Practice question

What is the Color Rendering Index (CRI) and why is it important for roadway lighting?

  1. A measure of the lamp wattage
  2. A scale from 0-100 that indicates how accurately a light source renders colors compared to a reference source
  3. A measure of the total lumens produced
  4. The pole paint color specification

Answer: B — A scale from 0-100 that indicates how accurately a light source renders colors compared to a reference source

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Practice more: IMSA Roadway Lighting I Practice Questions - IMSA Roadway Lighting Technician Level I Certification Exam Exam →