ASTTBC RFPT — Fire Alarm Systems (AL) · Question
Visible signal devices are required in floor areas where the ambient noise level is likely to exceed:
NBCC 3.2.4.19.(10)(a) requires visual signals when the ambient noise exceeds 85 dBA because auditory signals may not be perceived.
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Question: Visible signal devices are required in floor areas where the ambient noise level is likely to exceed:
Answer options:
- 70 dBA
- 75 dBA ✅ 85 dBA
- 95 dBA
Correct answer: 85 dBA
Explanation: NBCC 3.2.4.19.(10)(a) requires visual signals when the ambient noise exceeds 85 dBA because auditory signals may not be perceived.
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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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