CFAA Fire Alarm Technician · Question
How must smoke detectors be functionally tested during Verification?
Clause 5.4.1.2 requires testing smoke detectors in place to ensure smoke can reach the sensing chamber (in-situ test).
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Question: How must smoke detectors be functionally tested during Verification?
Answer options:
- By using a magnet test only.
- By blowing into the detector. ✅ By introducing smoke or simulated aerosol into the sensing chamber.
- By applying a heat gun to the plastic cover.
Correct answer: By introducing smoke or simulated aerosol into the sensing chamber.
Explanation: Clause 5.4.1.2 requires testing smoke detectors in place to ensure smoke can reach the sensing chamber (in-situ test).
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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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