CIDQ IDPX Exam Questions
Interior Design Professional (Page 6 )

Updated On: 28-Feb-2026

What is the MINIMUM illumination level at the walking surface for a means of egress?

  1. 1 footcandle [10.76 lux]
  2. 2 footcandles [21.53 lux]
  3. 5 footcandles [53.82 lux]
  4. 9 footcandles [96.88 lux]

Answer(s): A



Referencing the table below, which two spaces could be combined as part of the space needs program?
Space
Days in Use
Hours of Use
Banquet
Friday to Sunday
10am to 10pm
Classroom
Monday to Friday
8am to 12pm
Art Gallery
Wednesday to Sunday
11am to 7pm
Exhibition Hall
Friday to Tuesday

5pm to 10pm

  1. art gallery and banquet
  2. classroom and art gallery
  3. banquet and exhibition hall
  4. exhibition hall and classroom

Answer(s): D



During which phase is it BEST to consider integrating a security system in a project?

  1. permit review
  2. post-occupancy
  3. schematic design
  4. construction documents

Answer(s): C



What is the MOST cost-effective way to locate plumbing fixtures in a commercial building renovation?

  1. Install plumbing fixtures by vertical penetrations
  2. Place plumbing fixtures in the axis of the building
  3. Locate plumbing fixtures on the exterior walls of the building
  4. Place plumbing fixtures as close to existing plumbing lines as possible

Answer(s): D



What is required prior to occupancy to improve indoor air quality?

  1. clean the air intake vents
  2. run the mechanical system
  3. test carbon monoxide detectors

Answer(s): B






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