Lean Manufacturing Principles & Concepts — Questions and Answers
Question 1: What is the main goal of Lean Manufacturing?
- Increase inventory
- Add complexity to processes
- Eliminate waste and create value (Correct answer)
- Lengthen production cycles
Correct answer: Eliminate waste and create value
Lean Manufacturing aims to maximize value for the customer while minimizing waste within manufacturing processes.
Question 2: Which of the following is considered a type of waste in Lean?
- Process optimization
- Overproduction (Correct answer)
- Team communication
- Standard work
Correct answer: Overproduction
Overproduction is one of the seven wastes identified in Lean, leading to excess inventory and unnecessary costs.
Question 3: What does the term 'Kaizen' refer to in Lean?
- A statistical control chart
- A type of product inspection
- Continuous improvement (Correct answer)
- Employee turnover
Correct answer: Continuous improvement
Kaizen is a philosophy of continuous, incremental improvement involving everyone in the organization.
Question 4: Which Lean tool is used to identify and eliminate process bottlenecks?
- Scatter plot analysis
- Value Stream Mapping (Correct answer)
- Employee satisfaction surveys
- Product life cycle analysis
Correct answer: Value Stream Mapping
Value Stream Mapping is a Lean tool used to visualize the flow of materials and information to find inefficiencies.
Question 5: What is the concept of 'Just-In-Time' (JIT) in Lean?
- Producing in bulk to reduce cost
- Shipping at the end of the quarter
- Receiving or producing only when needed (Correct answer)
- Delaying materials to save space
Correct answer: Receiving or producing only when needed
JIT is a Lean approach that reduces inventory and increases efficiency by receiving goods only as needed in the production process.
Question 6: Which of the following best describes the 5S methodology?
- A method for auditing financial statements
- A supplier scoring system
- A Lean workplace organization strategy (Correct answer)
- A performance bonus policy
Correct answer: A Lean workplace organization strategy
5S stands for Sort, Set in order, Shine, Standardize, and Sustain — a workplace organization method central to Lean.
What is the main goal of Lean Manufacturing?