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Fire Suppression Systems Flashcards

7 cards from real FLSD practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Fire Suppression Systems flashcards as text

  1. Which NFPA standard establishes requirements for inspection, testing, and maintenance of water-based fire protection systems?

    Answer: NFPA 25

    NFPA 25 is the Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, covering sprinklers, standpipes, and related equipment.

  2. How often must a main drain test be performed on a wet pipe sprinkler system per NFPA 25?

    Answer: Annually

    NFPA 25 requires an annual main drain test to verify adequate water supply and detect potential obstructions in the sprinkler system piping.

  3. How does a deluge sprinkler system differ from other sprinkler system types?

    Answer: All sprinkler heads are open and water flows from every head simultaneously upon activation

    In a deluge system all sprinkler heads are open (no fusible elements), so when the system activates, water flows simultaneously from every head in the protected area.

  4. Per NFPA 13, what is the minimum required clearance between sprinkler head deflectors and the top of stored materials?

    Answer: 18 inches

    NFPA 13 requires a minimum 18-inch clearance between sprinkler deflectors and the top of storage to allow proper water distribution pattern below the heads.

  5. When a sprinkler system must be taken out of service for maintenance, what must the FLSD implement per NFPA 25?

    Answer: An impairment program that includes a fire watch

    NFPA 25 requires a formal impairment program when a water-based fire suppression system is out of service, which must include a fire watch to compensate for the loss of automatic protection.

  6. What color coding indicates a sprinkler head rated for ordinary temperature service (135–170°F)?

    Answer: Uncolored (natural brass)

    Sprinkler heads in the ordinary temperature range (135–170°F) have no color coding and appear as natural brass or uncolored, per NFPA 13 color coding standards.

  7. In New York City, when must the FDNY be notified that a sprinkler or standpipe system is out of service?

    Answer: When the system is out of service for more than 4 hours

    NYC Fire Code requires the FDNY to be notified whenever a sprinkler or standpipe system will be out of service for more than 4 hours so they can respond appropriately.