INTRDGN 110 - Ch 1 - Lighting & Lighting Systems

In the United States and Canada, standard voltage, also called line voltage , is generally which of the following?

120 Volts

Replacing incandescent lamps with CFL lamps decreases energy demand and increases the length of life of the lamp. Which of the following statements is most accurate to describe this improvement?

75% and 10x longer

One way to describe the appearance of light is to categorize it by its apparent temperature ( warmth or coolness). This measured on a scale referred as:

Kelvin scale

the phenomenon in which colors under different lighting situations do not appear the same is known as:

Metamerism

A wall-mounted light fixture is specifically called a:

Sconce

A psychological condition in which depression, often accompanied by sleeplessness, occurs as daylight decreases during the fall and winter seasons is known as:

Seasonal Affective Disorder

A technique used to provide a smooth distribution of light over a vertical surface, usually an entire wall, that minimizes the texture of the surface is known as:

Wall washing

Which of the following surfaces would have the highest LRV rating?

White painted ceiling

A type of lighting that is NOT incandescent is:

fluorescent

The type of lighting source that utilizes different gases or vapors to produce different colors is called:

neon