MCQOPTIONS
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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. |
IF_THE_PROCESS_CAPABILITY_RATIO_CP_IS_1.532,_WHAT_PERCENTAGES_OF_THE_SPECIFICATION_BAND_WILL_BE_USED_BY_THE_PROCESS??$ |
| A. | 65.27% |
| B. | 75.11% |
| C. | 44.21% |
| D. | 21.42% |
| Answer» B. 75.11% | |
| 2. |
For a process, the process standard deviation is 32. If the mean of the process is 364, and the upper specification limit is 400, what will be the one side process capability ratio which uses USL of the quality characteristic?$ |
| A. | 1.242 |
| B. | 1.135 |
| C. | 1.125 |
| D. | 0.991 |
| Answer» D. 0.991 | |
| 3. |
Increase in process capability ratio Cp states that there is a increase in the percentage of the specification band used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Process capability ratio Cp cannot be zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
If the estimate of the process standard deviation is 0.1368, and the USL for the quality characteristic is 2.00, and the LSL=2.00, what will be the value of the estimate of PCR Cp is __? |
| A. | 1.21 |
| B. | 1.19 |
| C. | 1.13 |
| D. | 1.31 |
| Answer» C. 1.13 | |
| 6. |
How is s (Sample standard deviation) calculated? |
| A. | s = <span style="text-decoration:overline;">R</span>/2 |
| B. | s = <span style="text-decoration:overline;">R</span>/2d<sub>2</sub> |
| C. | s = <span style="text-decoration:overline;">R</span>/d<sub>2</sub> |
| D. | s = 2<span style="text-decoration:overline;">R</span>/d<sub>2</sub> |
| Answer» D. s = 2<span style="text-decoration:overline;">R</span>/d<sub>2</sub> | |
| 7. |
We use ____ to calculate the estimate of the process standard deviation. |
| A. | Sample standard deviation |
| B. | Sample average |
| C. | Sample variance |
| D. | Sample mean |
| Answer» B. Sample average | |
| 8. |
When the process standard deviation σ is unknown for a process, to calculate the PCR we use ____$ |
| A. | The mean |
| B. | The variance |
| C. | The sample average |
| D. | The estimate of σ |
| Answer» E. | |
| 9. |
The LSL in the Cp is called ____________ |
| A. | Lower safe limit |
| B. | Largest safe limit |
| C. | Largest specification limit |
| D. | Lower specification limit |
| Answer» E. | |
| 10. |
USL in the formula of PCR is _____ |
| A. | Upper safe limit |
| B. | Ultimate safe limit |
| C. | Upper specification limit |
| D. | Ultimate specification limit |
| Answer» D. Ultimate specification limit | |