C3- Artificial Light Sources

Question 1

What are the 3 types of artificial light sources?
1.
2.
3.

Answer 1

1. Incandescent lighting.
2. Discharge lighting.
3. Solid state lighting.

Question 2

Incandescent filaments are used for GLS.
What does GLS stand for?

Answer 2

General Lamp Shade.

Question 3

What are the 2 types of GLS that use incandescent filament?
1.
2.

Answer 3

1. Tungsten filament.
2. Tungsten halogen.

Question 4

What type of artificial light source is used for retail and office spaces?

Answer 4

Fluorescent lighting.

Question 5

Fluorescent lighting is what type of artificial light source?

Answer 5

Discharge lighting.

Question 6

What are 2 characteristics of fluorescent lighting that make them suitable for large spaces:
1.
2.

Answer 6

1. Long lifespan.
2. Wide spread of light.

Question 7

Discharge lighting produces light as a result of a _______________________.

Answer 7

discharge of gas

Question 8

Solid state lighting is a type of lighting where there are no ___________________ (gases) used to produce light.

Answer 8

moving parts

Question 9

What does LED stand for?

Answer 9

Light-emitting diode.

Question 10

LEDs are what type of artificial light source?

Answer 10

Solid-state lighting.

Question 11

LEDs are appropriate for illuminating a car park area because they have a _________________, so they have a _______________ overtime because they are ____________________.

Answer 11

long lifespan
reduced cost
replaced less

Question 12

LEDs do not contain _______________ materials unlike fluorescent lighting which contains ____________.

So during ____________, there are no __________ to the local environment.

Answer 12

hazardous
mercury

disposal
risks