MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following option is true for given statements about expanded uncertainty and coverage factor?Statement 1: Last calculation is the expanded uncertainty when estimating uncertainty in measurement.Statement 2: In metrology industry, the mostly used value of the coverage factor is 2. |
| A. | T, F |
| B. | F, F |
| C. | T, T |
| D. | F, T |
| Answer» D. F, T | |
| 2. |
What is the confidence interval for the value of coverage factor ‘2’? |
| A. | 95 % |
| B. | 94 % |
| C. | 95.45 % |
| D. | 94.45 % |
| Answer» D. 94.45 % | |
| 3. |
What is the formula for relative expanded uncertainty? |
| A. | U<sub>r</sub> = U/| y | |
| B. | U<sub>r</sub> = U/y |
| C. | U<sub>r</sub> = U*| y | |
| D. | U<sub>r</sub> = U*2y |
| Answer» B. U<sub>r</sub> = U/y | |
| 4. |
Which option is not correct about coverage factor? |
| A. | It is a number which is generally larger than 1 |
| B. | Range – 2 to 7 |
| C. | Can be calculated by using MS excel |
| D. | Depends on the selected coverage probability |
| Answer» C. Can be calculated by using MS excel | |
| 5. |
What is the value of coverage factor which is generally used in the manufacturing industry? |
| A. | 2 |
| B. | 2.89 |
| C. | 3 |
| D. | 3.89 |
| Answer» E. | |
| 6. |
Which table is generally used to find the coverage factor? |
| A. | Student’s T table |
| B. | F distribution table |
| C. | Wishart distribution table |
| D. | Tau distribution table |
| Answer» B. F distribution table | |
| 7. |
What is the confidence interval for the value of coverage factor ‘2’?$ |
| A. | 95 % |
| B. | 94 % |
| C. | 95.45 % |
| D. | 94.45 % |
| Answer» D. 94.45 % | |
| 8. |
What is the relation of expanded uncertainty with coverage factor and combined uncertainty? |
| A. | Expanded uncertainty = Coverage factor * Combined uncertainty |
| B. | Combined uncertainty = Coverage factor * Expanded uncertainty |
| C. | Coverage factor = Combined uncertainty * Expanded uncertainty |
| D. | Coverage factor * Combined uncertainty * Expanded uncertainty = 1 |
| Answer» B. Combined uncertainty = Coverage factor * Expanded uncertainty | |
| 9. |
What is the actual definition of expanded uncertainty? |
| A. | Uncertainty of the measurement result expressed as a standard deviation |
| B. | Quantity defining an interval about the measurement result |
| C. | Evaluation method of uncertainty by the statistical analysis of series of observations |
| D. | Uncertainty Evaluation method by other than the statistical analysis |
| Answer» C. Evaluation method of uncertainty by the statistical analysis of series of observations | |