CJD Lighting Design & Application 2

Question 1

A decorator is specifying bulbs for a bedroom to promote relaxation. Which color temperature range is most appropriate?

Accepted Answer

2,700–3,000K (warm white)

Answer

Warm white bulbs in the 2,700–3,000K range emit a soft, yellow-toned light that mimics candlelight, supporting relaxation and a cozy ambiance ideal for bedrooms.

Question 2

What is cove lighting and where is it most effectively used?

Accepted Answer

Indirect light built into a ledge or recess to wash the ceiling or walls with a soft glow

Answer

Cove lighting is indirect illumination concealed in a ledge, recess, or valance that directs light upward or across a surface, creating a soft, diffused glow that adds architectural interest and perceived height.

Question 3

Why are dimmer switches considered an important design tool in residential decorating?

Accepted Answer

They allow light levels to be adjusted to suit different activities, moods, and times of day

Answer

Dimmer switches give occupants the ability to transition the same space between bright task-oriented settings and subdued ambient environments, making the lighting scheme highly flexible and versatile.

Question 4

What is the primary decorating advantage of recessed (can) lighting compared to surface-mounted fixtures?

Accepted Answer

It creates a clean, unobtrusive ceiling plane that does not compete with the room's design elements

Answer

Recessed lighting sits flush with the ceiling, keeping the overhead plane visually clean and allowing the room's furnishings, art, and architectural features to remain the focal points rather than the fixtures themselves.

Question 5

When specifying lighting for a home office, which combination is most effective for decorator best practices?

Accepted Answer

Cooler ambient light (3,500–4,000K) combined with adjustable task lighting at the work surface

Answer

A home office benefits from cooler ambient light that supports alertness and concentration, supplemented by adjustable task lighting to reduce eye strain at the desk without relying on a single overhead source.

CJD - Certified Journey Decorator Practice Test

CJD - Certified Journey Decorator Practice Test

CJD Lighting Design & Application 2