NCIDQ Interior Design Qualification 2 — Questions and Answers
Question 1: Which NCIDQ exam section tests a candidate's ability to apply design knowledge to a realistic project scenario through a timed drawing exercise?
- IDFX
- IDPX
- PRAC (Correct answer)
- CIDQ Assessment
Correct answer: PRAC
The PRAC (Practicum) section requires candidates to produce design drawings within a set time, simulating real project conditions.
Question 2: Under the ADA, what is the minimum clear floor space required at a wheelchair-accessible lavatory?
- 24 inches wide by 36 inches deep
- 30 inches wide by 48 inches deep (Correct answer)
- 36 inches wide by 42 inches deep
- 32 inches wide by 44 inches deep
Correct answer: 30 inches wide by 48 inches deep
ADA Standards require a 30-inch by 48-inch clear floor space for a forward or parallel approach at accessible lavatories.
Question 3: A designer specifies a partition system with an STC rating of 50. What does STC measure?
- The thermal resistance of the partition assembly
- The fire resistance rating in hours
- The ability of a partition to reduce airborne sound transmission (Correct answer)
- The structural load capacity of the wall
Correct answer: The ability of a partition to reduce airborne sound transmission
Sound Transmission Class (STC) rates how well a building partition attenuates airborne sound.
Question 4: Which contract document establishes the legal relationship, scope of services, and compensation between the interior designer and client?
- Specification manual
- Letter of transmittal
- Owner-designer agreement (Correct answer)
- Certificate of substantial completion
Correct answer: Owner-designer agreement
The owner-designer agreement is the binding contract that defines services, fees, and responsibilities.
Question 5: In a furniture plan, the typical scale used for residential projects to show adequate detail is:
- 1/16" = 1'-0"
- 1/8" = 1'-0"
- 1/4" = 1'-0" (Correct answer)
- 1/2" = 1'-0"
Correct answer: 1/4" = 1'-0"
1/4" = 1'-0" is the standard residential floor plan scale, balancing detail with sheet size.
Question 6: Which type of lighting fixture is classified as 'direct/indirect' in its light distribution pattern?
- Recessed downlight
- Track head aimed at ceiling
- Pendant with translucent upper and lower diffuser (Correct answer)
- Surface-mounted strip light
Correct answer: Pendant with translucent upper and lower diffuser
A pendant with both an upward-translucent diffuser and a downward diffuser distributes light both up (indirect) and down (direct).
Question 7: When specifying flooring for a commercial kitchen, which material is the MOST appropriate choice for slip resistance and hygiene?
- Polished marble tile
- Unglazed quarry tile with epoxy grout (Correct answer)
- Luxury vinyl plank
- Poured concrete with a smooth finish
Correct answer: Unglazed quarry tile with epoxy grout
Unglazed quarry tile provides inherent slip resistance and, combined with epoxy grout, creates a sanitary, durable surface for commercial kitchens.
NCIDQ Interior Design Qualification 2
Which NCIDQ exam section tests a candidate's ability to apply design knowledge to a realistic project scenario through a timed drawing exercise?