ASTTBC RFPT — Fire Alarm Systems (AL) · Question
How must the sensitivity of a smoke detector be measured?
Section 5.7.4.2.2 requires the use of instruments specifically designed for the purpose (calibrated) or using the FACP if it has a calibrated readout.
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Question: How must the sensitivity of a smoke detector be measured?
Answer options:
- Using a countdown timer and a standard aerosol spray
- By blowing cigarette smoke into the detector ✅ Using a calibrated instrument or the control unit's sensitivity readout
- By increasing the room temperature until the detector trips
Correct answer: Using a calibrated instrument or the control unit's sensitivity readout
Explanation: Section 5.7.4.2.2 requires the use of instruments specifically designed for the purpose (calibrated) or using the FACP if it has a calibrated readout.
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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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