Interior Design Practice Test

Question 1

Which sort of color harmony is defined by combinations of three to five colors on the color wheel that are adjacent to one other.

Accepted Answer

Analogous

Answer

Analogous color harmony involves using three to five colors that are located next to each other on the color wheel. This creates a serene and comfortable design, as the colors share a common hue and blend smoothly. It's a popular choice for creating cohesive and harmonious interiors.

Question 2

The decibel (dB) scale measures:

Accepted Answer

Sound

Answer

The decibel (dB) scale is a logarithmic unit used to measure the intensity or loudness of sound. In interior design, understanding decibels is crucial for acoustic planning, as it helps designers assess noise levels and select materials or design solutions to control sound transmission and reverberation within a space.

Question 3

What is evaluated by the STC (Sound Transmission Class)?

Accepted Answer

The acoustical quality

Answer

Sound Transmission Class (STC) is a single-number rating used to quantify a material's or assembly's effectiveness in reducing airborne sound transmission. A higher STC rating indicates better sound insulation, meaning less sound passes through. It is a key metric for evaluating the acoustical quality and soundproofing capabilities of walls, floors, and ceilings in interior design.

Question 4

Please tick the term that represents a horizontal part that is placed over a huge aperture to support the weight 
above in the construction of a wall:

Accepted Answer

Lintel

Answer

A lintel is a horizontal structural member placed over an opening in a wall, such as a window or door. Its primary function is to support the weight of the wall or masonry directly above the opening. This prevents the wall from collapsing and ensures the structural integrity of the aperture.

Question 5

Please tick the term that represents the strips that are put to a wall or ceiling to allow for the application of other materials:

Accepted Answer

Furring

Answer

Furring refers to the strips of wood or metal applied to a wall or ceiling surface. These strips create an air space or provide a level and even substrate for attaching finish materials like drywall, paneling, or insulation. This technique is often used to straighten uneven surfaces or create a nailing base.