Which Type of Photoelectric Smoke Detector Focuses a Beam of Light

question 59

Multiple Choice

Which type of photoelectric smoke detector focuses a beam of light across the monitored area into a cell, and initiates an alarm when the beam is obscured?

• A) Ionization smoke detector
• B) Projected-beam smoke detector
• C) Light-emitting diode smoke detector
• D) Refractory application smoke detector

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Definitions:

Resistance Change

The opposition or pushback encountered when attempting to implement changes, often due to comfort with the status quo or fear of the unknown.

Underlying Restraining

Fundamental barriers or obstacles that prevent progress or the achievement of an objective.

Change Agent

An individual or group that drives and facilitates organizational change, often by influencing and encouraging others to adopt new processes, behaviors, or approaches.

Unfreezing

The initial phase in the change process where existing patterns or behaviors are dismantled to prepare for the introduction of new methods or ways of functioning.