FDNY S-12 AND S-13 CERTIFICATE OF
FITNESS EXAMINATION QUESTIONS
AND ANSWERS
1. A Certificate of Fitness holder (S-12/S-13) must conduct a visual inspection of all sprinkler
heads at what minimum frequency?
A. Weekly
B. Monthly
C. Quarterly
D. Annually
Answer: D
Conceptual Explanation: According to NFPA 25 and FDNY standards, a visual inspection
of sprinkler heads for signs of leakage, corrosion, or physical damage must be conducted
annually.
2. What is the required color for the Siamese connection caps of a non-automatic sprinkler
system?
A. Red
,B. Green
C. Silver
D. Yellow
Answer: C
Conceptual Explanation: Siamese connections for non-automatic sprinkler systems must
be painted silver to distinguish them from automatic systems.
3. For a pressure tank that is two-thirds full of water, what is the minimum required air
pressure maintained within the tank?
A. 30 psi
B. 50 psi
C. 75 psi
D. 100 psi
Answer: C
Conceptual Explanation: Standard FDNY requirements for pressure tanks specify that the
tank should be 2/3 water and 1/3 air, with a minimum of 75 psi air pressure.
4. If a sprinkler system is found to be ‘Fully Out of Service’, what color disc must be placed on
the Siamese connection?
A. White
B. Yellow
, C. Blue
D. Red
Answer: C
Conceptual Explanation: A blue disc (6 inches in diameter) signifies that the sprinkler
system is fully out of service, whereas a white disc signifies it is partially out of service.
5. How many spare sprinkler heads must be kept on the premises for a system containing
between 301 and 1,000 sprinklers?
A. 6
B. 12
C. 24
D. 30
Answer: B
Conceptual Explanation: For systems with 301 to 1,000 heads, a minimum of 12 spare
heads must be maintained in a cabinet on-site.
6. Which type of sprinkler system is used specifically in areas where the piping is subject to
freezing?
A. Dry Pipe System
B. Wet Pipe System
C. Deluge System
FITNESS EXAMINATION QUESTIONS
AND ANSWERS
1. A Certificate of Fitness holder (S-12/S-13) must conduct a visual inspection of all sprinkler
heads at what minimum frequency?
A. Weekly
B. Monthly
C. Quarterly
D. Annually
Answer: D
Conceptual Explanation: According to NFPA 25 and FDNY standards, a visual inspection
of sprinkler heads for signs of leakage, corrosion, or physical damage must be conducted
annually.
2. What is the required color for the Siamese connection caps of a non-automatic sprinkler
system?
A. Red
,B. Green
C. Silver
D. Yellow
Answer: C
Conceptual Explanation: Siamese connections for non-automatic sprinkler systems must
be painted silver to distinguish them from automatic systems.
3. For a pressure tank that is two-thirds full of water, what is the minimum required air
pressure maintained within the tank?
A. 30 psi
B. 50 psi
C. 75 psi
D. 100 psi
Answer: C
Conceptual Explanation: Standard FDNY requirements for pressure tanks specify that the
tank should be 2/3 water and 1/3 air, with a minimum of 75 psi air pressure.
4. If a sprinkler system is found to be ‘Fully Out of Service’, what color disc must be placed on
the Siamese connection?
A. White
B. Yellow
, C. Blue
D. Red
Answer: C
Conceptual Explanation: A blue disc (6 inches in diameter) signifies that the sprinkler
system is fully out of service, whereas a white disc signifies it is partially out of service.
5. How many spare sprinkler heads must be kept on the premises for a system containing
between 301 and 1,000 sprinklers?
A. 6
B. 12
C. 24
D. 30
Answer: B
Conceptual Explanation: For systems with 301 to 1,000 heads, a minimum of 12 spare
heads must be maintained in a cabinet on-site.
6. Which type of sprinkler system is used specifically in areas where the piping is subject to
freezing?
A. Dry Pipe System
B. Wet Pipe System
C. Deluge System
