← All CID Flashcard Decks

Mixed Deck — All CID Topics Flashcards

100 cards from real CID practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 20 Mixed Deck — All CID Topics flashcards as text
  1. In the 60-30-10 rule of color distribution, the 10 percent typically represents what?

    Answer: The accent color

    In the 60-30-10 rule, 10 percent is reserved for the accent color.

  2. Which color rendering index (CRI) value is considered the minimum acceptable for spaces requiring accurate color perception, such as retail showrooms?

    Answer: CRI 80

    A CRI of 80 or above is considered the minimum acceptable threshold for spaces where accurate color rendering is important.

  3. With regard to sole traders, drawings are not an allowable expense.

    Answer: TRUE

    For sole traders, 'drawings' refer to money or assets taken out of the business by the owner for personal use. These are considered a reduction in the owner's capital, not an expense incurred by the business to generate revenue. Therefore, drawings are not an allowable expense for tax purposes and cannot be deducted from business profits.

  4. Placing a bright yellow chair in an otherwise neutral gray room primarily uses which principle to draw attention?

    Answer: Contrast

    Strong difference in color creates contrast that pulls the eye to the chair.

  5. What is bilateral symmetry?

    Answer: A piece's two sides are still symmetrical despite a slight variation.

    Bilateral symmetry is a specific type of symmetrical balance where a composition can be divided by a central axis, and both sides are essentially mirror images. While the definition provided mentions 'slight variation,' in its purest form, bilateral symmetry implies near-perfect mirroring. It's a fundamental concept in biology and art, creating a sense of order and recognition.

  6. Which flooring material is naturally antimicrobial and made from renewable cork oak bark?

    Answer: Cork

    Cork is harvested from bark, is renewable, and has antimicrobial properties.

  7. What is the main code concern when a mezzanine is added to an interior space?

    Answer: Its area relative to the room below and egress provisions

    Mezzanines are limited in area relative to the floor below and must provide adequate egress.

  8. The term 'casegoods' in furniture specification refers to which category of items?

    Answer: Hard-sided storage furniture such as dressers, cabinets, and desks

    Casegoods are hard-sided storage and surface furniture — such as dressers, nightstands, armoires, and desks — distinguished from upholstered goods.

  9. A client wants a north-facing room to feel warmer without construction. Which decorating change best achieves this?

    Answer: Add warm-toned paint, textiles, and warm-temperature lighting

    Warm hues, layered textiles, and 2700K lighting counteract the cool cast of north light.

  10. Which element of design refers to the perceived surface quality of an object, whether smooth, rough, or glossy?

    Answer: Texture

    Texture is the tactile or visual surface quality of materials in a space.

  11. In a residential bedroom, which color temperature (CCT) creates the most relaxing and warm atmosphere?

    Answer: 2700K

    A CCT of 2700K produces warm, incandescent-like light that promotes relaxation and is ideal for residential bedrooms.

  12. Which reference tool is most commonly used by US interior designers to communicate exact paint color specifications to contractors and clients?

    Answer: Benjamin Moore or Sherwin-Williams fan deck with specific color numbers

    US interior designers typically use manufacturer fan decks from Benjamin Moore or Sherwin-Williams with specific color numbers for precise, reproducible color specifications.

  13. What is the difference between hardwood and engineered wood flooring?

    Answer: Hardwood is solid wood throughout; engineered has a real wood veneer over layers of plywood or HDF

    Solid hardwood is milled from a single piece of wood and can be refinished multiple times. Engineered wood has a real wood top layer bonded to a stable core of plywood or HDF, offering better moisture resistance and dimensional stability.

  14. What is the key difference between a 'fixed fee' and an 'hourly rate' design contract?

    Answer: A fixed fee sets a predetermined total cost for all services; hourly billing charges based on actual time spent

    A fixed fee contract sets a lump-sum price for defined services, offering budget certainty, while hourly billing charges for actual time and creates variable project costs.

  15. The Cradle to Cradle certification evaluates products primarily on:

    Answer: Safe materials, reuse, and circular design

    Cradle to Cradle assesses material health, reuse, and circular life cycles.

  16. In color theory, colors located opposite each other on the color wheel are known as what?

    Answer: Complementary colors

    Complementary colors sit directly across from one another on the color wheel.

  17. What is the standard minimum width for a residential hallway serving as a primary circulation route?

    Answer: 36 inches

    A minimum hallway width of 36 inches is standard for residential primary circulation under most codes.

  18. Which wood joinery method is generally considered the strongest for load-bearing furniture construction?

    Answer: Mortise and tenon joint

    The mortise and tenon joint creates a strong mechanical interlock between components and has been a standard in fine furniture construction for centuries due to its superior strength.

  19. What is the typical standard seat height for general-purpose dining chairs in residential interiors?

    Answer: 17–19 inches

    Standard dining chair seat height is 17–19 inches, designed to pair comfortably with standard 29–30 inch dining table heights while allowing feet to rest flat on the floor.

  20. The term 'ganging' in contract seating refers to:

    Answer: Connecting multiple chairs or seats side-by-side using linking hardware

    Ganging is a feature of contract seating where individual chairs can be linked side-by-side with connecting hardware, common in auditoriums, airports, and waiting areas.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. ccidc.org — Fees, registration deadline, retake fee, retake policy, test dates, renewal, score validity, eligibility, exam format, passing score · verified Oct 2026