11. Lighting Flashcards

1
Q

What are the 3 main types of lamps

A

Incandescent Lamps

Discharge lamps

LED lamps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Tungsten Filament lamps

  • Type
  • Properties
  • Light colour
A

Tungsten Filament lamps (GLS)
- Incandescent lamps
- Have poor efficacy
- Clear white light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Tungsten Halogen Lamps

  • Type
  • Properties
  • Light colour
A
  • Incandescent
  • Longer life as the halogen stops the evaporated tungsten from darkening the bulb.
  • Clear white light
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Low Pressure Mercury

  • Type
  • Properties
  • Light colour
A
  • Discharge
  • Known as fluorescent lighting.
  • Produces a yellowish light
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

High Pressure Mercury

  • Type
  • Properties
  • Light colour
A
  • Discharge
  • Good colour. correction, meaning its good for CCTV applications
  • Produce a near white light with a blue tinge.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Metal Halide

  • Type
  • Properties
  • Light colour
A
  • Discharge
  • Takes a while to reach good full brightness.
  • Will not restart until the pressure in the lamp has fallen.
  • Best colour rendering and efficacy.
  • Produces a bright white light.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

LED

  • Type
  • Properties
  • Light colour
A
  • LED
  • A P-N junction diode which emits light when energized.
  • Can emit many colours. Emit white by combining RGB.
  • Can be used around heat or UV sensitive material as they run cool and dont emit UV.
  • 6x as efficient as incandescent and last 20,000 plus hours.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Applications of LEDs.

A
  • Indication lights on devices.
  • Decorative lighting.
  • Signs.
  • Small and large lamps
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Metal halide lamp applications

A
  • Stadiums
  • Photography
  • Sports arenas
  • Security lighting
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

High pressure mercury lamp applications

A
  • Factory lighting
  • Car park lighting
  • Street lighting
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Low pressure mercury lamp applications

A
  • General offices
  • Domestic premises
  • Shops
  • Garages/workshops
How well did you know this?
1
Not at all
2
3
4
5
Perfectly