Certified Six Sigma Black Belt Lean Enterprise Concepts Questions and Answers Flashcards
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In a Lean enterprise, what does 'pull system' mean?
Answer: Production is initiated only in response to actual customer demand
A pull system produces only what is needed, when it is needed, based on downstream demand signals rather than forecasts.
What is the purpose of a poka-yoke device in Lean operations?
Answer: To mistake-proof a process and prevent defects from occurring
Poka-yoke devices are error-proofing mechanisms designed to make it impossible or immediately obvious when a mistake occurs.
How is takt time calculated in a Lean environment?
Answer: Available production time divided by customer demand
Takt time equals available production time divided by customer demand, setting the pace at which products must be completed.
Which of the following is NOT one of the eight wastes commonly recognized in Lean?
Answer: Innovation
Innovation is a value-adding activity, not a waste; the eight wastes include overproduction, waiting, transport, overprocessing, inventory, motion, defects, and unused talent.
What does hoshin kanri achieve in a Lean enterprise?
Answer: It aligns strategic goals with tactical execution through policy deployment
Hoshin kanri is a strategic planning method that cascades organizational objectives into actionable plans at every level.
What is the significance of standard work in sustaining Lean improvements?
Answer: It documents the current best practice to ensure consistency and serve as a baseline for further improvement
Standard work captures the most efficient method currently known, providing stability and a foundation for continuous improvement.