Practice question

What does 'uniformity ratio' indicate in a roadway lighting design?

  1. The number of luminaires used
  2. The ratio of average to minimum illuminance, indicating how evenly light is distributed across the roadway
  3. The color of the light
  4. The wattage of each luminaire

Answer: B — The ratio of average to minimum illuminance, indicating how evenly light is distributed across the roadway

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