Lean Six Sigma Green Belt Certification Lean Six Sigma Green Belt Core Lean Principles Questions and Answers 2 — Questions and Answers
Question 1: Which Lean principle focuses on ensuring that every step in a process adds something the customer is willing to pay for?
- Value (Correct answer)
- Flow
- Pull
- Perfection
Correct answer: Value
The Value principle requires defining what the customer considers valuable and eliminating activities that do not contribute to that value.
Question 2: In Lean methodology, which type of waste refers to producing more than what is currently needed by the downstream process?
- Overprocessing
- Transportation
- Overproduction (Correct answer)
- Waiting
Correct answer: Overproduction
Overproduction is considered the most serious waste in Lean because it triggers many of the other six wastes.
Question 3: What does a Kaizen event typically involve?
- A long-term strategic planning session lasting several months
- A focused, short-duration improvement activity targeting a specific process (Correct answer)
- An annual review of all company financial metrics
- A software implementation cycle for ERP systems
Correct answer: A focused, short-duration improvement activity targeting a specific process
A Kaizen event is a concentrated, typically week-long effort where a cross-functional team works to rapidly improve a specific process.
Question 4: Which Lean tool uses a visual board with columns such as To Do, In Progress, and Done to manage workflow?
- Value Stream Map
- Kanban board (Correct answer)
- Pareto chart
- SIPOC diagram
Correct answer: Kanban board
A Kanban board provides real-time visual management of work items as they move through defined process stages.
Question 5: What is the primary purpose of a gemba walk in Lean practice?
- To audit employee attendance records
- To observe the actual work process where value is created (Correct answer)
- To review monthly financial statements with leadership
- To conduct formal employee performance evaluations
Correct answer: To observe the actual work process where value is created
A gemba walk involves leaders going to the actual workplace to observe processes, engage with workers, and identify improvement opportunities firsthand.
Question 6: Which of the following best describes the Lean concept of 'pull' production?
- Manufacturing products based on long-range demand forecasts
- Producing items only when a downstream process signals a need (Correct answer)
- Pushing maximum output through every workstation continuously
- Scheduling production based solely on machine availability
Correct answer: Producing items only when a downstream process signals a need
Pull production means work is initiated only by actual downstream demand, reducing overproduction and excess inventory.
Lean Six Sigma Green Belt Certification Lean Six Sigma Green Belt Core Lean Principles Questions and Answers 2
Which Lean principle focuses on ensuring that every step in a process adds something the customer is willing to pay for?