CIDQ IDPX Exam Questions
Interior Design Professional (Page 3 )

Updated On: 28-Feb-2026

During construction of a project in another city, what is a common and efficient way for a small firm to manage the progress?

  1. visit the location of the project on a weekly basis
  2. joint-venture with a design firm local to the project
  3. partner with a prominent company local to the designer
  4. hire one employee that will remain in the city of the project

Answer(s): B



A contractor has notified the designer that the existing paint in a space tests positive for lead.
What is the correct course of action?

  1. The lead paint should be encapsulated with oil-based paint
  2. The designer should notify the Environmental Protection Agency (EPA)
  3. A professional licensed contractor should perform lead-paint abatement
  4. A custodian should vacuum with a high-efficiency particulate air (HEPA) filter vacuum

Answer(s): C



How are the actual riser and tread dimensions for a set of stairs determined?

  1. Divide floor opening by desired tread dimension
  2. Divide floor opening by desired riser dimension
  3. Divide floor-to-floor height by minimum riser dimension
  4. Divide floor-to-floor height by maximum riser dimension

Answer(s): D



What is the MINIMUM distance a vending machine can be located on the push side of a door with a closer and latch in an employee breakroom?

  1. 12" [305 mm]
  2. 18" [457 mm]
  3. 24" [610 mm]

Answer(s): B



The installation of which material has the lowest VOC emissions?

  1. epoxy paint
  2. ceramic tile
  3. vinyl wallcovering

Answer(s): B






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