7290-457 SRS

Why do most accidents occur?

• Mechanical failure

• Poor weather conditions

• Driver error

• Electrical failure

What is the purpose of a seat belt retractor?

• To keep the seat belt under slight tension

• To lock the seat belt in position

• To lock the seat belt buckle in position

• To allow the seat belt to move when required

What is component pictured?

• Control module

• Clock spring

• Clock work

• Steering pre-tensioner

How long, in milliseconds, does it typically take for an airbag to inflate?

• 50 milliseconds

• 50 microseconds

• 150 miliseconds

• 150 microseconds

Why is an un-deployed airbag dangerous?

• It can collapse suddenly

• The gas can escape

• It can release dangerous fumes

• It can expand suddenly

What happens to an air bag immediately after it is fully inflated?

• It explodes gently

• Air reacts with the nitrogen causing nitrogen dioxide

• It starts to deflate

• It detaches from its container

What is the minimum number of sensors that must be triggered for an air bag to deploy?

• 1

• 4

• 3

• 2

Special protection is required when dealing with live airbags. Which of these is NOT required?

• Safety glasses or goggles

• Body armour

• Latex Gloves

• Grounding strap

What is the warning light shown?

• Airbag fault

• Airbag test

• Airbag deployed

• Airbag deactivated

Which statement is true in a severe front end accident?

• Driver hits the bag and the pre-tensioner releases

• Impact identified and pre-tensioner ignition

• Airbag is inflated and the pre-tensioning is complete

• Airbag starts to inflate and pre-tensioner moving