CFAA Fire Alarm Technician · Question
When must an ancillary function like 'elevator recall' be initiated by the fire alarm system?
Ancillary functions like closing fire doors or shutting down fans should be triggered upon any alarm signal unless programmed specifically for localized smoke c
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Question: When must an ancillary function like 'elevator recall' be initiated by the fire alarm system?
Answer options:
- Upon a trouble signal ✅ Upon an alarm signal
- Only when the system is in 'test' mode
- Upon a supervisory signal from a tamper switch
Correct answer: Upon an alarm signal
Explanation: Ancillary functions like closing fire doors or shutting down fans should be triggered upon any alarm signal unless programmed specifically for localized smoke control.
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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