PCB Quality Control & Assurance

Question 1

What distinguishes quality assurance from quality control in Design practice?

Accepted Answer

QA focuses on preventing defects through process improvement while QC detects defects through inspection

Answer

They are identical concepts

Answer

QC is more important than QA

Answer

QA applies only to manufacturing

Question 2

Which tool is commonly used for root cause analysis in PCB quality management?

Accepted Answer

Fishbone (Ishikawa) diagram to identify contributing factors systematically

Answer

Random sampling

Answer

Profit analysis

Answer

Customer surveys only

Question 3

What is a corrective action in Design quality systems?

Accepted Answer

A systematic response to eliminate the cause of a detected nonconformity and prevent recurrence

Answer

Blaming individuals for errors

Answer

Ignoring minor issues

Answer

Temporary workarounds only

Question 4

How do PCB professionals establish measurable quality objectives?

Accepted Answer

By defining specific, measurable, achievable, relevant, and time-bound quality targets

Answer

Using vague goals

Answer

By comparing to competitors only

Answer

Through subjective assessment

Question 5

What is the purpose of a quality audit in Design practice?

Accepted Answer

To systematically evaluate processes against standards and identify improvement opportunities

Answer

To find fault with employees

Answer

To reduce staffing

Answer

To satisfy external requirements only

Question 6

How does continuous improvement apply to PCB quality management?

Accepted Answer

It involves ongoing incremental enhancements to processes based on data and feedback

Answer

It means constant major changes

Answer

It is a one-time initiative

Answer

It applies only to products