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Exam ASIS-CPP topic 1 question 431 discussion

Actual exam question from ASIS's ASIS-CPP
Question #: 431
Topic #: 1
[All ASIS-CPP Questions]

The ionization fire detector warns of fire by responding to:

  • A. Invisible products of combustion emitted by a fire at its earliest stages
  • B. Infrared emissions from flames
  • C. Light changes
  • D. Smoke
  • E. Heat
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Suggested Answer: A 🗳️

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Darioarg78
8 months, 2 weeks ago
Ionization-type smoke alarms have a small amount of radioactive material between two electrically charged plates, which ionizes the air and causes current to flow between the plates. When smoke enters the chamber, it disrupts the flow of ions, thus reducing the flow of current and activating the alarm.
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