Free CIDQ IDPX Practice Test & Real Exam Questions

  • Exam Code/Number: IDPX
  • Exam Name/Title: Interior Design Professional Exam
  • Certification Provider: CIDQ
  • Corresponding Certification: Interior Design Certification
  • Exam Questions: 179
  • Updated On: Aug 12, 2026
Administration, marketing, and management expenses in a design firm are examples of
Correct Answer: A Vote an answer
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The ground floor of a building contains a mixed occupancy with a retail store (9,500 sf [884 m²]) with an adjacent storage space (2,000 sf [186 m²]), a daycare (5,000 sf [465 m²]), and an office (6,000 sf [557 m²]).
Based on the chart below, what is the occupant load for this floor?
Occupancy Type
Occupant Load Factor (sf/person)
Retail (Mercantile)
60
Storage
300
Daycare
35
Office (Business)
150
Correct Answer: A Vote an answer
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A design firm located in Utah has been awarded a new construction project located in Toronto. What building code and permit requirements must the design firm comply with when designing the project?
Correct Answer: D Vote an answer
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An owner wants to control the lights above the television separately from the lights over the table in their conference room. What should the designer do?
Correct Answer: C Vote an answer
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In order for a building permit to be issued, what MUST be completed?
Correct Answer: C Vote an answer
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Why is corrective work completed post-occupancy often MORE costly for the contractor?
Correct Answer: A Vote an answer
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Plumbing traps are an essential feature of sanitary drains because they prevent
Correct Answer: A Vote an answer
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Which two functions are allowed with a one-hour fire separation in a fully-sprinklered building?
Correct Answer: D Vote an answer
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Prior to the contract document phase, a designer should meet with a client for what purpose?
Correct Answer: D Vote an answer
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What is the standard sequence of events for the permit process?
Correct Answer: A Vote an answer
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Which party is responsible for requesting inspections during construction of a project?
Correct Answer: B Vote an answer
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The specification of which item is within the scope of work for interior designers when designing for water conservation?
Correct Answer: C Vote an answer
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What is the MOST efficient lighting control system a designer can incorporate in a fifth floor, south-facing office suite?
Correct Answer: A Vote an answer
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