Lean Six Sigma Yellow Belt Certification General 3

Question 1

What does the acronym TIMWOOD stand for in Lean?

Accepted Answer

The eight types of waste

Answer

TIMWOOD is a mnemonic for the 8 Lean wastes: Transportation, Inventory, Motion, Waiting, Overproduction, Overprocessing, and Defects.

Question 2

In a Pareto Chart, what percentage of problems are typically caused by a vital few causes?

Accepted Answer

80%

Answer

The Pareto Principle (80/20 rule) states that roughly 80% of effects come from 20% of causes.

Question 3

What is a 'Kaizen Event'?

Accepted Answer

A focused, short-duration team effort to improve a specific process

Answer

A Kaizen Event is a rapid improvement workshop, typically lasting 3–5 days, focused on eliminating waste in a specific area.

Question 4

Which tool is used to visually display the steps in a process and identify where waste occurs?

Accepted Answer

Value Stream Map

Answer

A Value Stream Map (VSM) illustrates material and information flow in a process, highlighting value-added and non-value-added steps.

Question 5

What is 'Takt Time' in Lean manufacturing?

Accepted Answer

The rate at which products must be completed to meet customer demand

Answer

Takt Time is calculated by dividing available production time by customer demand rate, setting the production pace needed.

Lean Six Sigma Yellow Belt Certification Practice Test