Lean Bronze Certification Practice Exam

In Lean, what signaling mechanism triggers replenishment in a pull system?

Kanban Andon Jidoka Takt Time

Correct Answer:

Kanban

Explanation:

In a pull system, replenishment is triggered by actual consumption, using Kanban as the signaling mechanism. A Kanban signal—whether a card, a visual bin cue, or another observable marker—moves with the inventory and tells the preceding process to produce or move more stock when the signal is observed. This creates a true pull flow, aligning production with demand and reducing overproduction and waste. Andon signals problems on the line, Jidoka refers to stopping for quality issues and automated fault handling, and Takt Time sets the production pace to meet demand but does not itself trigger replenishment.

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