Lean Six Sigma Yellow Belt Certification Lean Concepts and Waste 2

Question 1

A hospital notices nurses walk long distances to retrieve supplies stored in a central location. Which type of waste does this represent?

Accepted Answer

Motion

Answer

Motion waste refers to unnecessary movement of people that does not add value to the product or service.

Question 2

In Lean thinking, which of the following best describes 'value' from the customer's perspective?

Accepted Answer

A feature or service the customer is willing to pay for

Answer

Value is defined as any feature, function, or service that the customer is willing to pay for.

Question 3

Which of the eight wastes is specifically associated with failing to use employees' knowledge, skills, and creativity?

Accepted Answer

Non-utilized talent

Answer

Non-utilized talent (also called unused creativity) is the eighth waste added to the original Toyota seven wastes.

Question 4

A batch of parts sits in a queue between two manufacturing steps for three days. This is an example of which waste?

Accepted Answer

Waiting

Answer

Waiting waste occurs when work-in-process sits idle between process steps, consuming time without adding value.

Question 5

What does the Japanese term 'Mura' refer to in the Lean waste framework?

Accepted Answer

Unevenness or variability in workflow

Answer

Mura means unevenness or variability in production flow, which leads to inefficiency and is one of three broader waste categories.

Lean Six Sigma Yellow Belt Certification Practice Test