CID CID Lighting Design and Technology 2

Question 1

Which lamp type is most energy-efficient and has the longest rated lifespan among modern lighting options?

Accepted Answer

LED

Answer

LED lamps are the most energy-efficient, consuming up to 80% less energy than incandescent bulbs and lasting 25 times longer.

Question 2

What term describes the phenomenon where fluorescent or LED lights rapidly switch on and off, which can cause eye strain and headaches?

Accepted Answer

Flicker

Answer

Flicker refers to rapid, repetitive changes in light output that can cause visual discomfort, fatigue, and headaches in occupants.

Question 3

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

Accepted Answer

2700K

Answer

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

Question 4

What is the purpose of a lighting control system in commercial interior design?

Accepted Answer

To automate, dim, and schedule lighting for efficiency and ambiance

Answer

Lighting control systems allow designers to automate, dim, and schedule lighting, improving energy efficiency and supporting different activity-based lighting scenes.

Question 5

Which lighting technique uses a light source placed behind a translucent panel or architectural element to create an even glowing effect?

Accepted Answer

Backlighting

Answer

Backlighting places a light source behind a translucent material to produce a soft, uniform glow across the surface.

Certified Interior Designer (CID) Practice Test

Certified Interior Designer (CID) Practice Test

CID CID Lighting Design and Technology 2