CID CID Lighting Design and Technology

Question 1

Which lighting layer provides general illumination throughout a space and is considered the base layer of a lighting plan?

Accepted Answer

Ambient lighting

Answer

Ambient lighting serves as the foundational layer that provides overall illumination for a space.

Question 2

What is the unit of measurement used to quantify the amount of light falling on a surface?

Accepted Answer

Foot-candle

Answer

A foot-candle measures illuminance, which is the amount of light (lumens) falling on one square foot of surface.

Question 3

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

Accepted Answer

CRI 80

Answer

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

Question 4

In interior design, what does CCT stand for in reference to light sources?

Accepted Answer

Correlated Color Temperature

Answer

CCT (Correlated Color Temperature) describes the warmth or coolness of white light, measured in Kelvin.

Question 5

Which type of lighting is specifically designed to draw attention to artwork, architectural features, or display objects?

Accepted Answer

Accent lighting

Answer

Accent lighting is used to highlight specific objects or features, typically requiring three times more light than ambient levels.

Certified Interior Designer (CID) Practice Test

Certified Interior Designer (CID) Practice Test

CID CID Lighting Design and Technology