Interior Design Interior Design 5 — Questions and Answers
Question 1: Which sustainable flooring material is known for being rapidly renewable due to its fast growth rate?
- Teak
- Mahogany
- Bamboo (Correct answer)
- Oak
Correct answer: Bamboo
Bamboo reaches maturity in 3–5 years—far faster than hardwood trees—making it one of the most rapidly renewable flooring options.
Question 2: What is the 'golden ratio' (approximately 1:1.618) used for in interior design?
- Calculating paint coverage per gallon
- Determining proportionally pleasing dimensions and spatial relationships (Correct answer)
- Setting the correct lighting lumen output
- Establishing electrical outlet spacing
Correct answer: Determining proportionally pleasing dimensions and spatial relationships
The golden ratio guides proportional relationships in furniture sizing, room division, and layout to achieve naturally harmonious and visually pleasing compositions.
Question 3: Which ADA guideline specifies the minimum clear floor space required for a wheelchair turning radius?
- 36 inches
- 48 inches
- 60 inches (Correct answer)
- 72 inches
Correct answer: 60 inches
ADA standards require a minimum 60-inch diameter clear floor space to allow a standard wheelchair to complete a full 180° or 360° turn.
Question 4: What distinguishes 'ambient lighting' from 'task lighting' in a layered lighting plan?
- Ambient lighting targets a specific work surface; task lighting fills the whole room
- Ambient lighting provides general room illumination; task lighting focuses on a specific activity area (Correct answer)
- Ambient lighting uses colored bulbs; task lighting uses white bulbs
- Ambient lighting is always recessed; task lighting is always portable
Correct answer: Ambient lighting provides general room illumination; task lighting focuses on a specific activity area
Ambient lighting provides overall general illumination for a space, while task lighting delivers concentrated light to specific areas for activities like reading or cooking.
Question 5: What is 'japandi' style in contemporary interior design?
- A maximalist style combining Japanese and Scandinavian influences
- A minimalist aesthetic blending Japanese wabi-sabi and Scandinavian hygge principles (Correct answer)
- A coastal design style inspired by Japan's seaside architecture
- A traditional Japanese design style applied to Scandinavian homes
Correct answer: A minimalist aesthetic blending Japanese wabi-sabi and Scandinavian hygge principles
Japandi merges Japanese wabi-sabi (embracing imperfection) with Scandinavian hygge (cozy minimalism), resulting in calm, functional, nature-inspired interiors.
Question 6: When specifying upholstery fabric, what does the 'double rub' count measure?
- The number of colors in the fabric pattern
- The fabric's abrasion resistance and durability (Correct answer)
- The tightness of the weave per square inch
- The weight of the fabric in ounces per yard
Correct answer: The fabric's abrasion resistance and durability
Double rub count measures how many back-and-forth cycles of friction a fabric can withstand before showing wear, indicating its durability for upholstery use.
Question 7: Which interior design style is characterized by exposed brick, raw concrete, steel beams, and open ductwork?
- Bohemian
- Industrial (Correct answer)
- Art Deco
- Coastal
Correct answer: Industrial
Industrial style draws inspiration from factories and warehouses, featuring raw, unfinished materials like exposed brick, concrete, steel, and visible mechanical systems.
Which sustainable flooring material is known for being rapidly renewable due to its fast growth rate?