MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Control charts with points around mean and in predicted or fixed manner indicate ________ |
| A. | Stationary variability |
| B. | Non-stationary variability |
| C. | Auto correlated variability |
| D. | Process out of control |
| Answer» B. Non-stationary variability | |
| 2. |
The control charts formed for judgment of conformities and non-conformities are called ______ control charts. |
| A. | Variables |
| B. | Attributes |
| C. | Acceptance |
| D. | Rejections |
| Answer» C. Acceptance | |
| 3. |
Control charts for central tendency and the variability are called _________ control charts. |
| A. | Variables |
| B. | Attributes |
| C. | Acceptance |
| D. | Rejections |
| Answer» B. Attributes | |
| 4. |
Which of these can be used to estimate capability of the process? |
| A. | Control charts |
| B. | Process mean |
| C. | Acceptance Sampling |
| D. | Designed Experiments |
| Answer» B. Process mean | |
| 5. |
Which of these is a part of corrective action process associated with a control chart? |
| A. | OCAP |
| B. | DMAIC |
| C. | OC curve |
| D. | LCL |
| Answer» B. DMAIC | |
| 6. |
The center line of a control chart will be having a value ______ |
| A. | Higher than mean of quality characteristic |
| B. | Lower than mean of quality characteristic |
| C. | Equal to mean of quality characteristic |
| D. | Which is higher than UCL |
| Answer» D. Which is higher than UCL | |
| 7. |
The general model for the lower control limit for a value of quality characteristic w will be _____ |
| A. | LCL = <sub>w</sub> + L <sub>w</sub> |
| B. | LCL = <sub>w</sub> L |
| C. | LCL = <sub>w</sub> L <sub>w</sub> |
| D. | LCL = <sub>w</sub> + L |
| Answer» D. LCL = <sub>w</sub> + L | |
| 8. |
The correct expression for UCL for construction of a control chart is given by _____ |
| A. | UCL = ( overline{x} + Z_{ frac{ alpha}{2}} ( sigma_x) ) |
| B. | UCL = ( overline{x} Z_{ frac{ alpha}{2}} ( sigma) ) |
| C. | UCL = ( overline{x} Z_{ frac{ alpha}{2}} ( sigma_x) ) |
| D. | UCL = ( overline{x} + Z_{ frac{ alpha}{2}} ( sigma) ) |
| Answer» B. UCL = ( overline{x} Z_{ frac{ alpha}{2}} ( sigma) ) | |
| 9. |
For a process, sample size=5, process standard deviation=0.15, mean=1.5, and the std. deviation of mean is 0.0671. What will be the value of 3 upper control limit for the construction of control chart? |
| A. | 1.70 |
| B. | 1.29 |
| C. | 1.92 |
| D. | 0.170 |
| Answer» B. 1.29 | |
| 10. |
The size of sample is 5 for a process. If the process standard deviation is 0.15 micron, and the mean of process is 1.5 micron, the standard deviation of the sample average will be _______ |
| A. | 0.0500 |
| B. | 0.1000 |
| C. | 0.6710 |
| D. | 0.0671 |
| Answer» E. | |
| 11. |
Control charts are the part of _______ step of DMAIC process. |
| A. | Define |
| B. | Measure |
| C. | Act |
| D. | Control |
| Answer» E. | |
| 12. |
The general theory of Control charts was first developed by ________ |
| A. | Walter A. Shewhart |
| B. | Deming |
| C. | ISO |
| D. | ASQC |
| Answer» B. Deming | |
| 13. |
In the name of the OC curve, OC stands for ________ |
| A. | Operation Characteristic |
| B. | Operating Characteristic |
| C. | Operator Characteristic |
| D. | Operated Characteristic |
| Answer» C. Operator Characteristic | |