CFAA Fire Alarm Technician · Question
What is the requirement for sensitivity testing of duct smoke detectors?
Duct smoke detectors must serve a specific airflow velocity range. Sensitivity must be checked to ensure they function within the actual duct air velocity measu
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Question: What is the requirement for sensitivity testing of duct smoke detectors?
Answer options: ✅ They must be tested for sensitivity like any other smoke detector
- They are exempt from sensitivity testing due to accessibility issues
- They only require a functional alarm test, not sensitivity
- They must be tested weekly for sensitivity
Correct answer: They must be tested for sensitivity like any other smoke detector
Explanation: Duct smoke detectors must serve a specific airflow velocity range. Sensitivity must be checked to ensure they function within the actual duct air velocity measured.
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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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