus Rationales
2026
Under normal conditions, Fire Department Connections are considered as a - ANSWER - Secondary
source of water supply for standpipe and sprinkler systems.
What is the name of the device that prevents the water from freezing at the FD connection? - ANSWER -
Ball drip valve (Device)
Green Siamese caps on a FD connection would indicate the building has what type of fire protection
system installed? - ANSWER - Automatic sprinkler system
What color caps are used on a FD connection for a standpipe system? - ANSWER - Red
Under normal conditions, if the ball drip valve leaks this would indicate which of the following
conditions? - ANSWER - Lower check valve is defective
Which fire protection valve regulates the flow of water in a fire protection system? - ANSWER - OS&Y
valve (main control valve)
The OS&Y valve under normal conditions must be kept in what position? - ANSWER - Open position
, What causes the activation of a typical fusible sprinkler head? - ANSWER - Pre-determined rise in
temperature level
Who is allowed to place a tag near the main control valve when the fire protection system is out of
service? - ANSWER - Master Fire suppression Piping Contractor or master Plumber
All parts of an automatic sprinkler system exposed to freezing temperatures have to be protected by -
ANSWER - Anti-freeze solution or Automatic dry pipe system
The record (riser card) of the monthly inspection by the C of F holder should be posted at what location
on the premises? - ANSWER - Main control valve
Which of the following individuals are authorized to perform a VISUAL INSPECTION of a standpipe and
sprinkler system, make proper notification and recordkeeping ONLY? - ANSWER - S-12 or S-13 C of F
holder
What device prevents the water from freezing at the Fire Department Connection? - ANSWER - Ball drip
valve
A check- valve allows water in the system to flow in only one direction. What other purpose does it
serves? - ANSWER - Prevents the private domestic water from back flowing into the FD connection
Under normal conditions, a planned removal from service (scheduled testing, maintenance, repairs)
normally affects no more than - ANSWER - One floor(s)
When a fire protection system is partially out of service what color disc and tag is required near the FD
connection and the main control valve? - ANSWER - Blue disc and Red tag
The record for inspection, testing and maintenance of a fire protection system must be filled out by the
C of F holder and has to be kept on the premises for a minimum of - ANSWER - Three years
What is the name of the device connected to a standpipe system on every floor throughout near the
hose outlet that regulates approx. 100PSI water pressure? - ANSWER - Pressure reducing valve
