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Worksheets7290-457 Lighting L2
Total questions: 10
Worksheet time: 5mins
What is removed in a incandescent lamp?
Filament
Xenon
Air
Halogen
Approximately what temperature emits white light?
230 ° C
2300 ° C
6,000k
2,000 lumens
Why is Quartz used instead of glass with Halogen lamps?
It does not react to the Inert gas
It is stronger and resists higher temperatures
It is cheaper and more abundant
It is finger print resistant
Where would a parabolic reflector, with centre focal point be used?
Spot lamps
Reverse lamps
Brake lamps
Dipped beam
What is unique about a free form reflector lamp
The lens is always plastic
The lens is opaque
The lens has no optical pattern
The lens is alway made from glass
Where do you find Ellipsoidal reflectors?
Projection headlights
Sealed Beam Headlights
Reverse lights
Fog lamps
What is the purpose of the shield in a basic headlight?
To protect bulb from water
To protect reflector from damage
To cut off unwanted light
To reflect light through lens
Why are HID lamps used in headlights?
They are more expensive
They produce more light
They use less power
They are cheaper to produce
Why are lugs fitted to H4 lamps?
To provide adequate Earth
To allow correct beam pattern
To add strength
To ensure correct fitting
Halogen gas is pressurised, Incandescent lamps are vacuum?
True
False
