# Tolerance

Tolerance defines the range of values in which a measurement is acceptable.

Before doing this section you should revise the National 4 Lifeskills Maths section on Tolerance.

### Example

A part is to be produced for a TV set. It is intended to be long.

The part has tolerance

This means that the largest acceptable size for the part is

The smallest acceptable size for the part is

Question

A part for a washing machine is to be made to the length specification .

The constructed part is . Is it acceptable?

Largest acceptable size is

Smallest acceptable size is

As is between these limits then the part is acceptable.