Lighting

Question 1

What are the three lighting types

Answer 1

Incandescent lighting
Discharge lighting
LED lighting

Question 2

What are the types of incandescent light? Where are they used?

Answer 2

Tungsten filament lamp - homes
Tungsten halogen lamp

Question 3

What are the different discharge lights? Where are they used l?

Answer 3

Low pressure Mercury - general offices
High pressure Mercury - factoris, car parks Street lights
Metal halide - sports arenas

Question 4

Where can LED lights be used?

Answer 4

Can be used in most areas, decorative lighting
It doesn’t give off UV

Question 5

What is the equation to work out luminous flux?

Answer 5

F= E x A / CU x MF

Question 6

What lighting shouldn’t be used around fast rotating machinery? And why?

Answer 6

Discharge lights as they cause strobeascopic effect