Manufacturing and Production Six Sigma and Process Improvement

Question 1

What does DMAIC stand for in Six Sigma?

Accepted Answer

Define, Measure, Analyze, Improve, Control

Answer

DMAIC is the structured Six Sigma problem-solving methodology: Define, Measure, Analyze, Improve, Control.

Question 2

A Six Sigma process has a defect rate of approximately:

Accepted Answer

3.4 defects per million opportunities

Answer

Six Sigma quality corresponds to no more than 3.4 defects per million opportunities (DPMO), representing near-perfect quality.

Question 3

In Six Sigma, what is a 'Black Belt'?

Accepted Answer

A full-time Six Sigma practitioner trained to lead improvement projects

Answer

Black Belts are certified Six Sigma experts who lead complex improvement projects and mentor Green Belts.

Question 4

What is the purpose of a process capability study?

Accepted Answer

Assess how well a process meets specification requirements statistically

Answer

A process capability study uses Cp, Cpk, and related indices to quantify the ability of a process to produce within specifications.

Question 5

In the Measure phase of DMAIC, the primary goal is to:

Accepted Answer

Establish a baseline performance measurement for the process

Answer

The Measure phase quantifies current process performance to establish a data-driven baseline before analysis begins.

Manufacturing and Production Practice Test