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WorksheetsDVA31064 CH4: Vehicle Lighting System
Total questions: 17
Worksheet time: 8mins
In a basic bulb, one terminal is the centre contact. Where is the other terminal?
Support 1
Support 2
The filament
The cap
What is used to fill a light bulb?
A very small amount of air
Oxygen and Hydrogen
Nitrogen Dioxide
Carbon Dioxide
How many connectors are there on the base of a combined brake and rear light?
1
2
3
4
The table shows four properties of basic bulbs and quartz halogen bulbs. Which property is incorrect?
1
2
3
4
With a parabolic reflector, what shape beam is produced if the lamp filament is at the focus?
Dip beam
Parallel beam
Diverging beam
Converging beam
In order to get a dip beam in a parabolic reflector, where is the filament located?
At the focal point
Below the focal point
Above the focal point
At the side of the focal point
Which of the following is NOT a function of a lens?
Distribute the beam pattern
Protect the bulb
Keep air out of the bulb
Protect the reflector
Which of these will have the lowest power rating?
Side light
Main beam light (or filament)
Dip beam light (or filament)
What do the initials SBC stand for when applied to a light?
Small black connector
Single blue connector
Standard big connector
Small bayonet connector
Why does the bimetallic strip bend when heated?
The effect of gravity on softer metal
The contact plate gets heavier
The top metal expands more than the bottom metal
It is repelled by the top contact plate
What does the flashing rate of an electronic indicator flasher unit depend upon?
The product of C and R
The difference between C and R
The ratio of C/R
The ratio of R/C
What is the international symbol used on a warning button?
An inverted red triangle
A green arrow pointing upwards
A red arrow pointing upwards
An upright red triangle
How many contacts are there on the base of a twin filament light?
1
2
3
4
What is the power, in watts, of a brake light filament?
21
30
35
15
The reverse switch is operated by hydraulic pressure. Is this true or false?
True
False
What is the maximum power, in watts, of an interior festoon light?
10
17
15
21
How many positions can the slide switch for a interior light system be placed in?
1
2
3
4
