MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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. |
Non-defective term has the same meaning as Nonconforming. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
If is the magnitude of the process shift, n must specify __________ |
| A. | ( delta=nL sqrt{ frac{pn(1-p)}{n}} ) |
| B. | ( delta=nL sqrt{ frac{p(n-p)}{n}} ) |
| C. | ( delta=L sqrt{ frac{p(1-p)}{n}} ) |
| D. | ( delta=L sqrt{ frac{np(1-np)}{n}} ) |
| Answer» D. ( delta=L sqrt{ frac{np(1-np)}{n}} ) | |
| 3. |
Which of these is not one of the parameters which need to be specified for fraction nonconforming control charts? |
| A. | Sample Size |
| B. | Frequency of sampling |
| C. | Width of control limits |
| D. | Units to be produced |
| Answer» E. | |
| 4. |
The control limits for p-chart found from the use of estimated unknown fraction non conforming, are regarded as __________ |
| A. | Final limits |
| B. | Concluded limits |
| C. | Trial limits |
| D. | Absolute limits |
| Answer» D. Absolute limits | |
| 5. |
If the sample size for a p-chart is 50 and the value for the center line of the chart is 0.2313, what will be the value of the LCL of the chart? |
| A. | 0.4108 |
| B. | 0.0524 |
| C. | 0.0762 |
| D. | 0.0389 |
| Answer» C. 0.0762 | |
| 6. |
Even if the process is in control according to p-chart and the fraction nonconforming is too high, it states that _________ |
| A. | The process is not stable |
| B. | The process is stable but there are no operator controllable problems |
| C. | The process is stable but there are some operator controllable problems |
| D. | The process is out of control |
| Answer» C. The process is stable but there are some operator controllable problems | |
| 7. |
The UCL for any p chart, when the standard values are not given, for 3 sigma limits, is written as ____ |
| A. | UCL= ( bar{p}+ sqrt[3]{ frac{ bar{p}(1+ bar{p})}{n}} ) |
| B. | UCL= ( bar{p} sqrt{ frac{ bar{p}(1- bar{p})}{n}} ) |
| C. | UCL= ( bar{p}+ sqrt[3]{ frac{ bar{p}(1- bar{p})}{n}} ) |
| D. | UCL= ( bar{p}- sqrt[3]{ frac{ bar{p}(1- bar{p})}{n}} ) |
| Answer» D. UCL= ( bar{p}- sqrt[3]{ frac{ bar{p}(1- bar{p})}{n}} ) | |
| 8. |
LCL for any p chart when the standard values are given are ________ |
| A. | LCL= (p+ sqrt[3]{ frac{p(1-p)}{n}} ) |
| B. | LCL= (p+3 sqrt{ frac{p(1-p)}{n}} ) |
| C. | LCL= (p-3 sqrt[3]{ frac{p(1-p)}{n}} ) |
| D. | LCL= (p- sqrt{ frac{p(1-p)}{n}} ) |
| Answer» E. | |
| 9. |
The value of L=3 in the genera model of control limits for a Shewhart control chart, explains ____________ |
| A. | There are 3 sigma limits taken |
| B. | There are 3 quality characteristics |
| C. | There are 6 quality characteristics |
| D. | There are 6 sigma limits taken |
| Answer» B. There are 3 quality characteristics | |
| 10. |
Which of these gives a correct equation for the general model for Shewhart control chart for a w quality characteristic statistic? |
| A. | UCL = <sub>w</sub> + L <sub>w</sub> |
| B. | UCL = <sub>w</sub> L <sub>w</sub> |
| C. | LCL = <sub>w</sub> + L <sub>w</sub> |
| D. | LCL = <sub>w</sub> + <sub>w</sub> |
| Answer» B. UCL = <sub>w</sub> L <sub>w</sub> | |