Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Lean Concepts and Waste Questions and Answers 2 — Questions and Answers
Question 1: Which of the seven wastes refers to producing more than the customer currently demands?
- Overproduction (Correct answer)
- Overprocessing
- Inventory
- Motion
Correct answer: Overproduction
Overproduction means making more product than is needed, which ties up resources and creates excess inventory.
Question 2: In a Lean environment, what is the primary purpose of a Kanban system?
- To signal when more work or materials are needed (Correct answer)
- To track employee performance
- To schedule preventive maintenance
- To document quality defects
Correct answer: To signal when more work or materials are needed
Kanban is a pull-based signaling system that triggers replenishment only when downstream processes consume inventory.
Question 3: What does the Japanese term 'Gemba' mean in Lean methodology?
- The actual place where work is done (Correct answer)
- A type of waste
- A quality inspection tool
- A continuous improvement event
Correct answer: The actual place where work is done
Gemba translates to 'the real place' and refers to going to where value-creating work actually happens.
Question 4: Which waste category includes unnecessary movement of products between processing steps?
- Transportation (Correct answer)
- Motion
- Waiting
- Defects
Correct answer: Transportation
Transportation waste involves the unnecessary movement of materials or products that adds no value for the customer.
Question 5: What is the concept of 'Takt Time' used for in Lean manufacturing?
- To set the pace of production to match customer demand (Correct answer)
- To measure machine downtime
- To calculate employee overtime
- To determine batch sizes
Correct answer: To set the pace of production to match customer demand
Takt time is calculated by dividing available production time by customer demand to synchronize output with consumption.
Question 6: Which Lean principle focuses on empowering frontline workers to stop production when a defect is detected?
- Jidoka (Correct answer)
- Kaizen
- Poka-yoke
- Heijunka
Correct answer: Jidoka
Jidoka, or autonomation, gives workers the authority and responsibility to halt the process immediately when an abnormality is found.
Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Lean Concepts and Waste Questions and Answers 2
Which of the seven wastes refers to producing more than the customer currently demands?