MCQOPTIONS
Saved Bookmarks
This section includes 14 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. |
WHAT_IS_THE_MINIMUM_VALUE_OF_PROCESS_CAPABILITY_RATIO_CP_FOR_ONE_SIDED_SPECIFICATIONS,_FOR_A_NEW_PROCESS_WHICH_IS_NORMALLY_DISTRIBUTED??$ |
| A. | 1.45 |
| B. | 1.19 |
| C. | 1.72 |
| D. | 1.5 |
| Answer» B. 1.19 | |
| 2. |
Which of these is a necessary assumption made for the calculation of the PCR Cp?$ |
| A. | The quality characteristic has a normal distribution |
| B. | The quality characteristic has a lognormal distribution |
| C. | The quality characteristic has an exponential distribution |
| D. | The quality characteristic has a Poisson distribution |
| Answer» B. The quality characteristic has a lognormal distribution | |
| 3. |
If the quality characteristic in consideration is a strength parameter of the existing process, what will be the minimum value of Cp for two sided specifications for this?$ |
| A. | 1.22 |
| B. | 1.52 |
| C. | 1.50 |
| D. | 1.36 |
| Answer» D. 1.36 | |
| 4. |
For the calculation of the PCR Cp the process mean must be centered in the case of two-sided specifications. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
For calculating the PCR Cp, the process should be in statistical control. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What is the value of process fallout in defectives ppm for one sided specifications of a PCR Cp= 1.10? |
| A. | 484 |
| B. | 201 |
| C. | 2700 |
| D. | 100 |
| Answer» B. 201 | |
| 7. |
What is the minimum two – sided specification PCR for the safety parameter for a new process?$ |
| A. | 1.48 |
| B. | 1.45 |
| C. | 1.67 |
| D. | 1.32 |
| Answer» D. 1.32 | |
| 8. |
What is generally the minimum value of two sided specification PCR Cp for a existing process? |
| A. | 1.11 |
| B. | 1.33 |
| C. | 1.89 |
| D. | 1.60 |
| Answer» C. 1.89 | |
| 9. |
A correct interpretation of the PCR Cp does not need the consideration of ____ of process. |
| A. | Operator |
| B. | Mean |
| C. | Variance |
| D. | Stability |
| Answer» B. Mean | |
| 10. |
A process capability ratio Cp=_____ indicates the fallout rate of 1 ppm for one-sided specifications for a normally distributed process. |
| A. | 1.2 |
| B. | 1.8 |
| C. | 1.9 |
| D. | 1.6 |
| Answer» E. | |
| 11. |
A PCR Cp=1.00 indicates the fallout rate of ____ ppm for two-sided specifications. |
| A. | 2 |
| B. | 7 |
| C. | 967 |
| D. | 2700 |
| Answer» E. | |
| 12. |
The process fallout (in ppm) ____ with increase in the process capability ratio Cp, for a normally distributed process. |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | Can’t be described an increase or decrease |
| Answer» C. Remains same | |
| 13. |
PCR is a measure of ___ |
| A. | The ability of the process to manufacture the products that meet the specifications |
| B. | The ability of the operator to remove the variability |
| C. | The probability of the mean to be equal to the USL |
| D. | The probability of the mean to be equal to the LSL |
| Answer» B. The ability of the operator to remove the variability | |
| 14. |
If the LSL of the quality characteristic increases, the process capability ratio Cp will ___ |
| A. | Increase |
| B. | Decrease |
| C. | Will remain same |
| D. | Can’t say (can increase as well as decrease) |
| Answer» C. Will remain same | |