MCQOPTIONS
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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. |
In metal that is cold-rolled, it is relatively easy to avoid a critical amount of cold work. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Critical deformation may exceed several hundred percent in case of deformation due to easy glide. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is responsible for the orange-peel effect? |
| A. | Large diameter |
| B. | Isotropic nature of the material |
| C. | Anisotropic nature of the material |
| D. | Deformation |
| Answer» D. Deformation | |
| 4. |
If the diameter of the average grain is large, cold working produces _____ |
| A. | smooth surface |
| B. | roughened surface |
| C. | highly tensed surface |
| D. | cracks |
| Answer» C. highly tensed surface | |
| 5. |
Plastic deformation occurs without roughing of the surface if the grain size of the metal is less than _____ in diameter. |
| A. | 0.002 mm |
| B. | 0.05 mm |
| C. | 0.1 mm |
| D. | 1 mm |
| Answer» C. 0.1 mm | |
| 6. |
The critical deformation is not dependent on ______ |
| A. | material properties |
| B. | tension |
| C. | torsion |
| D. | compression |
| Answer» B. tension | |
| 7. |
The critical amount of cold work is the ______ |
| A. | minimum amount of cold work that allows recrystallization |
| B. | maximum amount of cold work that allows recrystallization |
| C. | amount of cold work need to recover the specimen |
| D. | amount of cold work needed to increase the yield strength by 10 MPa |
| Answer» B. maximum amount of cold work that allows recrystallization | |
| 8. |
The grain size grows rapidly with decreasing ______ |
| A. | temperature |
| B. | deformation |
| C. | yield strength |
| D. | hardness |
| Answer» C. yield strength | |
| 9. |
The recrystallized grain size is the crystal size immediately at the end of ______ |
| A. | polygonization |
| B. | deformation |
| C. | recrystallization |
| D. | 1 hr from the start of the recrystallization |
| Answer» D. 1 hr from the start of the recrystallization | |
| 10. |
Polygonization is essentially completed before the start of ______ |
| A. | solidification |
| B. | recrystallization |
| C. | cooling |
| D. | grain growth |
| Answer» C. cooling | |