DMD Quality Management & Control 3

Question 1

Which ISO standard is most relevant to quality management systems in manufacturing?

Accepted Answer

ISO 9001

Answer

ISO 9001 sets the international criteria for quality management systems, focusing on customer satisfaction and continuous improvement.

Question 2

What is 'poka-yoke' in the context of manufacturing quality?

Accepted Answer

A mistake-proofing technique that prevents errors from occurring or makes them immediately obvious

Answer

Poka-yoke (mistake-proofing) uses design features or mechanisms that prevent errors from happening or alert operators immediately when one occurs.

Question 3

In the context of digital quality management, what is a 'digital twin' primarily used for?

Accepted Answer

Simulating and monitoring a physical asset or process in real time using a virtual model

Answer

A digital twin is a virtual replica of a physical product or process that uses real-time data to simulate performance and predict quality issues.

Question 4

What does 'First Pass Yield' (FPY) measure in manufacturing quality?

Accepted Answer

The percentage of units that complete a process correctly without rework or repair

Answer

FPY measures the proportion of units that pass through all process steps without requiring rework, scrap, or retest.

Question 5

Which chart is best suited for monitoring the proportion of defective units in a manufacturing process?

Accepted Answer

p-chart

Answer

The p-chart (proportion chart) tracks the fraction of nonconforming units in a sample and is used when defect counts are attribute data.

DMD - Digital Manufacturing and Design Technology Certification Practice Test