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

Accent lighting

Answer

Task lighting

Answer

Decorative lighting

Question 2

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

Accepted Answer

Foot-candle

Answer

Lumen

Answer

Candela

Answer

Watt

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

CRI 60

Answer

CRI 70

Answer

CRI 50

Question 4

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

Accepted Answer

Correlated Color Temperature

Answer

Color Coordinate Temperature

Answer

Calibrated Color Tone

Answer

Central Color Transfer

Question 5

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

Accepted Answer

Accent lighting

Answer

Ambient lighting

Answer

Task lighting

Answer

Kinetic lighting

Question 6

What is the recommended illuminance level (in foot-candles) for typical office task lighting per IES standards?

Accepted Answer

50–100 fc

Answer

5–10 fc

Answer

150–200 fc

Answer

200–300 fc