Which describes an intelligent spot type smoke detector?

Question

Options

• AChanges the tone of the alarm depending on the heat intensity of a fire
• BAllows location-specific information to be sent to the central control station
• CRegulates the amount of air entering the sensor chamber to minimize false alarms
• DUses wireless technology similar to RFID which requires fewer detectors per unit area

• A
  3% (1)
• B
  82% (32)
• C
  5% (2)
• D
  10% (4)

Explanation

An intelligent spot type smoke detector earns its "intelligent" label by doing more than just triggering a generic alarm - it communicates which specific detector activated, sending location-specific data (zone, address, device ID) directly to the central control station. This allows responders to pinpoint the exact location of a potential fire immediately, which is the defining characteristic of an addressable (intelligent) system.

Why the distractors are wrong:

• A - Changing alarm tone based on heat intensity describes a heat detector behavior or a multi-criteria device, not a standard intelligent smoke detector function.
• C - Regulating airflow into the sensor chamber describes a drift compensation or contamination control feature, not what makes a detector "intelligent."
• D - RFID-like wireless technology describes a wireless detector system, which is a separate classification from intelligent/addressable wired systems.

Memory tip: Think of "intelligent" as meaning the detector can talk back with its address - just like a smartphone has a unique phone number, an intelligent detector has a unique ID it reports to the panel. If it can say where it is, it's intelligent.

No community discussion yet for this question.