Certified Six Sigma Black Belt Lean Enterprise Concepts Questions and Answers

Question 1

A team is analyzing a process that has long and unpredictable changeover times between product models, leading to excessive downtime and large batch sizes.
Which of the following Lean tools is specifically designed to address this type of problem?

Accepted Answer

Single-Minute Exchange of Die (SMED)

Answer

5S

Answer

Jidoka

Answer

Heijunka

Question 2

A customer contact center operates for an 8-hour shift (480 minutes). During this shift, there is one 30-minute lunch and two 15-minute breaks. The daily customer demand is 210 calls. What is the Takt Time for this process?

Accepted Answer

2.00 minutes per call

Answer

2.29 minutes per call

Answer

1.90 minutes per call

Answer

2.40 minutes per call

Question 3

Which of the following BEST describes the primary purpose of Heijunka (production leveling)?

Accepted Answer

To smooth the production of different product models over time to match the pace of customer demand.

Answer

To stop the production line automatically when a defect is detected.

Answer

To organize the workplace for efficiency and effectiveness by eliminating clutter.

Answer

To reduce batch sizes by enabling rapid equipment changeovers.

Question 4

A manager notices that experienced machine operators are frequently assigned simple, repetitive tasks far below their skill level, while complex problem-solving is escalated to engineers who are often unavailable. This practice leads to delays and low morale among the operators. According to the 8 Wastes of Lean, which waste is most evident in this scenario?

Accepted Answer

Non-Utilized Talent

Answer

Motion

Answer

Waiting

Answer

Defects

Question 5

The Lean principle of Jidoka, often translated as 'autonomation', is best described as:

Accepted Answer

Providing machines and operators the ability to detect an abnormal condition and immediately stop work.

Answer

A visual scheduling system to manage and control the flow of work.

Answer

A method for reducing equipment changeover times to under 10 minutes.

Answer

A technique for leveling the production schedule in both volume and mix.

Question 6

After creating a detailed current-state value stream map, a Six Sigma team's primary objective in developing a future-state map is to:

Accepted Answer

Design a streamlined flow that eliminates sources of waste and improves value delivery.

Answer

Document all non-value-added activities currently in the process.

Answer

Calculate the precise Takt time for the current production rate.

Answer

Create a training manual for new employees based on the current process.

A team is analyzing a process that has long and unpredictable changeover times between product models, leading to excessive downtime and large batch sizes.Which of the following Lean tools is specifically designed to address this type of problem?

A team is analyzing a process that has long and unpredictable changeover times between product models, leading to excessive downtime and large batch sizes.
Which of the following Lean tools is specifically designed to address this type of problem?