CDG Quality Control & Process Improvement

Question 1

What distinguishes quality assurance from quality control in Certified Diamond Grader practice?

Accepted Answer

QA prevents defects through process design while QC detects defects through inspection

Answer

They are identical concepts

Answer

QC is more important than QA

Answer

QA applies only to manufacturing settings

Question 2

Which method is commonly used for root cause analysis in CDG quality management?

Accepted Answer

The Five Whys technique or fishbone diagram for systematic investigation

Answer

Random brainstorming only

Answer

Blaming the most recent change

Answer

Customer complaint counting

Question 3

What is a corrective action in Certified Diamond Grader quality systems?

Accepted Answer

A systematic response to eliminate causes of nonconformity and prevent recurrence

Answer

Punishing individuals for errors

Answer

Ignoring minor quality deviations

Answer

Implementing only temporary fixes

Question 4

How do CDG professionals establish measurable quality objectives?

Accepted Answer

Defining specific, measurable, achievable, relevant, and time-bound targets

Answer

Using vague aspirational goals

Answer

Comparing only to competitors

Answer

Through subjective assessment alone

Question 5

What is the Plan-Do-Check-Act (PDCA) cycle in quality management?

Accepted Answer

A continuous improvement methodology with iterative planning, execution, evaluation, and refinement

Answer

A one-time improvement project

Answer

A quality inspection checklist

Answer

A staff performance review process

Question 6

How does benchmarking support quality improvement in Certified Diamond Grader practice?

Accepted Answer

It identifies best practices by comparing performance against industry leaders or standards

Answer

It creates unnecessary competition

Answer

It applies only to financial metrics

Answer

It replaces internal quality audits