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ASTTBC RFPT — Fire Alarm Systems (AL) · Question

What is the mandatory method for verifying the operation of a smoke detector?

For smoke detectors, S537 requires 'functional testing' using smoke or an aerosol approved by the manufacturer to ensure the entry of smoke into the chamber.

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Question: What is the mandatory method for verifying the operation of a smoke detector?

Answer options:

  • Magnet testing using the internal reed switch
  • Pushing the local 'Test' button on the detector head ✅ Introduction of smoke or simulated smoke into the sensing chamber
  • Measuring the resistance across the detector terminals

Correct answer: Introduction of smoke or simulated smoke into the sensing chamber

Explanation: For smoke detectors, S537 requires 'functional testing' using smoke or an aerosol approved by the manufacturer to ensure the entry of smoke into the chamber.

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