ASTTBC RFPT — Fire Alarm Systems (AL) · Question
If a fire alarm system is in 'Alarm Silence' mode, what must the control unit do if a second alarm is triggered from a different zone?
CAN/ULC-S527 mandates that the silencing of an alarm signal must not prevent the re-activation of the audible signal upon a subsequent alarm from a different zo
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Question: If a fire alarm system is in 'Alarm Silence' mode, what must the control unit do if a second alarm is triggered from a different zone?
Answer options:
- Inhibit any further alarms until reset
- Only silence the local buzzer but keep horns active ✅ Permit the subsequent alarm from another zone to sound the notification appliances
- Automatically reset the system after 10 minutes
Correct answer: Permit the subsequent alarm from another zone to sound the notification appliances
Explanation: CAN/ULC-S527 mandates that the silencing of an alarm signal must not prevent the re-activation of the audible signal upon a subsequent alarm from a different zone.
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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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