CFAA Fire Alarm Technician · Question
A building with an emergency voice communication system must have its batteries tested to provide full alarm load for:
For high-rise residential or emergency voice systems, NBC 3.2.7.8 requires 24h standby and 30m alarm. S536 tests this capability. A 20% margin is often recommen
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Question: A building with an emergency voice communication system must have its batteries tested to provide full alarm load for:
Answer options:
- 5 minutes ✅ 30 minutes
- 60 minutes
- 2 hours
Correct answer: 30 minutes
Explanation: For high-rise residential or emergency voice systems, NBC 3.2.7.8 requires 24h standby and 30m alarm. S536 tests this capability. A 20% margin is often recommended for safety.
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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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