CFAA Fire Alarm Technician · Question
What is a mandatory requirement for the annual inspection of a voice communication system's speakers?
Standard 536 inspection for speakers involves measuring sound pressure levels (dBA) and checking for clarity (STI) once per year.
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Question: What is a mandatory requirement for the annual inspection of a voice communication system's speakers?
Answer options:
- Monthly testing of every speaker individual volume control
- Testing speakers at 200% of rated voltage
- Checking speakers only when the building is empty ✅ Verification of audibility and intelligibility within and throughout the floor area
Correct answer: Verification of audibility and intelligibility within and throughout the floor area
Explanation: Standard 536 inspection for speakers involves measuring sound pressure levels (dBA) and checking for clarity (STI) once per year.
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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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