Lean Six Sigma Black Belt Certification Lean Six Sigma Black Belt Lean Enterprise Principles 1

Question 1

What is the primary purpose of Heijunka in a Lean enterprise?

Accepted Answer

To level production volume and mix evenly over a given time period

Answer

Heijunka is a production-leveling technique that distributes volume and product variety evenly across a time period, preventing overburden (muri) and unevenness (mura) that lead to waste and quality problems.

Question 2

How is takt time calculated in a Lean enterprise?

Accepted Answer

Available production time divided by the rate of customer demand

Answer

Takt time equals available production time divided by customer demand rate. It sets the pace at which products must be completed to satisfy demand without overproducing or under-producing.

Question 3

Which Lean principle gives both machines and workers the authority and ability to detect an abnormality and halt production immediately?

Accepted Answer

Jidoka

Answer

Jidoka, sometimes called 'autonomation,' builds quality into the process by enabling automatic detection of defects and immediate line stoppage, preventing defective items from moving downstream.

Question 4

Which of the following is NOT one of the eight categories of waste (Muda) recognized in Lean enterprise?

Accepted Answer

Innovation

Answer

The eight Lean wastes are commonly remembered with the acronym DOWNTIME: Defects, Overproduction, Waiting, Non-utilized talent, Transportation, Inventory, Motion, and Extra processing. Innovation is a value-creating activity, not a waste.

Question 5

What is the primary role of Standard Work in a Lean enterprise?

Accepted Answer

To document the current best-known method as a stable baseline for continuous improvement

Answer

Standard Work establishes a documented, repeatable baseline for the best current method. This baseline enables teams to identify deviations, measure improvement, and sustain gains — it is the foundation upon which kaizen is built.

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Lean Six Sigma Black Belt Lean Enterprise Principles 1