Lean Six Sigma Yellow Belt Certification Lean Six Sigma Yellow Belt Certification MCQ 2 — Questions and Answers
Question 1: In Lean Six Sigma, what does the acronym SIPOC stand for?
- Suppliers, Inputs, Process, Outputs, Customers (Correct answer)
- Systems, Indicators, Plans, Operations, Controls
- Stakeholders, Issues, Problems, Outcomes, Costs
- Strategy, Improvement, Process, Objectives, Compliance
Correct answer: Suppliers, Inputs, Process, Outputs, Customers
SIPOC is a high-level process map identifying Suppliers, Inputs, Process, Outputs, and Customers to define project scope.
Question 2: Which of the following best describes 'Takt Time' in Lean manufacturing?
- The total time required to complete one production cycle
- The rate at which a product must be produced to meet customer demand (Correct answer)
- The time spent on value-added activities only
- The maximum allowable cycle time before a defect occurs
Correct answer: The rate at which a product must be produced to meet customer demand
Takt Time is calculated as available production time divided by customer demand rate, setting the production pace.
Question 3: A fishbone (Ishikawa) diagram is primarily used during which DMAIC phase?
- Define
- Measure
- Analyze (Correct answer)
- Improve
Correct answer: Analyze
The fishbone diagram is an Analyze-phase tool used to identify potential root causes of a problem.
Question 4: What is the primary purpose of a Control Chart in Six Sigma?
- To rank defect categories by frequency
- To distinguish between common cause and special cause variation (Correct answer)
- To map the steps of a process
- To calculate process sigma level
Correct answer: To distinguish between common cause and special cause variation
Control charts use statistical limits to differentiate normal process variation (common cause) from unusual events (special cause).
Question 5: In the 8 Wastes of Lean (DOWNTIME), what does the 'N' represent?
- Non-conformance
- Non-value-added steps
- Non-utilized talent (Correct answer)
- Narrow process flow
Correct answer: Non-utilized talent
In DOWNTIME, 'N' stands for Non-utilized Talent — wasting employees' skills, knowledge, or ideas.
Question 6: Which metric measures the percentage of units that pass through a process without any defects or rework?
- Defects Per Million Opportunities (DPMO)
- First Pass Yield (FPY) (Correct answer)
- Process Capability Index (Cpk)
- Rolled Throughput Yield (RTY)
Correct answer: First Pass Yield (FPY)
First Pass Yield (FPY) is the ratio of units completed correctly the first time without any rework or correction.
Question 7: During the Define phase of DMAIC, which document formally authorizes a Six Sigma project and outlines its scope?
- Voice of the Customer report
- Project Charter (Correct answer)
- SIPOC diagram
- Control Plan
Correct answer: Project Charter
The Project Charter is the key Define-phase document that defines the problem, goal, scope, team, and timeline.
Lean Six Sigma Yellow Belt Certification Lean Six Sigma Yellow Belt Certification MCQ 2
In Lean Six Sigma, what does the acronym SIPOC stand for?