S12 FDNY CITYWIDE SPRINKLER
SYSTEM CERTIFICATE OF FITNESS
EXAM
1. Which NFPA standard is primarily used for the inspection, testing, and maintenance of
water-based fire protection systems?
A. NFPA 13
B. NFPA 25
C. NFPA 72
D. NFPA 10
Answer: B
Conceptual Explanation: NFPA 25 is the baseline standard for the inspection, testing, and
maintenance of water-based fire protection systems, which is the core focus of the S-12
Certificate of Fitness.
2. A ‘Red Tag’ placed on a sprinkler system by a Certificate of Fitness holder indicates that the
system is:
A. Partially out of service
B. Fully out of service (Impaired)
,C. Deficient but operational
D. In need of a 5-year hydrostatic test
Answer: B
Conceptual Explanation: In New York City, a red tag indicates that a system is fully out of
service or has a major impairment that renders it non-functional.
3. For a non-automatic sprinkler system, what color should the Siamese connection caps and
handles be painted?
A. Green
B. Yellow
C. Red
D. Aluminum
Answer: A
Conceptual Explanation: Per NYC Fire Code, Siamese connections for non-automatic
systems must be painted green. Red is for automatic systems, and yellow is for combination
systems.
4. What is the minimum clearance that must be maintained below the deflector of a sprinkler
head to ensure proper water distribution?
A. 18 inches
B. 12 inches
, C. 24 inches
D. 36 inches
Answer: A
Conceptual Explanation: Standard sprinkler heads require a minimum of 18 inches of
clearance below the deflector to allow the discharge pattern to develop properly.
5. In a pressure tank, what is the standard ratio of water to compressed air?
A. 2/3 water to 1/3 air
B. 1/2 water to 1/2 air
C. 1/3 water to 2/3 air
D. 3/4 water to 1/4 air
Answer: A
Conceptual Explanation: A standard pressure tank is typically filled with two-thirds
water and one-third pressurized air to provide the necessary force for water discharge.
6. How often must the water flow alarm on a wet-pipe sprinkler system be tested?
A. Quarterly
B. Monthly
C. Weekly
D. Annually
SYSTEM CERTIFICATE OF FITNESS
EXAM
1. Which NFPA standard is primarily used for the inspection, testing, and maintenance of
water-based fire protection systems?
A. NFPA 13
B. NFPA 25
C. NFPA 72
D. NFPA 10
Answer: B
Conceptual Explanation: NFPA 25 is the baseline standard for the inspection, testing, and
maintenance of water-based fire protection systems, which is the core focus of the S-12
Certificate of Fitness.
2. A ‘Red Tag’ placed on a sprinkler system by a Certificate of Fitness holder indicates that the
system is:
A. Partially out of service
B. Fully out of service (Impaired)
,C. Deficient but operational
D. In need of a 5-year hydrostatic test
Answer: B
Conceptual Explanation: In New York City, a red tag indicates that a system is fully out of
service or has a major impairment that renders it non-functional.
3. For a non-automatic sprinkler system, what color should the Siamese connection caps and
handles be painted?
A. Green
B. Yellow
C. Red
D. Aluminum
Answer: A
Conceptual Explanation: Per NYC Fire Code, Siamese connections for non-automatic
systems must be painted green. Red is for automatic systems, and yellow is for combination
systems.
4. What is the minimum clearance that must be maintained below the deflector of a sprinkler
head to ensure proper water distribution?
A. 18 inches
B. 12 inches
, C. 24 inches
D. 36 inches
Answer: A
Conceptual Explanation: Standard sprinkler heads require a minimum of 18 inches of
clearance below the deflector to allow the discharge pattern to develop properly.
5. In a pressure tank, what is the standard ratio of water to compressed air?
A. 2/3 water to 1/3 air
B. 1/2 water to 1/2 air
C. 1/3 water to 2/3 air
D. 3/4 water to 1/4 air
Answer: A
Conceptual Explanation: A standard pressure tank is typically filled with two-thirds
water and one-third pressurized air to provide the necessary force for water discharge.
6. How often must the water flow alarm on a wet-pipe sprinkler system be tested?
A. Quarterly
B. Monthly
C. Weekly
D. Annually
