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

Quality assurance is proactive (preventing defects) while quality control is reactive (detecting defects), and both are essential in Certified Diamond Grader practice.

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

Structured root cause analysis methods like Five Whys and fishbone diagrams systematically trace problems to their fundamental causes rather than symptoms.

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

Corrective actions address root causes of quality issues to prevent recurrence, going beyond temporary fixes to create lasting improvement.

Question 4

How do CDG professionals establish measurable quality objectives?

Accepted Answer

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

Answer

Quality objectives in CDG practice follow SMART criteria to ensure they can be tracked, achieved, and meaningfully evaluated.

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

PDCA is a cyclical methodology where improvements are planned, implemented, evaluated, and refined in an ongoing loop of continuous improvement.

(CDG) Certified Diamond Grader Practice Test

(CDG) Certified Diamond Grader Practice Test

CDG Quality Control & Process Improvement