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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.
1. |
In regulated industries, where process stability and process capability must be continually demonstrated __________ charts are used. |
A. | And s |
B. | p |
C. | c |
D. | u |
Answer» B. p | |
2. |
When we want to troubleshoot the out-of-control process, we use _________ control charts. |
A. | |
B. | p |
C. | c |
D. | u |
Answer» B. p | |
3. |
When a change in product specification is desired, which of these control charts should be used? |
A. | p-charts |
B. | And R charts |
C. | c-charts |
D. | u-charts |
Answer» C. c-charts | |
4. |
Which of these is most economical in long term? |
A. | And R charts |
B. | c-chart |
C. | p-chart |
D. | u-chart |
Answer» B. c-chart | |
5. |
The efficiency of p-charts is __________ the efficiency of the x bar and R charts when p is closer to 0.5. |
A. | Equal to |
B. | More than |
C. | Less than |
D. | Non-predictable |
Answer» C. Less than | |
6. |
The efficiency of variable control charts is _________ the efficiency of the p-charts when p is small and far away from 0.5. |
A. | Lesser than |
B. | More than |
C. | Equal to |
D. | Non-predictable |
Answer» C. Equal to | |
7. |
X bar and R charts are __________ indicators of trouble. |
A. | Trailing |
B. | Inferior |
C. | Leading |
D. | Secondary |
Answer» D. Secondary | |
8. |
Which of these is an advantage of variable control chart? |
A. | Numerous quality characteristics considered at a time |
B. | To achieve the information very easily about the mean and variability |
C. | To have analyses of units nonconforming |
D. | To analyze the defects in one unit |
Answer» C. To have analyses of units nonconforming | |
9. |
What type of control chart can be used to plot number of defectives in the output of a process for making a machine part data? |
A. | p-chart |
B. | c-chart |
C. | u-chart |
D. | s-chart |
Answer» B. c-chart | |
10. |
The number of defects per unit of a casting process output, is plotted on _____________ chart. |
A. | x bar |
B. | s-chart |
C. | u-chart |
D. | p-chart |
Answer» D. p-chart | |