Manufacturing and Production Lean Manufacturing 1 — Questions and Answers
Question 1: What is the primary goal of lean manufacturing?
- Maximize inventory
- Eliminate waste and increase value (Correct answer)
- Increase machine speed
- Hire more workers
Correct answer: Eliminate waste and increase value
Lean manufacturing focuses on eliminating waste (muda) while maximizing value delivered to the customer.
Question 2: Which of the following is NOT one of the 8 wastes in lean manufacturing (TIMWOODS)?
- Transportation
- Inventory
- Profit (Correct answer)
- Defects
Correct answer: Profit
The 8 wastes are Transportation, Inventory, Motion, Waiting, Overproduction, Over-processing, Defects, and Skills (TIMWOODS); profit is not a waste.
Question 3: What does 'Kaizen' mean in the context of lean manufacturing?
- Waste reduction
- Continuous improvement (Correct answer)
- Just-in-time delivery
- Error proofing
Correct answer: Continuous improvement
Kaizen is a Japanese term meaning continuous improvement, involving all employees in small, incremental changes.
Question 4: A Value Stream Map (VSM) is used to:
- Track employee attendance
- Visualize and analyze the flow of materials and information (Correct answer)
- Schedule maintenance
- Calculate machine ROI
Correct answer: Visualize and analyze the flow of materials and information
VSM is a lean tool that visually maps the entire production flow to identify waste and improvement opportunities.
Question 5: What is a 'kanban' system primarily used for?
- Employee performance reviews
- Controlling inventory and production pull signals (Correct answer)
- Machine maintenance scheduling
- Supplier audits
Correct answer: Controlling inventory and production pull signals
Kanban is a visual signaling system that controls the flow of work and inventory using a pull-based approach.
Question 6: What does 'takt time' represent in lean manufacturing?
- Total machine downtime
- The rate at which products must be produced to meet customer demand (Correct answer)
- Changeover time between runs
- Defect detection time
Correct answer: The rate at which products must be produced to meet customer demand
Takt time is calculated as available production time divided by customer demand rate, setting the production pace.
Manufacturing and Production Lean Manufacturing 1
What is the primary goal of lean manufacturing?