ASIS
PSP · Question #142
What are wide-beam units, primarily used to extend the illumination in long, horizontal strips to protect the approaches to the perimeter barrier?
The correct answer is D. Fresnel Lenses. See the full explanation below for the reasoning.
Question
What are wide-beam units, primarily used to extend the illumination in long, horizontal strips to protect the approaches to the perimeter barrier?
Options
- AFloodlights
- BSearch lights
- CPerimeter lighting
- DFresnel Lenses
How the community answered
(25 responses)- A16% (4)
- B4% (1)
- C4% (1)
- D76% (19)
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