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. |
It is impossible to get desired values of , , , and in the acceptance control charts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Low type I error probability is obtained when 2-sigma limits are used for modified control chart. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
2-sigma limits are recommended for the modified control charts. Which of these is not one of the reasons for this? |
| A. | The spread must be low |
| B. | The limits must be greater than the spread |
| C. | Gives smaller -risk |
| D. | Gives higher -risk |
| Answer» E. | |
| 4. |
Modified control chart design is not based upon ____________ |
| A. | Type I error probability |
| B. | Sample size n |
| C. | Type II error probability |
| D. | Process fraction nonconforming |
| Answer» D. Process fraction nonconforming | |
| 5. |
if = 0.01, =0.00135, =0.05, and =0.2, what will be the sample size for the desired values of these? |
| A. | n=38 |
| B. | n=2 |
| C. | n=32 |
| D. | n=45 |
| Answer» D. n=45 | |
| 6. |
What is the expression for n which gives desired values of , , , and for any acceptance control chart? |
| A. | (n= left( frac{Z_ -Z_ }{Z_ +Z_ } right)^2 ) |
| B. | (n= left( frac{Z_ +Z_ }{Z_ +Z_ } right)^2 ) |
| C. | (n= left( frac{Z_ -Z_ }{Z_ -Z_ } right)^2 ) |
| D. | (n= left( frac{Z_ +Z_ }{Z_ -Z_ } right)^2 ) |
| Answer» C. (n= left( frac{Z_ -Z_ }{Z_ -Z_ } right)^2 ) | |
| 7. |
When the values of and are specified instead of the and , what is the position of UCL of the acceptance control charts? |
| A. | Between USL and <sub>U</sub> |
| B. | Between LSL and <sub>U</sub> |
| C. | Between <sub>L</sub> and USL |
| D. | Between <sub>L</sub> and LSL |
| Answer» B. Between LSL and <sub>U</sub> | |
| 8. |
When the values of n, , and , are specified, the LCL of the acceptance control charts, lie in between ________ |
| A. | <sub>L</sub> And USL |
| B. | <sub>L</sub> And LSL |
| C. | USL And <sub>U</sub> |
| D. | LSL And <sub>U</sub> |
| Answer» C. USL And <sub>U</sub> | |
| 9. |
When n, , and are specified, the values of control limits are between ________ |
| A. | <sub>L</sub> And <sub>U</sub> |
| B. | LSL And <sub>U</sub> |
| C. | <sub>L</sub> And USL |
| D. | <sub>L</sub> And LSL |
| Answer» B. LSL And <sub>U</sub> | |
| 10. |
What is the value of the LCL of the acceptance control chart when sample size n and the fraction nonconforming for 1- probability of rejection are specified? |
| A. | (LCL=LSL- left(Z_ + frac{Z_ }{ sqrt{n}} right) ) |
| B. | (LCL=LSL- left(Z_ - frac{Z_ }{ sqrt{n}} right) ) |
| C. | (LCL=LSL+ left(Z_ - frac{Z_ }{ sqrt{n}} right) ) |
| D. | (LCL=LSL+ left(Z_ + frac{Z_ }{ sqrt{n}} right) ) |
| Answer» E. | |
| 11. |
What is the UCL of the acceptance control chart when the sample size n, the fraction nonconforming are specified? |
| A. | (UCL=USL- left(Z_ + frac{Z_ }{ sqrt{n}} right) ) |
| B. | (UCL=USL+ left(Z_ - frac{Z_ }{ sqrt{n}} right) ) |
| C. | (UCL=USL+ left(Z_ + frac{Z_ }{ sqrt{n}} right) ) |
| D. | (UCL=USL- left(Z_ - frac{Z_ }{ sqrt{n}} right) ) |
| Answer» B. (UCL=USL+ left(Z_ - frac{Z_ }{ sqrt{n}} right) ) | |
| 12. |
How many approaches can be used to develop the acceptance control charts? |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 5 |
| Answer» B. 1 | |
| 13. |
Which of the error probability does the acceptance control chart take into account? |
| A. | Type I |
| B. | Type II |
| C. | Neither of the type I not the type II |
| D. | Both, type I and type II |
| Answer» E. | |