Certified Maintenance & Reliability Professional (CMRP) Practice Exam

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Which of the following is NOT one of the three types of waste defined in lean TPS?

Muri - Overburden
Mura - Variation
Muda - Non-value-added work
Mocha - Excessive coffee consumption

The correct answer is: Mocha - Excessive coffee consumption

The correct response indicates that "Mocha - Excessive coffee consumption" is not one of the recognized types of waste within the Lean Toyota Production System (TPS). In Lean methodology, the three primary types of waste are categorized as Muri, Mura, and Muda. Muri refers to overburdening people or equipment, which can lead to inefficiencies and fatigue. Mura highlights the issues of variation in processes, which can impact the stability and predictability of operations. Muda, the most commonly discussed type of waste, pertains to activities that do not add value to the product or service from the customer's perspective, such as excess motion, waiting time, or unnecessary steps in a process. While the other terms are integral to the Lean philosophy, "Mocha" is a playful term that does not relate to the principles of Lean, and thus the answer reflects a clear understanding of Lean concepts and terminology.