Lean Six Sigma Green Belt Certification Core Lean Principles 3

Question 1

What is the key distinction between 'transportation' waste and 'motion' waste in the 8 wastes framework?

Accepted Answer

Transportation involves materials moving; motion involves people moving

Answer

Transportation waste is the unnecessary movement of materials or products, while motion waste is the unnecessary movement of people or equipment operators.

Question 2

A Lean team maps a process and finds that 70% of cycle time is spent on activities the customer would not pay for. What category does this majority fall under?

Accepted Answer

Pure waste (muda)

Answer

Activities that consume time and resources but do not transform the product in a way the customer values are pure waste and are primary targets for elimination.

Question 3

Which Lean tool uses a card system to authorize production or replenishment based on actual consumption?

Accepted Answer

Kanban

Answer

Kanban uses physical or electronic signals to trigger production or delivery only when downstream consumption occurs, embodying the pull principle.

Question 4

What is the Lean term for any activity that consumes resources but creates no value for the customer?

Accepted Answer

Muda

Answer

Muda is the Japanese term for waste — any activity that uses time, money, or resources without adding value from the customer's perspective.

Question 5

In the context of the 5 Lean principles, what does 'perfection' mean?

Accepted Answer

Pursuing continuous improvement relentlessly as an ongoing journey

Answer

Perfection in Lean means continuously striving to improve, recognizing that waste elimination and value enhancement are never truly finished.

Lean Six Sigma Green Belt Certification Practice Test

Lean Six Sigma Green Belt Certification Practice Test

Lean Six Sigma Green Belt Certification Core Lean Principles 3