CLL Waste Identification & Process Improvement

Question 1

What is the primary goal of waste identification in Lean?

Accepted Answer

Eliminate non-value-added activities

Answer

In Lean methodology, 'waste' refers to any activity that consumes resources but does not add value from the customer's perspective. The primary goal of identifying these non-value-added activities is to systematically eliminate them from the process. By removing waste, organizations can improve efficiency, reduce costs, shorten lead times, and ultimately deliver greater value to the customer.

Question 2

Which of the following is NOT one of the 8 wastes in Lean?

Accepted Answer

Customer service

Answer

The 8 wastes (or 'Muda') in Lean are commonly remembered by the acronym DOWNTIME: Defects, Overproduction, Waiting, Non-utilized talent, Transportation, Inventory, Motion, and Overprocessing. Customer service, while a crucial business function, is not categorized as one of these specific forms of waste. In fact, excellent customer service is a value-adding activity that Lean aims to support by optimizing processes.

Question 3

What tool is commonly used to identify waste in a process?

Accepted Answer

Value Stream Mapping

Answer

Value Stream Mapping (VSM) is a foundational Lean tool specifically designed for visualizing the entire flow of a process, from raw materials to the customer. By mapping both material and information flow, VSM makes it easy to pinpoint areas of waste, such as excessive inventory, waiting times, and unnecessary steps. This comprehensive visualization facilitates the identification and subsequent elimination of waste.

Question 4

What is a common cause of overproduction waste?

Accepted Answer

Poor inventory control

Answer

Overproduction is the waste of producing more than is needed, sooner than needed, or in greater quantities than required by the next process step or customer. Poor inventory control, often driven by inaccurate forecasts or a 'just-in-case' mentality, leads to producing excess goods. These excess goods then sit in storage, consuming resources and incurring costs without immediate customer demand, directly causing overproduction waste.

Question 5

Which approach is used in Lean for process improvement?

Accepted Answer

Kaizen

Answer

Kaizen is a Japanese term meaning 'change for the better' or 'continuous improvement.' In Lean, Kaizen refers to a philosophy and set of practices focused on making small, incremental improvements to processes on an ongoing basis. It encourages all employees to actively participate in identifying and implementing improvements, leading to sustained gains in efficiency and quality over time.

(CLL) Certified Lean Leader Practice Test

(CLL) Certified Lean Leader Practice Test

CLL Waste Identification & Process Improvement