Interior Design Interior Design Space Planning & Ergonomics 1 — Questions and Answers
Question 1: According to standard ergonomic guidelines, what is the recommended seat height range for a dining chair paired with a standard 30-inch dining table?
- 12–14 inches
- 16–18 inches
- 17–19 inches (Correct answer)
- 22–24 inches
Correct answer: 17–19 inches
Standard dining chairs have seat heights of 17–19 inches to pair comfortably with 28–30 inch tables, allowing users to sit with feet flat on the floor.
Question 2: What is the minimum recommended clearance for a main traffic path through a living area, per residential furniture planning standards?
- 24 inches
- 36 inches (Correct answer)
- 48 inches
- 60 inches
Correct answer: 36 inches
A minimum of 36 inches is recommended for primary circulation paths in residential spaces to allow comfortable passage without furniture obstruction.
Question 3: In kitchen design, the 'work triangle' concept refers to the relationship between which three elements?
- Refrigerator, sink, and cooktop/range (Correct answer)
- Pantry, dishwasher, and microwave
- Cabinets, countertop, and backsplash
- Island, bar stools, and cooktop
Correct answer: Refrigerator, sink, and cooktop/range
The kitchen work triangle connects the refrigerator, sink, and cooking surface to minimize unnecessary movement during meal preparation.
Question 4: What is the ADA-recommended minimum clear floor space for a wheelchair turning radius in accessible design?
- 48 × 48 inches
- 60-inch diameter circle (Correct answer)
- 36 × 36 inches
- 72 × 72 inches
Correct answer: 60-inch diameter circle
The ADA requires a 60-inch diameter clear floor space for a full 360-degree wheelchair turning radius in accessible rooms and corridors.
Question 5: The standard counter height for kitchen work surfaces in US residential design is:
- 28 inches
- 30 inches
- 36 inches (Correct answer)
- 42 inches
Correct answer: 36 inches
Standard US kitchen counters are 36 inches high, designed to be comfortable for an average-height adult standing at the work surface.
Question 6: Which space planning principle involves organizing a room layout so that a clear sightline is maintained from the entry to a focal point?
- Axial planning (Correct answer)
- Radial planning
- Grid planning
- Organic planning
Correct answer: Axial planning
Axial planning arranges space along a dominant axis, creating sightlines and movement paths that draw the eye toward a focal point such as a fireplace or window.
Interior Design Interior Design Space Planning & Ergonomics 1
According to standard ergonomic guidelines, what is the recommended seat height range for a dining chair paired with a standard 30-inch dining table?