NCIDQ Study Guide 2026
Everything you need to pass the NCIDQ exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 NCIDQ Exam Format at a Glance
📚 NCIDQ Topics to Study (21)
✍️ Sample NCIDQ Questions & Answers
1. Which lighting control strategy dims electric lights to a predetermined level based on the space's actual usage needs, rather than maximum design levels?
Task tuning (or institutional tuning) permanently sets the maximum light output of fixtures to match the actual illuminance needs of a space, reducing energy waste from over-lit areas.
2. What does the Wyzenbeek test measure for upholstery fabric?
The Wyzenbeek test measures upholstery fabric abrasion resistance by rubbing a wire mesh back and forth across the fabric and counting double rubs until wear shows.
3. Which provision of the ADA requires that alterations to an existing facility also make a path of travel to the altered area accessible?
The ADA path of travel obligation requires that when a primary function area is altered, the accessible path of travel to that area (including restrooms, phones, drinking fountains) must also be made accessible.
4. What does 'submittals' refer to during the construction administration phase?
Submittals are contractor-prepared or collected documents — including shop drawings, product data sheets, and physical material samples — sent to the designer for review and approval before work proceeds.
5. The contractors and the? usually attend bid openings.
The general contractors, owner, and interior designer are typically in attendance, even though most bid openings are available to anybody who wishes to attend.
6. What does the term 'wall washing' describe in interior lighting design?
Wall washing uses fixtures positioned to distribute light evenly across an entire vertical wall surface, creating a bright, uniform glow that makes the space feel larger.