its a true false question. please answer its all. thank you

Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter2: Measurement, Materials, And Safety
Section2.5: Quality Assurance, Process Planning, And Quality Control
Problem 9RQ: If an X-bar chart graph is between LCL and the UCL, a machining process is said to be ____________.
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its a true false question. please answer its all. thank you

1. A change in machine set-up may affect the specification limits.
2. It is meaningless to calculate Cp and Cpk if the process is not in
control.
3. If Cp >1, it means the process variation is too wide for the
specification limits.
4. If Cp > 1 and Cpk < 1, it means the process is capable.
5. A change in machine set-up may affect the control limits.
6. A change in drawing tolerance will affect the specification limits.
7. If Cp = Cpk, it means the process is capable.
8. A change in drawing tolerance will affect the control limits.
Transcribed Image Text:1. A change in machine set-up may affect the specification limits. 2. It is meaningless to calculate Cp and Cpk if the process is not in control. 3. If Cp >1, it means the process variation is too wide for the specification limits. 4. If Cp > 1 and Cpk < 1, it means the process is capable. 5. A change in machine set-up may affect the control limits. 6. A change in drawing tolerance will affect the specification limits. 7. If Cp = Cpk, it means the process is capable. 8. A change in drawing tolerance will affect the control limits.
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i think question 1 and 8 us True. what do you think ?

 

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