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Interior Design Lighting Design & Illumination 1

What does the Color Rendering Index (CRI) measure?

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What Practice Test Geeks adds beyond an AI chat for Interior Design

An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:

  • A timed, full-length Interior Design mock exam — 115 questions in 180 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
  • A fixed Interior Design question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
  • Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
  • A printable Interior Design cheat sheet you can print or save as a PDF.
  • Interior Design flashcards built from the same question bank.
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These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. cidq.org — Test delivery, fees, passing score, registration, renewal, retake policy, score release, test dates, time limit, score validity · verified Oct 2026