Overproduction, scrap, waiting, and excess motion are all forms of:

Question

Options

• ATPM
• BMuda
• CKanban
• DCFM

• A
  7% (3)
• B
  88% (37)
• C
  2% (1)
• D
  2% (1)

Explanation

Muda is the Japanese lean manufacturing term for "waste," and it encompasses the seven classic categories of non-value-adding activities - including overproduction, defects (scrap), waiting, and unnecessary motion. Identifying and eliminating muda is a core principle of the Toyota Production System and lean thinking.

Why the distractors are wrong:

• A. TPM (Total Productive Maintenance) is a strategy focused on maximizing equipment effectiveness and reducing machine downtime - not a classification of waste types.
• C. Kanban is a visual scheduling and pull-system tool used to regulate workflow and inventory - a method to reduce waste, not a name for waste itself.
• D. CFM (Continuous Flow Manufacturing) refers to producing items one at a time in a steady stream rather than in batches - again a technique, not a waste category.

Memory tip: Think of muda as "mud" - waste is the mud that clogs up your process. The eight wastes are often remembered with the acronym DOWNTIME: Defects, Overproduction, Waiting, Non-utilized talent, Transportation, Inventory, Motion, Extra-processing.

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