Lean Six Sigma Green Belt Certification Lean Principles and Waste 4

Question 1

A software development team keeps a backlog of hundreds of features coded but not yet released to users. Which waste does this represent?

Accepted Answer

Inventory

Answer

Unreleased software features are analogous to inventory waste — work-in-process that is not yet delivering value to the customer.

Question 2

According to Lean thinking, which of the following actions best represents 'identifying value' from a customer's perspective?

Accepted Answer

Determining which product features the customer is willing to pay for

Answer

Identifying value means understanding what the customer is willing to pay for — only those features or outcomes define true value in Lean.

Question 3

Which waste type is added in the 'extended' 8-waste model that is NOT part of the original 7 wastes of Lean?

Accepted Answer

Non-utilized talent

Answer

The 8th waste — non-utilized talent (skills) — was added to the original 7 Toyota Production System wastes to address underuse of employee knowledge and creativity.

Question 4

A printer applies three coats of paint when the customer specification requires only one. This is an example of which waste?

Accepted Answer

Over-processing

Answer

Over-processing waste occurs when more work, effort, or quality is applied to a product than the customer requires or values.

Question 5

In Lean, which Japanese term refers to the actual workplace or 'place where value is created'?

Accepted Answer

Gemba

Answer

Gemba means 'the real place' in Japanese and refers to the location where actual work and value creation occur, such as a factory floor or service counter.

Lean Six Sigma Green Belt Certification Practice Test

Lean Six Sigma Green Belt Certification Practice Test

Lean Six Sigma Green Belt Certification Lean Principles and Waste 4