If you are a certified Black Belt ,pls try the exam to test your 6Sigma acknowledge . If you are not ,you also can try it .Pls feedback your answer after you finish it . If you have question during this test pls feel free to tell us.
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Question 1 ................................. Your Answer [ ]
Gage R&R studies are conducted to determine all of the following except:
a. Reproducibility of measurements between operators.
b. The resolution of the gage.
c. The ability of the measurement systems to detect process changes.
d. Repeatability of the measurement system.
Question 2 ................................. Your Answer [ ]
When performing a response surface analysis using a second-order approximating function, the experimenter discovered that the stationary point was a saddle point .This means:
a. The stationary point is neither a minimum nor a maximum.
b. The analysis was performed incorrectly.
c. The Hessian is not equal to zero.
d. The saddle point is at the economical optimum.
Question 3 ................................. Your Answer [ ]
An operational definition is :
a. A definition that includes a mean of measurement.
b. A definition of an operation.
c. A clearly understood explanation of a problem.
d. A diagram of what management wants to accomplish.
Question 4 ................................. Your Answer [ ]
In establishing a base line for a project it is important to:
a. Use DOE techniques to determine significant effects.
b. Involve the accounting and finance department when financial metrics are developed.
c. Use only the most recent data.
d. Use bar charts to identify significant differences graphically.
Question 5 ................................. Your Answer [ ]
In estimating process capability it is vital that:
a. At least 200 items are measured.
b. The sequence of production is known.
c. X-bar and R charts be used.
d. Cpk be computed.
Question 6 ................................. Your Answer [ ]
A DOE was conducted using a saturated design. This means:
a. The design is optimal.
b. There are too many replicates.
c. Then experiment use improper blocking.
d. No degrees of freedom remain to estimate interaction effects.
Question 7 ................................. Your Answer [ ]
The future value of $1000 invested at 8% for two years and compounded quarterly is:
a. $1,171.66
b. $1,166.40
c. $1,160.00
d. None of the above.
Question 8 ................................. Your Answer [ ]
A valuable tool for establishing performance objectives is:
a. A process map
b. Bar chart.
c. Screening design.
d. Full factorial experiment.
Question 9 ................................. Your Answer [ ]
Which of the following statistics can not be used for measurements on a nominal scale?
a. t-tests.
b. Percent.
c. Proportion.
d. Chi-square tests.
Question 10 ................................. Your Answer [ ]
The method that attempts to delineate all possible failures and their effect on a system is called .
a. PDCA
b. FMEA
c. Cause-and effect diagrams.
d. Pareto analysis.
Question 11 ................................. Your Answer [ ]
The EWMA chats should be employed when:
a. Run tests are not possible.
b. Cusum charts have proved to be ineffective.
c. There is serial correlation in the data.
d. P-charts cannot be used.
Question 12 ................................. Your Answer [ ]
One graphical tool often used to help identify opportunities for improvement is:
a. ANOVA.
b. Cost/benefit analysis.
c. Pareto Analysis.
d. Control Charts.
Question 13 ................................. Your Answer [ ]
In estimating the cost of a project, all of the items below are crucial except:
a. Obtaining highly accurate cost estimates for all project expenses.
b. Including the cost of time away from work for project participants.
c. Using the time value of money in financial analysis.
d. Estimating the cash flow for the project.
Question 14 ................................. Your Answer [ ]
In conducting a statistically designed experiment one usually begins by:
a. Evaluating all potentially important factors at all levels for each factor.
b. Developing an experimental plan.
c. Conducting a screening experiment.
d. Using a factional factorial design.
Question 15 ................................. Your Answer [ ]
The 7M tool called the process Decision Program Chart can be used in process control planning to:
a. Determine if a control plan is needed.
b. Eliminate the need for Kanban.
c. Determine likely failure modes which require contingency plans.
d. Assist management with strategic planning.
Question 16 ................................. Your Answer [ ]
On an X-bar and R control chart for a gage R&R study the control chart for the Ranges of repeated readings is in statistical control. However , nearly all of the averages on the X-bar chart are outside of the control limits. This indicates:
a. The measurement system is inadequate.
b. There was an error in the calculations.
c. The measurement system is able to detect process variability.
d. There are special causes of variation which affect the averages.
Question 17 .................................Your Answer [ ]
In preparing a process control plan the Black Belt should:
a. Include specific instructions for the operator on what action to take for every conceivable contingency.
b. Provide instructions to the process operator on how to react to special cause signals, including stopping production when the cause of the problem can't be determined.
c. Be sure to put the information on the organization's intranet.
d. Always use statistical methods to identify problems.(end)
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