Home > OSHA Standards > Quizzes > NICET-Fire-Alarm: Fire Alarm Device Types and Functions - Detectors and NACs
NICET-Fire-Alarm: Fire Alarm Device Types and Functions - Detectors and NACs
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Avg score: 84% • Most missed: “Which device is MOST likely to create a trouble condition when it fails?”
Fire alarm systems use initiating devices (detect a fire condition) and notification appliances (alert occupants). Initiating devices include smoke detectors, heat detectors, manual pull stations, waterflow switches, and supervisory switches. Notification appliances (on NACs) include horns, strobes, speakers, and combination units. The control unit monitors inputs, processes logic, and activates outputs. Worked example(s) Example: A sprinkler waterflow switch initiates an alarm when water is flowing (sprinkler activation). A valve supervisory switch signals trouble/supervisory when a... Show more
NICET-Fire-Alarm: Fire Alarm Device Types and Functions - Detectors and NACs
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8 Questions

1. A heat detector generally activates based on:
2. Which device is MOST likely to create a trouble condition when it fails?
3. A valve supervisory switch typically causes which condition when a sprinkler control valve is closed?
4. Which circuit type commonly powers horns and strobes?
5. Which is a common example of a 'supervisory' condition?
6. The fire alarm control unit (FACU/FACP) primarily:
7. A heat detector generally activates based on:
8. Which is a common example of a 'supervisory' condition?

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