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

5,000–6,500K (daylight)

Answer

3,500–4,100K (cool white)

Answer

6,500K+ (bright blue-white)

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

Recessed downlights installed in a grid pattern across a ceiling

Answer

Track lighting aimed at multiple artwork pieces along a gallery wall

Answer

Under-cabinet strip lighting used for kitchen prep areas

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

They extend the lifespan of fluorescent tube fixtures significantly

Answer

They automatically adjust light color temperature throughout the day

Answer

They reduce the number of fixtures needed in a room

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 always produces a higher lumen output than surface fixtures

Answer

Recessed fixtures are always less expensive to install than surface-mounted options

Answer

They provide better color rendering than pendant or chandelier fixtures

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

Warm ambient light only with no task supplementation

Answer

Accent lighting focused on wall art with minimal overhead illumination

Answer

A single high-wattage ceiling fixture with no supplemental sources

Question 6

What role does a lighting plan play during the design development phase of a decorating project?

Accepted Answer

It documents fixture types, placement, switching zones, and dimming to coordinate with the overall design concept

Answer

It is used only by electricians and is not part of the decorator's scope

Answer

It is solely used to calculate the project's electrical budget

Answer

It replaces the need for a floor plan once the furniture layout is finalized

Question 7

Which of the following is an example of indirect lighting?

Accepted Answer

A torchière lamp that directs light upward toward the ceiling for diffused reflection

Answer

A downlight recessed into the ceiling aimed at a dining table

Answer

A reading lamp with a focused beam angled at a book

Answer

A picture light mounted above a painting to illuminate it directly