Lean Concepts and Waste Flashcards
7 cards from real Lean Six Sigma Yellow Belt Certification practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Lean Concepts and Waste flashcards as text
A hospital notices nurses walk long distances to retrieve supplies stored in a central location. Which type of waste does this represent?
Answer: Motion
Motion waste refers to unnecessary movement of people that does not add value to the product or service.
In Lean thinking, which of the following best describes 'value' from the customer's perspective?
Answer: A feature or service the customer is willing to pay for
Value is defined as any feature, function, or service that the customer is willing to pay for.
Which of the eight wastes is specifically associated with failing to use employees' knowledge, skills, and creativity?
Answer: Non-utilized talent
Non-utilized talent (also called unused creativity) is the eighth waste added to the original Toyota seven wastes.
A batch of parts sits in a queue between two manufacturing steps for three days. This is an example of which waste?
Answer: Waiting
Waiting waste occurs when work-in-process sits idle between process steps, consuming time without adding value.
What does the Japanese term 'Mura' refer to in the Lean waste framework?
Answer: Unevenness or variability in workflow
Mura means unevenness or variability in production flow, which leads to inefficiency and is one of three broader waste categories.
A software team produces detailed documentation for features that customers rarely use. This is an example of which Lean waste?
Answer: Overproduction
Overproduction means producing more than what is needed or producing it before it is needed, consuming resources without delivering value.
Which Lean principle states that production should be 'pulled' by customer demand rather than 'pushed' by forecasts?
Answer: Pull system
A pull system triggers production only when there is actual customer demand, reducing overproduction and excess inventory.