ASTTBC RFPT — Fire Alarm Systems (AL) · Question
Smoke detectors shall not be installed closer than how many millimeters to a supply air diffuser?
Section 10.1 of S524 requires detectors to be installed in a way that minimizes the effect of air movement from HVAC systems which can blow smoke away from the
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Question: Smoke detectors shall not be installed closer than how many millimeters to a supply air diffuser?
Answer options:
- 100 mm ✅ 900 mm (3 feet)
- 2000 mm
- Directly inside the duct only
Correct answer: 900 mm (3 feet)
Explanation: Section 10.1 of S524 requires detectors to be installed in a way that minimizes the effect of air movement from HVAC systems which can blow smoke away from the detector.
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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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