

MCQOPTIONS
Saved Bookmarks
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 | |