112, Lean Six Sigma Green Belt, Six Sigma SJC, USAF GREENBELT, Lean Six Sigma Green Belt
The three steps for performing a Root Cause Analysis are...
1) Define the problem in terms of the observed effect; 2) Analyze why and when the problem happened; and 3) Develop a permanent solution to prevent the problem from reoccurring.
What is the Risk Priority Number (RPN) for sev=10, occ=5, and det=2
100
Which one of the following represents a more severe risk for a Risk Priority Number?
A higher value
Which one of the highlighted areas on this Cause and Effect diagram is where a major category of causes is placed?
Area A
Which one of the highlighted areas on this Cause and Effect diagram represents the "effect"?
Area B
Which one of the following is most often used with a Cause and Effect Diagram during problem solving analysis?
Brainstorming
In a Cause and Effect Diagram, the following terms "Equipment, Materials, People, and Environment" are most often associated with which of the following?"
Categories of major causes.
Which one of the following would cause Cpk to change but would not cause Cp to change?
Change in the value of the process mean
When Safety is included as the sixth S in a 5S effort, which of the following is an additional activity that may be included in the implementation?
Clearly mark storage areas for personal protective equipment
Which of the following best describes the type of maintenance that focuses on equipment improvements or modifications to prevent breakdowns or make maintenance easier?
Corrective Maintenance
To meet customer requirements, the specification limits are changed so the spec width became smaller. Which one of the following is true?
Cp and Cpk both get smaller
The capability of a process that uses attribute data is expressed using all of the following except...
Cp and Cpk.
Which of the following is a benefit of the 5S phase Sustain?
Ensures improvement benefits are controlled and ongoing
Which one of the following uses a Risk Priority Number in assessing and prioritizing improvement efforts?
FMEA
In a Failure Mode and Effects Analysis, a potential cause can only be associated with a single process step.
False
Another name for the Cause and Effect Diagram is..
Fishbone (Ishikawa) Diagram
In a Failure Mode and Effects Analysis, what does the SEV (Severity) rating indicate?
How significant the impact of a failure will be to the customer
Which one of the following best describes the concept of Mistake Proofing the process?
Implementing a solution that eliminates the root cause of the problem.
These are the control charts for two similar machines. Since both Machine A and Machine B produce the same product, the opportunities for error are the same. How does the capability of the two machines compare?
Machine B is more capable
Which of the following best describes the type of maintenance that focuses on minimizing required maintenance based on equipment design and/or installation?
Maintenance Prevention
Which of the following is a benefit of the 5S phase Set in Order?
Places required tools and materials needed for the process step in easy reach of the worker
Error Proofing is also called Mistake Proofing, which comes from the Japanese term ...
Poka-Yoke.
Parts are dropped or damaged in process and must be scrapped. In which Overall Equipment Efficiency (OEE) category is this loss captured?
Quality
Which of the following is a characteristic of Visual Management?
Self explaining
Review the following 5S elements and identify the step that is being referenced: Determine where missing items are; Label everything with a name and location; Use area and material placement markings; Use labels, tool boards, and color codes.
Set in Order
The Red Tag event is part of which phase of 5S?
Sort
In a Failure Mode and Effects Analysis, what does the OCC (Occurrence) rating indicate?
The likelihood of the failure occurring
In a Failure Mode and Effects Analysis, what does the DET (Detection) rating indicate?
The likelihood that the current control system will detect the cause or failure mode when it occurs
Which one of the following best describes a Risk Priority Number?
The relative ranking of the risks of failure
What is the overall or primary focus of Visual Management?
To create an organized, clean, efficient workspace by ensuring standard practices are clear and visible to all
What is the primary goal of the self improving characteristics of Visual Management?
To identify visually any problems and abnormalities
What is the importance of self explaining characteristics of Visual Management?
To see at a glance the identity of all items and locations, the type of work taking place, and the current stage of workflow
Is the following statement True or False? "Vital x's for a given failure effect can occur in more than one process step."
True
On a Cause and Effect Diagram, the effect or problem must be clearly stated before causes are listed
True
The three types of Error Proofing solution implementation techniques are....
alert, control, and shutdown.
Production equipment performance problems can be traced to six major losses. These include...
breakdown loss, setup and adjustment loss, cycle time loss, machine stoppage due to parts shortages, startup rejects, and defect loss.
The control chart for this process shows a decrease in u-bar. Select the choice that best completes the following statement: "If this is the only change in the process, then the capability of this process has..."
has gotten better.
Select the choice that best completes the following statement: "The natural tolerance of Process A is _______ the natural tolerance of Process B."
larger than
The purpose of visual standards is to.
make normal performance conditions clear at-a-glance so problems can be easily spotted.
A main purpose of using a Cause and Effect Diagram is to...
perform root cause analysis.
An Error Proofing "control"....
prevents a failure from moving forward until it has been corrected.
An Error Proofing "alert"....
provides a signal that an error has occurred.
Select the choice that best completes the following statement: "The natural tolerance of Process A is _______ the natural tolerance of Process B."
smaller than
In the following sentence, fill in the blanks by choosing the response that correctly completes the statement. "The capability index Cp compares the ___________ to the ____________.
spec width; natural tolerance
An Error Proofing "shutdown"....
stops the process automatically when a failure has been detected.
The direct cause, the cause that directly resulted in the failure event, is also the first cause or.
the event trigger in the chain.
Select the choice that best completes the following statement: "Cpk differs from Cp because the calculation for Cpk uses
the process mean, mu.
The natural tolerance of a process extends a distance of _______ on each side of the process mean.
three sigma
The Cause and Effect Diagram is...
used to identify the many potential causes for a specific problem or effect.
