Master Lean By Doing
Discover Lean principles through real-world exercises designed to deepen your understanding and sharpen your improvement skills. Learn by solving, creating, and experimenting
Discover Lean principles through real-world exercises designed to deepen your understanding and sharpen your improvement skills. Learn by solving, creating, and experimenting
Q1: What is the purpose of the 5 Whys method?
✅ Correct Answer: To identify the root cause of a problem
📌 Asking “Why?” repeatedly helps move past symptoms and surface-level causes toward something actionable that can be improved.
Q2: When should you stop asking “Why?” during the 5 Whys process?
✅ Correct Answer: When you identify a cause that is within your control and can be addressed
📌 The goal is not to reach an arbitrary number or assign blame — it’s to reach the point where you can intervene meaningfully.
Q1: Which of these is a type of waste in Lean?
✅ Correct Answer: Overproduction
📌 Overproduction happens when more is made than needed or before it’s needed — leading to excess inventory, defects, or delay.Q2: “Motion” waste refers to:
✅ Correct Answer: Unnecessary movement of people during a process
📌 This includes walking, reaching, or shifting frequently between tools or workstations — often overlooked but cumulative in cost.
Q1: What is the primary purpose of Value Stream Mapping?
Correct Answer: To visualize a process and identify waste
VSM maps out every step in a process to show how materials and information flow — highlighting delays, inefficiencies, and opportunities to improve.
Q2: Which of the following is least likely to appear on a value stream map?
Q1:
❌ Incorrect Option: “Simplify”
✅ Correct Answer: Sort, Shine, Sustain are all part of 5S — Simplify is not.
Q2:
✅ Correct Answer: “Shine” means clean the workspace and inspect for problems.