IASSC Certified Lean Six Sigma Green Belt

Here you have the best Six Sigma ICGB practice exam questions

  • You have 143 total questions across 29 pages (5 per page)
  • These questions were last updated on February 16, 2026
  • This site is not affiliated with or endorsed by Six Sigma.
Question 1 of 143
The use of station warning lights, tool boards and jidohka devices in the application of Lean accomplish which of these principles?
Answer

Suggested Answer

The suggested answer is B.

The use of station warning lights, tool boards, and jidohka devices in Lean manufacturing is primarily aimed at creating a Visual Factory. These tools are used to make the status of the production process visible and easily understandable to all workers, thereby enhancing communication and efficiency. This helps in quickly identifying abnormalities and ensuring that corrective actions can be taken promptly.

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Question 2 of 143
A Lean Principle that addresses efficiency by the process worker is called ____________________?
Answer

Suggested Answer

The suggested answer is D.

The Lean Principle that addresses efficiency by the process worker is called standardizing. Standardizing involves creating consistent methods and procedures to ensure tasks are performed efficiently and effectively, reducing variation and waste, and thereby improving overall process efficiency.

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Question 3 of 143
While management of a company must set the stage for all improvement efforts, which of these 5S’s is primarily driven by management?
Answer

Suggested Answer

The suggested answer is D.

Sustain is the step of the 5S methodology that involves maintaining and reviewing standards. It is primarily driven by management because it requires their commitment to creating and enforcing policies that ensure the ongoing adherence to the 5S standards. Sustaining 5S practices involves continuous monitoring, training, and support from management to make sure that all other steps (Sort, Straighten, Shine, Standardize) are consistently followed over time.

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Question 4 of 143
As part of a Visual Factory plan __________ cards are created and utilized to identify areas in need of cleaning and organization.
Answer

Suggested Answer

The suggested answer is B.

Kaizen cards are utilized as part of a Visual Factory plan to identify areas that need cleaning and organization. Kaizen refers to continuous improvement involving everyone, from the management to workers. It focuses on small, incremental changes rather than large-scale sweeps, often highlighting issues that need attention like cleanliness and organization.

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Question 5 of 143
The use of Kanbans work best with pull systems for determining the timing of which products or services are produced.
Answer

Suggested Answer

The suggested answer is A.

Kanban is a scheduling system for lean and just-in-time production, which inherently works best with pull systems. In a pull system, production is based on actual consumption rather than forecasted demand, and Kanbans are used to signal the need to move materials, objects, and parts through the production process. Therefore, the statement is true.

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About the Six Sigma ICGB Certification Exam

About the Exam

The Six Sigma ICGB (IASSC Certified Lean Six Sigma Green Belt) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 143 practice questions across 29 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our ICGB questions are regularly updated to reflect the latest exam objectives.