WorksheetsLights
Total questions: 15
Worksheet time: 8mins
Which of the following is NOT true about LEDs?
LEDs have a shorter operating life than conventional bulbs
LEDs can produce a brighter light than conventional bulbs
LEDs can operate quicker than conventional bulbs
LEDs are vibration resistant
What does DRL stand for?
Daylight running lamps
Daytime running lights
Digital resonance lighting
Digital running lighting
What sensor is used for automatic headlight systems?
Thermistor
Photo cell
Inductive
Hall effect
How many brushes does a two-speed wiper motor have?
1
2
3
4
Where is the reverse light switch normally mounted?
Instrument panel
Transmission
Brake pedal arm
None of the above
Where is the stoplight switch normally mounted?
Instrument panel
Transmission
Brake pedal arm
None of the above
What is an important precaution to take when installing a halogen light bulb?
Do not touch the glass
Be sure to turn the lights on before installing the bulb
Drop the bulb on the floor 3 times to durability test it before installing it
The bulb can generate high voltage when sitting on a bench, so install it as fast as possible
How can you determine if a wiper fault is internal to the motor or in the linkage?
Replace both
It is impossible to determine, so replace the motor first as it is more likely
Disconnect the motor and try to move the linkage, then turn the motor on and see if it moves
After replacing a headlight housing on an older car with conventional headlight bulbs, what is the next step?
Program the car's BCM
Road test after dark to ensure the lights work
Replace the taillight bulbs as they are the same age and will fail soon
Aim the headlights
Rain sensitive wipers typically use:
A moisture sensor located in the front bumper
An infrared sensor located near the rear view mirror
A rain collection cup with a float and contact switch
Rain sensitive wipers don't exist, but may be invented in the future
An important precaution with HID lights is:
Ensure that the system is deenergized because it uses 25000 volts to ignite
Do not touch the headlight lens
Ensure the system is energized and switched on before unplugging or plugging in components
LED headlights:
Draw more current than other types of lights
Provide a brighter beam than most other types of lights
Have a short service life compared to regular bulbs
Are very cheap to repair/replace
From 1948 to 1983, what type of light did every north american vehicle use?
HID
LED
Halogen
Sealed Beam
HID headlights typically use what to provide low and high beam?
Dual HID lights
A dual filament HID bulb
Sealed beam lights
An electric shutter
All Canadian vehicles since 1990 are equipped with:
DRL
HID
LED
Sealed Beam
