Lean Six Sigma Green Belt & Black Belt Practice
Exam with Complete Questions And Correct
Answers|Already Graded A+|Brand New Version
1. Which of the following best describes the primary objective of
Six Sigma?
A. Reduce costs
B. Improve employee morale
C. Improve process capability and reduce variation
D. Increase production speed
Answer: C
Six Sigma's core goal is reducing variation to improve process
capability.
2. Which of the following is the correct order of DMAIC?
A. Measure, Define, Analyze, Improve, Control
B. Define, Measure, Analyze, Improve, Control
C. Define, Analyze, Measure, Control, Improve
D. Define, Improve, Measure, Analyze, Control
Answer: B
DMAIC follows the sequence: Define → Measure → Analyze →
Improve → Control.
3. What is the primary purpose of a SIPOC diagram?
A. Analyze root causes
B. Understand high-level process flow
C. Develop control plans
,D. Validate measurement systems
Answer: B
SIPOC provides a high-level overview of Suppliers, Inputs, Process,
Outputs, and Customers.
4. A defect is defined as:
A. Anything requiring rework
B. Anything that violates customer requirements
C. Any product not meeting internal standards
D. Anything the operator identifies as incorrect
Answer: B
A defect is anything that does not meet customer CTQs.
5. In Lean, waste is referred to as:
A. Mura
B. Muri
C. Muda
D. Kaizen
Answer: C
Muda refers to non-value-added waste.
6. Which tool is used to identify the most significant contributors to
a problem?
A. Control chart
B. Pareto chart
C. Histogram
D. Capability analysis
Answer: B
A Pareto chart highlights the “vital few” causes.
, 7. The Voice of the Customer (VOC) is translated into which tool?
A. FMEA
B. SIPOC
C. QFD/House of Quality
D. Gage R&R
Answer: C
QFD translates VOC needs into measurable requirements.
8. What is takt time?
A. The maximum cycle time allowed
B. Customer demand rate
C. Average process cycle time
D. Time required for setup
Answer: B
Takt time = Available production time ÷ Customer demand.
9. A CTQ stands for:
A. Critical to Quality
B. Critical to Quantity
C. Cycle Time Quality
D. Critical Time Quotient
Answer: A
CTQs are customer-driven measurable quality requirements.
10. Which distribution is most common in natural processes?
A. Uniform
B. Poisson
C. Normal
Exam with Complete Questions And Correct
Answers|Already Graded A+|Brand New Version
1. Which of the following best describes the primary objective of
Six Sigma?
A. Reduce costs
B. Improve employee morale
C. Improve process capability and reduce variation
D. Increase production speed
Answer: C
Six Sigma's core goal is reducing variation to improve process
capability.
2. Which of the following is the correct order of DMAIC?
A. Measure, Define, Analyze, Improve, Control
B. Define, Measure, Analyze, Improve, Control
C. Define, Analyze, Measure, Control, Improve
D. Define, Improve, Measure, Analyze, Control
Answer: B
DMAIC follows the sequence: Define → Measure → Analyze →
Improve → Control.
3. What is the primary purpose of a SIPOC diagram?
A. Analyze root causes
B. Understand high-level process flow
C. Develop control plans
,D. Validate measurement systems
Answer: B
SIPOC provides a high-level overview of Suppliers, Inputs, Process,
Outputs, and Customers.
4. A defect is defined as:
A. Anything requiring rework
B. Anything that violates customer requirements
C. Any product not meeting internal standards
D. Anything the operator identifies as incorrect
Answer: B
A defect is anything that does not meet customer CTQs.
5. In Lean, waste is referred to as:
A. Mura
B. Muri
C. Muda
D. Kaizen
Answer: C
Muda refers to non-value-added waste.
6. Which tool is used to identify the most significant contributors to
a problem?
A. Control chart
B. Pareto chart
C. Histogram
D. Capability analysis
Answer: B
A Pareto chart highlights the “vital few” causes.
, 7. The Voice of the Customer (VOC) is translated into which tool?
A. FMEA
B. SIPOC
C. QFD/House of Quality
D. Gage R&R
Answer: C
QFD translates VOC needs into measurable requirements.
8. What is takt time?
A. The maximum cycle time allowed
B. Customer demand rate
C. Average process cycle time
D. Time required for setup
Answer: B
Takt time = Available production time ÷ Customer demand.
9. A CTQ stands for:
A. Critical to Quality
B. Critical to Quantity
C. Cycle Time Quality
D. Critical Time Quotient
Answer: A
CTQs are customer-driven measurable quality requirements.
10. Which distribution is most common in natural processes?
A. Uniform
B. Poisson
C. Normal
