MCQOPTIONS
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MCQOPTIONS
This section includes 16 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. |
Kotz and Lovelace were in strong opposition of _______________ |
| A. | Pp |
| B. | Cp |
| C. | Cpk |
| D. | Cpm |
| Answer» B. Cp | |
| 2. |
‘Cp’ and ‘Cpk’ both can’t be used alone to make decisions about the process centering. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
‘Cpk’ can also be used to determine the process capability of non-normal data. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
What is the value of Cpm? |
| A. | \(C_{pm}=\frac{USL+LSl}{6σ}\) |
| B. | \(C_{pm}=\frac{USL-LSl}{6σ}\) |
| C. | \(C_{pm}=\frac{USL+LSl}{6τ}\) |
| D. | \(C_{pm}=\frac{USL-LSl}{6τ}\) |
| Answer» E. | |
| 5. |
Which of these besides the PCR Cpc can be used to know more about the process centering? |
| A. | Cp |
| B. | Cpm |
| C. | Cpu |
| D. | Cpl |
| Answer» C. Cpu | |
| 6. |
What will be the value of Cpc as σ approaches to zero? |
| A. | Zero |
| B. | One |
| C. | Infinity |
| D. | Minus Infinity |
| Answer» D. Minus Infinity | |
| 7. |
For any fixed value between LSL and USL, Cpk depends _________ on σ. |
| A. | Inversely |
| B. | Directly |
| C. | Negatively |
| D. | Positively |
| Answer» B. Directly | |
| 8. |
Which of these is not desirable to be worked alone with? |
| A. | Cp |
| B. | Cpc |
| C. | Cpk |
| D. | Cpu |
| Answer» D. Cpu | |
| 9. |
What does the second subscript in Cpc? |
| A. | Course |
| B. | Capability |
| C. | Confidence |
| D. | Clarity |
| Answer» D. Clarity | |
| 10. |
What is the value of T in the expression of Cpc? |
| A. | T=\(\frac{1}{2}\)(USL+LSL) |
| B. | T=(USL+LSL) |
| C. | T=\(\frac{1}{3}\)(USL+LSL) |
| D. | T=\(\frac{1}{2}\)(USL-LSL) |
| Answer» B. T=(USL+LSL) | |
| 11. |
How is Cpc expressed? |
| A. | \(C_{pc}=\frac{USL+LSL}{6\sqrt{\frac{π}{2} E|X-T|}}\) |
| B. | \(C_{pc}=\frac{USL-LSL}{6 \sqrt{\frac{π}{2} E|X-T|}}\) |
| C. | \(C_{pc}=\frac{USL-LSL}{6 \sqrt{\frac{π}{2} E|X+T|}}\) |
| D. | \(C_{pc}=\frac{USL-LSL}{\sqrt{\frac{π}{2} E|X-T|}}\) |
| Answer» C. \(C_{pc}=\frac{USL-LSL}{6 \sqrt{\frac{π}{2} E|X+T|}}\) | |
| 12. |
Which of these can be used to analyze the process capability of the process which has the quality characteristic distributed non-normally? |
| A. | Cp |
| B. | Cpk |
| C. | Cpl |
| D. | Cpc |
| Answer» E. | |
| 13. |
If a process actual fallout is 1350 ppm, and its Cp=2.0, what will be its fallout after centering? |
| A. | 1 ppm |
| B. | 4 ppm |
| C. | 0.009 ppm |
| D. | 0.0018 ppm |
| Answer» E. | |
| 14. |
Which of these measures the potential capability of the process? |
| A. | Cp |
| B. | Cpu |
| C. | Cpk |
| D. | Cpl |
| Answer» B. Cpu | |
| 15. |
Which of these measures the actual capability of the process? |
| A. | Cp |
| B. | Cpu |
| C. | Cpk |
| D. | Cpl |
| Answer» D. Cpl | |
| 16. |
To remove the errors in the estimation of the PCR, the _________ is used. |
| A. | Acceptance Sampling |
| B. | Sample mean |
| C. | Sample variance |
| D. | Confidence intervals |
| Answer» E. | |