CFAA Fire Alarm Technician · Question
During an annual inspection, what two factors must be verified regarding the emergency voice messages?
S536 requires testing speakers to ensure they are audible and the message is intelligible. Common practice and S537 specify 'clear and intelligible'.
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Question: During an annual inspection, what two factors must be verified regarding the emergency voice messages?
Answer options:
- Volume only
- Length of recording only ✅ Audibility and Intelligibility
- Frequency range in kilohertz
Correct answer: Audibility and Intelligibility
Explanation: S536 requires testing speakers to ensure they are audible and the message is intelligible. Common practice and S537 specify 'clear and intelligible'.
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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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