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Free Certified Lean Six Sigma Black Belt (CLSSBB) Practice Questions

Question # 1

Which of the following is the best technique for improving the precision of a designed experiment when the experimental material is NOT homogeneous?

Options:

A.  

Blocking

B.  

Confounding

C.  

Randomization

D.  

Fractionalizing

Discussion 0
Question # 2

Which of the following measures is used to show the ratio of defects to units?

Options:

A.  

DPU

B.  

DPO

C.  

DPMO

D.  

PPM

Discussion 0
Question # 3

Following have been exponents of Quality evolution except?

Options:

A.  

Juran

B.  

Philip Crossby

C.  

Wockhardt

D.  

Deming

Discussion 0
Question # 4

__________________can be measured against a benchmark in a process.

Options:

A.  

Performance

B.  

Outcome of the process

C.  

Operational Efficiency

D.  

All of the above

Discussion 0
Question # 5

Which of the following tools is used extensively in quality function deployment (QFD)?

Options:

A.  

Affinity diagram

B.  

Matrix diagram

C.  

Cause and effect diagram

D.  

Activity network diagram

Discussion 0
Question # 6

The term used to describe the risk of a Type I error in a test of hypotheses is?

Options:

A.  

power

B.  

confidence level

C.  

level of significance

D.  

beta risk

Discussion 0
Question # 7

Find the value of m or b1:

Options:

A.  

0.25

B.  

0.63

C.  

0.75

D.  

1.22

Discussion 0
Question # 8

Typically, which of the following actions is NOT used to reduce process cycle time?

Options:

A.  

Analyzing current processes

B.  

Reducing queue times

C.  

Setting scheduling priorities

D.  

Implementing activity-based costing

Discussion 0
Question # 9

The purpose of using control charts is to

Options:

A.  

determine if the process is performing within specifications

B.  

evaluate process performance over time

C.  

determine how to recreate the process

D.  

detect the causes of nonconformities

Discussion 0
Question # 10

A meeting is called for all three shifts to determine the settings to be used on machine #45. This is an example of:

Options:

A.  

visual factory

B.  

kanban

C.  

poka-yoke

D.  

standard work

E.  

set up time reduction (SMED)

Discussion 0

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Exams4sure Dumps

Exam style questions across every CLSSBB domain

Last Update 14 hours ago
Total Questions : 357

Start with our free CLSSBB practice questions, carefully crafted to mirror the domains, phrasing, and difficulty of the real Lean Six Sigma Black Belt Certification exam. Each CLSSBB exam question comes with a detailed rationale that explains not just which answer is correct but why the others fall short. That's how concepts stick. Use the free set to benchmark yourself: identify your GAQM weak domains, see where you're losing marks, and build a focused study plan in minutes.

Free Exams Sample Questions