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CFM Fire Suppression Systems & Equipment Flashcards

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

Read the first 6 CFM Fire Suppression Systems & Equipment flashcards as text

  1. A Class 1 standpipe system is designed for use by which group?

    Answer: Fire department personnel using 2½-inch hose connections

    Class 1 standpipe systems provide 2½-inch connections for fire department use with large fire hoses during structural firefighting.

  2. What is the recommended inspection frequency for portable fire extinguishers in most occupancies per NFPA 10?

    Answer: Monthly

    NFPA 10 requires monthly visual inspections of portable fire extinguishers to verify they are accessible, charged, and in working condition.

  3. Which component of a fire suppression system activates the alarm when water begins to flow through the sprinkler piping?

    Answer: Flow switch (water flow detector)

    A flow switch detects water movement through the pipes and sends a signal to the fire alarm system to indicate sprinkler activation.

  4. Carbon dioxide (CO2) fire suppression systems pose what primary life safety hazard to occupants?

    Answer: Oxygen displacement causing suffocation in enclosed spaces

    CO2 extinguishes fires by displacing oxygen, which means it can create life-threatening oxygen-deficient atmospheres in enclosed occupied spaces.

  5. What is the purpose of an inspector's test valve on a wet pipe sprinkler system?

    Answer: To simulate the flow of one sprinkler head to test the alarm without activating sprinklers

    The inspector's test valve releases water at a rate equivalent to one sprinkler head to verify proper alarm notification without triggering actual sprinklers.

  6. Under NFPA 13, which occupancy hazard classification would typically apply to a woodworking shop with heavy combustible materials?

    Answer: Extra hazard Group 2

    Extra hazard Group 2 applies to occupancies with shredded or fine combustibles where fires develop rapidly and suppression requirements are most demanding.