Interior Design Lighting Design & Illumination 2

Question 1

What is glare in lighting design?

Accepted Answer

Excessive brightness that causes visual discomfort or reduces visibility

Answer

Glare occurs when a light source or surface is excessively bright relative to its surroundings, causing discomfort or impairing visual performance.

Question 2

Which lighting control system allows users to program and recall multiple preset lighting configurations with a single button press?

Accepted Answer

Scene controller / preset dimming system

Answer

A scene controller or preset dimming system allows users to save and recall specific lighting scenarios suited for different activities such as dining, entertaining, or working.

Question 3

What type of luminaire distributes light both upward toward the ceiling and downward into the room?

Accepted Answer

Direct/indirect fixture

Answer

A direct/indirect fixture emits light upward (bouncing off the ceiling for ambient glow) and downward (for task illumination), combining both lighting functions.

Question 4

What does the spacing criterion (SC) help determine in a lighting layout?

Accepted Answer

The maximum spacing between luminaires relative to their mounting height

Answer

The spacing criterion (SC) defines the maximum allowable distance between luminaires as a ratio of their mounting height to maintain uniform illumination across a surface.

Question 5

Which ASHRAE standard specifically sets lighting power density (LPD) limits for energy efficiency in commercial buildings?

Accepted Answer

ASHRAE 90.1

Answer

ASHRAE 90.1 (Energy Standard for Buildings Except Low-Rise Residential) establishes lighting power density limits and energy efficiency requirements for commercial buildings.

Interior Design Practice Test

Interior Design Practice Test

Interior Design Lighting Design & Illumination 2