Control and Management

Question 1

What are the purposes of inspection?

Answer 1

To distinguish good from bad lots
To determine if a process is changing
To measure the precision of measuring instruments
To (overall) measure process capability

Question 2

What are the stages of inspection?

Answer 2

Inspection of incoming materials (aka receiving inspection)
Inspection of the production process
Inspection of finished goods

Question 3

What are the 2 types of inspection?

Answer 3

100% sampling
SPC (Statistical Process Control)

Question 4

What is 100% sampling?

Answer 4

Testing every product made (done with custom and high quality products (i.e. medical))

Question 5

What is SPC?

Answer 5

Statistical Process Control is sampling every product out of a certain number (i.e. every 1 in 100)

Question 6

What is a control chart?

Answer 6

An SPC method showing how sample values vary over time

Question 7

What is process capability?

Answer 7

A statistical measure of repeatability and consistency of a manufacturing process relative to customer requirements

Question 8

What does six sigma/DMAIC do? What are its benefits?

Answer 8

Reduces defects of any kind in a process
Reduces time, defects and variations in a process