DMD Quality Management & Control

Question 1

Which quality management framework is most commonly referenced in US digital manufacturing certifications for process improvement?

Accepted Answer

Six Sigma

Answer

Six Sigma is the most widely referenced framework in US digital manufacturing for structured, data-driven process improvement.

Question 2

What does SPC stand for in digital manufacturing quality control?

Accepted Answer

Statistical Process Control

Answer

SPC (Statistical Process Control) uses statistical methods to monitor and control manufacturing processes in real time.

Question 3

Which tool is used to identify the root cause of a manufacturing defect through a visual diagram of cause categories?

Accepted Answer

Ishikawa (fishbone) diagram

Answer

The Ishikawa (fishbone) diagram organizes potential causes into categories (Man, Machine, Method, Material, etc.) to identify root causes.

Question 4

In a control chart, what does a data point outside the Upper Control Limit (UCL) indicate?

Accepted Answer

An out-of-control process

Answer

A point outside the UCL signals that the process has shifted or is experiencing special-cause variation requiring investigation.

Question 5

What is the primary purpose of a Measurement System Analysis (MSA) in digital manufacturing?

Accepted Answer

To evaluate the accuracy and repeatability of measurement instruments

Answer

MSA assesses whether a measurement system has sufficient accuracy, repeatability, and reproducibility to reliably capture process data.

DMD - Digital Manufacturing and Design Technology Certification Practice Test