MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Foreign atoms lowers the recrystallization rates. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Annealing of a slightly deformed metal specimen can lead to a localized, very coarse-grain growth. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
_____ is the driving force for grain growth. |
| A. | Strain |
| B. | Surface energy |
| C. | Recrystallization |
| D. | Surface hardness |
| Answer» C. Recrystallization | |
| 4. |
Decreasing the grain size increases the _____ |
| A. | recrystallization time |
| B. | nucleation rate |
| C. | grain boundary area |
| D. | recrystallization temperature |
| Answer» D. recrystallization temperature | |
| 5. |
The increase in the recrystallization temperature caused due to foreign atoms depends on _____ |
| A. | nature of foreign atoms |
| B. | temperature of foreign atoms |
| C. | size of foreign atoms |
| D. | electronegativity of foreign atoms |
| Answer» B. temperature of foreign atoms | |
| 6. |
Which of the following materials has rapid rates of recrystallization? |
| A. | Pure metals |
| B. | Alloys |
| C. | Ductile metals |
| D. | Coinage metal |
| Answer» B. Alloys | |
| 7. |
The rate of recrystallization is dependent upon how many variables? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | It is an independent value |
| Answer» D. It is an independent value | |
| 8. |
The ratio N to G decreases in magnitude with decreasing _____ |
| A. | temperature |
| B. | stress |
| C. | strain |
| D. | grain size |
| Answer» D. grain size | |
| 9. |
Many nuclei will form before the recrystallization process is completed if the ratio of the rate of nucleation to the rate of growth is _____ |
| A. | high |
| B. | low |
| C. | equal to 1 |
| D. | higher than rate of grain growth |
| Answer» B. low | |
| 10. |
The ratio of ______ is frequently used in the interpretation of recrystallization data. |
| A. | yield strength of test specimen and standard specimen |
| B. | temperature and time |
| C. | rate of nucleation and rate of growth |
| D. | rate of recrystallization and polygonization |
| Answer» D. rate of recrystallization and polygonization | |