FDNY S-11: Supervision of Residential
Sprinkler Systems Practice Examination Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf
- What is the primary purpose of a residential sprinkler system under S-11
- To detect smoke
- To control or suppress a fire in its early stages
- To notify the fire department
- To activate fire doors
supervision?
Answer: B
Rationale: Sprinklers are designed to suppress or control fire growth before
it spreads, reducing life and property loss.
- The S-11 Certificate of Fitness holder is responsible for: 1 / 4
- Property insurance coverage
- Daily supervision and inspection of sprinkler system components
- Conducting fire drills
- Maintaining evacuation maps
Answer: B
Rationale: S-11 holders perform routine checks ensuring system readiness
and compliance.
3. A main control valve for a sprinkler system must be:
- Hidden behind a locked panel
- Kept open and secured with a seal or lock
- Closed when not in use
- Painted red only
Answer: B
Rationale: Control valves must remain open and tamper-proof to ensure
water availability for sprinklers.
- The required pressure for most residential sprinkler systems is
measured:
- In gallons
- In psi at the system riser or designated test point
- In meters 2 / 4
- In volts
Answer: B
Rationale: Pressure is the key performance indicator and must meet
system design requirements.
5. The Fire Department must be notified when:
- A tenant moves out
- The sprinkler system is out of service for any duration
- The building is painted
- A contractor performs electrical work
Answer: B
Rationale: Any impairment in the sprinkler system creates risk and must be
reported promptly.
6. A waterflow alarm device activates when:
- Smoke is detected
- Water moves through sprinkler piping due to an open sprinkler head
- The fire pump starts
- The building loses electricity
Answer: B
Rationale: The waterflow alarm indicates actual sprinkler discharge and
possible fire conditions. 3 / 4
7. The correct action if a sprinkler head is accidentally damaged:
- Ignore it
- Shut down the system (if necessary), notify FDNY, and arrange for repair
- Replace it without documentation
- Remove all sprinklers in the area
Answer: B
Rationale: Damage compromises protection and must be handled
according to impairment protocols.
8. Sprinkler heads must be kept:
- Painted regularly
- Free of obstruction and unpainted
- Covered with plastic caps
- Wrapped in insulation
Answer: B
Rationale: Obstructions and paint interfere with proper heat detection and
water distribution.
9. The inspector’s test valve simulates:
- A burst pipe
- The activation of a single sprinkler head
- / 4