CMS Process Engineering & Optimization 2

Question 1

Which technique uses a fishbone diagram to identify root causes of a process defect?

Accepted Answer

Ishikawa (Cause-and-Effect) Analysis

Answer

The Ishikawa (fishbone) diagram visually maps categories of potential causes leading to a specific defect or problem.

Question 2

In process optimization, what does OEE stand for?

Accepted Answer

Overall Equipment Effectiveness

Answer

OEE (Overall Equipment Effectiveness) measures availability, performance, and quality to assess manufacturing productivity.

Question 3

A manufacturing plant reduces changeover time from 4 hours to 45 minutes using SMED. What does SMED stand for?

Accepted Answer

Single-Minute Exchange of Die

Answer

SMED (Single-Minute Exchange of Die) is a lean technique aimed at reducing setup and changeover times to under 10 minutes.

Question 4

Which process improvement model follows the sequence Define, Measure, Analyze, Improve, Control?

Accepted Answer

DMAIC

Answer

DMAIC is the core Six Sigma problem-solving framework used to improve existing processes systematically.

Question 5

What is the purpose of a Process Capability Index (Cpk)?

Accepted Answer

Quantify how well a process fits within specification limits

Answer

Cpk measures how centered and spread out a process is relative to its upper and lower specification limits.

(CMS) Certified Manufacturing Specialist Practice Test