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. |
The defects which affect the proper working of the unit in the service arena, are called ____________ |
| A. | Appearance Defects |
| B. | Functional Defects |
| C. | Specification Defects |
| D. | Aspect defects |
| Answer» C. Specification Defects | |
| 2. |
For construction of the control charts for nonconformities, the inspection unit must be same for each sample. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
A serious defect is defined as the defect which makes the unit totally unfit for use. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
What is the value of the center line of the demerits per unit? |
| A. | \(\bar{u}+3\sqrt{\bar{u}}\) |
| B. | \(\bar{u}\) |
| C. | \(\bar{u}+\frac{1}{2}\sqrt{\bar{u}}\) |
| D. | \(\bar{u}-3\sqrt{\bar{u}}\) |
| Answer» C. \(\bar{u}+\frac{1}{2}\sqrt{\bar{u}}\) | |
| 5. |
The upper control limit for the demerits per unit chart is given by _____ |
| A. | UCL = \(\bar{u}-3\widehat{σ_u}\) |
| B. | UCL = \(\bar{u}+3\widehat{σ_u}\) |
| C. | UCL = \(\bar{u}+\widehat{σ_u}\) |
| D. | UCL = \(\bar{u}-\widehat{σ_u}\) |
| Answer» C. UCL = \(\bar{u}+\widehat{σ_u}\) | |
| 6. |
If there are 8, 12, 11, 3, 6 demerits in sample number 1, 2, 3, 4, and 5 respectively, what will be the demerits per units for the mentioned output? |
| A. | 8 |
| B. | 11 |
| C. | 3 |
| D. | 5 |
| Answer» B. 11 | |
| 7. |
The number of demerits in a system having ciA,ciB,ciC,and ciD defects in classes A, B, C, and D respectively is expressed by ______ It is assumed that the probability of each defect varies according to a Poisson distribution. |
| A. | di = 100ciD + 50ciB + 10ciC + ciA |
| B. | di = 100ciA + 50ciB + 10ciC + ciD |
| C. | di = 100ciB + 50ciA + 10ciC + ciD |
| D. | di = 100ciA + 50ciC + 10ciB + ciD |
| Answer» C. di = 100ciB + 50ciA + 10ciC + ciD | |
| 8. |
Moderate defects are classified into which class of demerit system? |
| A. | Class B |
| B. | Class C |
| C. | Class D |
| D. | Class A |
| Answer» B. Class C | |
| 9. |
The minor finish, appearance, or quality of work defects are generally classified in _____ of the demerit system. |
| A. | Class A |
| B. | Class D |
| C. | Class C |
| D. | Class B |
| Answer» C. Class C | |
| 10. |
The minor defects are put into class ____________ of the demerit system. |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 11. |
The Class A defects are ____________ |
| A. | Moderate |
| B. | Minor |
| C. | Serious |
| D. | Very Serious |
| Answer» E. | |
| 12. |
Serious defects are put into which class according to the Demerit system for attribute data? |
| A. | Class C |
| B. | Class D |
| C. | Class A |
| D. | Class B |
| Answer» E. | |
| 13. |
In a demerit system for defects, how many classes are defined for defects to be classified? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 8 |
| Answer» C. 5 | |
| 14. |
In the average sample size approach to design u-chart with variable sample size, which of these is used to calculate the average sample size? |
| A. | \(\bar{n}=\frac{\sum_{i=0}^m n_i}{m}\) |
| B. | \(\bar{n}=\frac{\sum_{i=1}^m u_i}{2m}\) |
| C. | \(\bar{n}=\frac{\sum_{i=1}^m n_i}{m}\) |
| D. | \(\bar{n}=\frac{\sum_{i=1}^n u_i}{m}\) |
| Answer» D. \(\bar{n}=\frac{\sum_{i=1}^n u_i}{m}\) | |
| 15. |
The method of average sample size is used when there is _____ |
| A. | Variable sample size |
| B. | Constant sample size |
| C. | Sample size=1 |
| D. | Sample Size=10 |
| Answer» B. Constant sample size | |
| 16. |
If there is variable sample size to be used with the u-chart or average number of nonconformity per unit chart, which of these methods, is used? |
| A. | DMAIC |
| B. | Designing of Experiments |
| C. | Acceptance sampling |
| D. | Standardized control chart |
| Answer» E. | |