Practice Test GeeksF89 - Fire and Life Safety Director Practice Test
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F89 Communication Systems and Emergency Notifications Questions and Answers Flashcards

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Read the first 7 F89 Communication Systems and Emergency Notifications Questions and Answers flashcards as text

  1. Under NFPA 72, how frequently must voice intelligibility testing be conducted on a mass notification system in a high-rise building?

    Answer: Annually

    NFPA 72 requires annual testing of voice intelligibility for mass notification and emergency communication systems.

  2. A Fire and Life Safety Director discovers that the building's two-way fire department communication (firefighter phone) jacks on floors 12 through 18 are inoperative. What is the FIRST action to take?

    Answer: Notify the fire department and post a fire watch on those floors

    Inoperative firefighter phone jacks constitute an impairment requiring immediate notification to the fire department and implementation of a fire watch.

  3. Which condition would cause a Class A notification appliance circuit to continue operating even after a single open-circuit fault?

    Answer: The circuit is wired in a loop returning to the panel

    Class A wiring uses a loop configuration so that an open fault isolates only one segment while the remainder of the circuit continues to operate.

  4. During an emergency, the fire command station microphone is used but occupants report they cannot hear announcements on the 30th floor. What component is MOST likely at fault?

    Answer: A tripped amplifier or speaker circuit serving that zone

    An amplifier or speaker circuit failure serving a specific zone would prevent announcements from reaching that floor while leaving other zones unaffected.

  5. What is the purpose of the 'alert tone' that precedes a pre-recorded or live voice emergency message?

    Answer: To attract attention and signal that an important announcement will follow

    The alert tone (typically a three-pulse temporal pattern or attention signal) draws occupants' attention before a spoken message begins.

  6. In a high-rise building, the F89 protocol calls for 'defend-in-place' for most occupants. Which communication action BEST supports this strategy?

    Answer: Providing floor-specific instructions that direct only affected floors to act

    Floor-specific announcements limit unnecessary movement and direct occupants on the fire floor and adjacent floors while others shelter in place.

  7. A secondary (backup) power supply for the fire alarm and notification system must be capable of operating the system in standby mode for at least how long under NFPA 72?

    Answer: 24 hours

    NFPA 72 requires the secondary power supply to maintain standby operation for a minimum of 24 hours followed by 5 minutes of alarm.