LEAN SIX SIGMA BLACK BELT EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
Q&A 2026/2027 |INSTANT DOWNLOAD PDF
Question 1. What is the primary objective of Lean Six Sigma?
A. Increase inspection activities
B. Eliminate waste and reduce process variation
C. Increase inventory levels
D. Maximize process complexity
Answer: B. Eliminate waste and reduce process variation
Rationale: Lean focuses on eliminating non-value-added
activities, while Six Sigma focuses on reducing variation and
defects.
Question 2. Which methodology is most commonly associated
with improving an existing process?
A. DMADV
B. DMAIC
C. SIPOC
D. FMEA
Answer: B. DMAIC
,Rationale: DMAIC stands for Define, Measure, Analyze,
Improve, and Control and is designed for improving existing
processes.
Question 3. Which DMAIC phase establishes the project
problem and objectives?
A. Measure
B. Analyze
C. Define
D. Control
Answer: C. Define
Rationale: Define establishes the problem statement, project
scope, goals, stakeholders, and business case.
Question 4. What does VOC stand for?
A. Variation of Control
B. Voice of the Customer
C. Value of Capability
D. Verification of Compliance
Answer: B. Voice of the Customer
Rationale: VOC represents customer requirements,
expectations, needs, and perceptions.
,Question 5. Which tool visually maps suppliers, inputs,
process, outputs, and customers?
A. Pareto chart
B. SIPOC
C. Histogram
D. Scatter diagram
Answer: B. SIPOC
Rationale: SIPOC provides a high-level view of the process from
suppliers through customers.
Question 6. What does CTQ mean?
A. Critical to Quality
B. Control Through Quality
C. Customer Total Quality
D. Continuous Technical Qualification
Answer: A. Critical to Quality
Rationale: CTQs translate customer requirements into
measurable process or product characteristics.
Question 7. Which of the following is a Lean waste category?
A. Variation
B. Overproduction
, C. Capability
D. Regression
Answer: B. Overproduction
Rationale: Overproduction is one of the traditional Lean
wastes.
Question 8. Which Lean principle means producing only what
is needed when it is needed?
A. Push
B. Just-in-Time
C. Inspection
D. Batch production
Answer: B. Just-in-Time
Rationale: Just-in-Time seeks to provide materials or products
at the required time and quantity.
Question 9. Which waste occurs when products are produced
before customers need them?
A. Waiting
B. Overprocessing
C. Overproduction
D. Motion
Answer: C. Overproduction
AND CORRECT ANSWERS (VERIFIED ANSWERS)
Q&A 2026/2027 |INSTANT DOWNLOAD PDF
Question 1. What is the primary objective of Lean Six Sigma?
A. Increase inspection activities
B. Eliminate waste and reduce process variation
C. Increase inventory levels
D. Maximize process complexity
Answer: B. Eliminate waste and reduce process variation
Rationale: Lean focuses on eliminating non-value-added
activities, while Six Sigma focuses on reducing variation and
defects.
Question 2. Which methodology is most commonly associated
with improving an existing process?
A. DMADV
B. DMAIC
C. SIPOC
D. FMEA
Answer: B. DMAIC
,Rationale: DMAIC stands for Define, Measure, Analyze,
Improve, and Control and is designed for improving existing
processes.
Question 3. Which DMAIC phase establishes the project
problem and objectives?
A. Measure
B. Analyze
C. Define
D. Control
Answer: C. Define
Rationale: Define establishes the problem statement, project
scope, goals, stakeholders, and business case.
Question 4. What does VOC stand for?
A. Variation of Control
B. Voice of the Customer
C. Value of Capability
D. Verification of Compliance
Answer: B. Voice of the Customer
Rationale: VOC represents customer requirements,
expectations, needs, and perceptions.
,Question 5. Which tool visually maps suppliers, inputs,
process, outputs, and customers?
A. Pareto chart
B. SIPOC
C. Histogram
D. Scatter diagram
Answer: B. SIPOC
Rationale: SIPOC provides a high-level view of the process from
suppliers through customers.
Question 6. What does CTQ mean?
A. Critical to Quality
B. Control Through Quality
C. Customer Total Quality
D. Continuous Technical Qualification
Answer: A. Critical to Quality
Rationale: CTQs translate customer requirements into
measurable process or product characteristics.
Question 7. Which of the following is a Lean waste category?
A. Variation
B. Overproduction
, C. Capability
D. Regression
Answer: B. Overproduction
Rationale: Overproduction is one of the traditional Lean
wastes.
Question 8. Which Lean principle means producing only what
is needed when it is needed?
A. Push
B. Just-in-Time
C. Inspection
D. Batch production
Answer: B. Just-in-Time
Rationale: Just-in-Time seeks to provide materials or products
at the required time and quantity.
Question 9. Which waste occurs when products are produced
before customers need them?
A. Waiting
B. Overprocessing
C. Overproduction
D. Motion
Answer: C. Overproduction
