Lighting & lamps basics

Which of the following is not part of a typical incandescent lamp?

1. light source

2. lamp base

3. ballast

4. lamp enclosure

A lamp with a color temperature of 3800K would be considered:

1. a warm white light

2. a cool white light

3. a “daylight” light

Around what percentage of an incandescent lamps’ power use is converted to heat?

1. 95%

2. 35%

3. 70%

4. 10%

Which lamp type would be most effective in a football stadium?

1. incandescent

2. halogen

3. fluorescent

4. gas discharge

5. led

Of the following, which lamp type has the highest luminous efficacy?

1. incandescent

2. halogen

3. fluorescent

4. led

A ballast is used to regulate the amount of heat produced by a gas discharge lamp.

1. true

2. false

CRI stands for;

1. Color Radiant Illumination

2. color rendering index

3. color reflection intensity

An LED lamp would be a good alternative to a fluorescent tube.

1. true

2. false

While fluorescent lamps have the most pros, this lamp type has the most cons:

1. incandescent

2. halogen

3. fluorescent

4. gas discharge

5. LED

I will never use the word light bulb around electricians and lighting designers

1. true

2. false

illuminance

Luminance

CRI ( Color Rendering Index)

Color Temperature