ASTTBC RFPT — Fire Alarm Systems (AL) · Question
What is the acceptable range for smoke detector sensitivity during field testing?
S536 requires the sensitivity to remain within the range marked on the device's nameplate.
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Question: What is the acceptable range for smoke detector sensitivity during field testing?
Answer options:
- 0.5% to 4.0% obscuration/ft for all devices
- ± 50% of the initial factory setting ✅ The range marked on the detector's nameplate
- Determined by the AHJ at time of inspection
Correct answer: The range marked on the detector's nameplate
Explanation: S536 requires the sensitivity to remain within the range marked on the device's nameplate.
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Question explanations
- Which of the following constitutes a system 'deficiency' rather than a 'non-conformance' to current standards?
- When a deficiency is corrected, what specific information MUST be recorded in the log?
- Which of the following would be categorized as a 'Non-Conformance' to the Installation Standard (S524) in an i
- In the event of a deficiency that renders the fire alarm system inoperative, what is the mandatory reporting r
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