Certified Six Sigma Black Belt Exam Certified Six Sigma Black Belt Lean Enterprise Concepts Questions and Answers 3

Question 1

In a Lean enterprise, what does 'pull system' mean?

Accepted Answer

Production is initiated only in response to actual customer demand

Answer

Products are pushed through based on forecasted demand

Answer

Inventory is maintained at maximum levels at every stage

Answer

Work is scheduled based on machine capacity alone

Question 2

What is the purpose of a poka-yoke device in Lean operations?

Accepted Answer

To mistake-proof a process and prevent defects from occurring

Answer

To measure cycle time at each workstation

Answer

To balance workload across team members

Answer

To calculate overall equipment effectiveness

Question 3

How is takt time calculated in a Lean environment?

Accepted Answer

Available production time divided by customer demand

Answer

Total cycle time multiplied by the number of operators

Answer

Lead time minus processing time

Answer

Setup time plus run time per unit

Question 4

Which of the following is NOT one of the eight wastes commonly recognized in Lean?

Accepted Answer

Innovation

Answer

Overproduction

Answer

Waiting

Answer

Excess inventory

Question 5

What does hoshin kanri achieve in a Lean enterprise?

Accepted Answer

It aligns strategic goals with tactical execution through policy deployment

Answer

It eliminates the need for daily stand-up meetings

Answer

It automates quality inspection at every workstation

Answer

It replaces value stream mapping as the primary planning tool

Question 6

What is the significance of standard work in sustaining Lean improvements?

Accepted Answer

It documents the current best practice to ensure consistency and serve as a baseline for further improvement

Answer

It locks processes permanently so no future changes are allowed

Answer

It eliminates the need for employee training programs

Answer

It replaces all quality control inspections