Fundamentals of Repair

Question 1

What is the benefit of a plastic region bolt?

Answer 1

It increases consistency of axial tension across a load.

Question 2

What pressure should a workshop press call for concern?

Answer 2

100kgf

Question 3

What should you do after using a parts cleaner?

Answer 3

Dry parts thoroughly with compressed air or rags.

Question 4

How do you measure “angularity”?

Answer 4

Put a try square next to the part being measured, and have a feeler gauge in between the part and the try square as the part is rotated 360 degrees.

Question 5

What is strain inspection?

Answer 5

When you use a straightedge and a feeler gauge against a flat surface like a cylinder head to look for an uneven surface.

Question 6

What is backlash?

Answer 6

The distance between the teeth of two gears, such as on differential gears.

Question 7

What is preload?

Answer 7

Preload is a specific amount of applied load on a bearing used to eliminate axial movement between roller surfaces and bearing races.

Question 8

What speed do you need to be travelling for an airbag to deploy?

Answer 8

Approximately at least 20-25km/h