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This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Phenomenon of cross slip occurs in ________ |
A. | Point imperfections |
B. | Line imperfections |
C. | Volume imperfections |
D. | Surface imperfections |
Answer» C. Volume imperfections | |
2. |
As the grain size of a meal increases, its ductility ________ |
A. | Decreases |
B. | Increases |
C. | Remains constant |
D. | No effect of grain size on ductility |
Answer» B. Increases | |
3. |
As the grain size of a metal increases, its strength ________ |
A. | Decreases |
B. | Increases |
C. | Remains constant |
D. | No effect of grain size on strength |
Answer» B. Increases | |
4. |
Twin or Twinning is a category of ________ |
A. | Point imperfections |
B. | Line imperfections |
C. | Volume imperfections |
D. | Surface imperfections |
Answer» D. Surface imperfections | |
5. |
Which one of the following is not a zero-dimensional defect? |
A. | Vacancy defect |
B. | Substitution imperfection |
C. | Schottky’s defect |
D. | Screw dislocation |
Answer» E. | |
6. |
When a pair of cation and anion are missing in a crystal, it is called ____________ |
A. | Vacancy defect |
B. | Line imperfection |
C. | Schottky’s defect |
D. | Frenkel defect |
Answer» D. Frenkel defect | |
7. |
Displacement of an ion from regular location to interstitial location is known as ____________ |
A. | Vacancy defect |
B. | Line imperfection |
C. | Schottky’s defect |
D. | Frenkel defect |
Answer» E. | |
8. |
Edge dislocation imperfection is a sub type of _____________ |
A. | Point imperfections |
B. | Line imperfections |
C. | Volume imperfections |
D. | Surface imperfections |
Answer» C. Volume imperfections | |
9. |
Vacancy defects in solids is a sub type of __________ |
A. | Point imperfections |
B. | Line imperfections |
C. | Volume imperfections |
D. | Surface imperfections |
Answer» B. Line imperfections | |
10. |
AS_GRAIN_SIZE_OF_METAL_INCREASES,_DUCTILITY_OF_METAL:?$ |
A. | Decreases |
B. | Increases |
C. | remains constant |
D. | None of the mentioned |
Answer» C. remains constant | |
11. |
Phenomenon_of_cross_slip_occurs_in:$ |
A. | Point Imperfections |
B. | Line Imperfections |
C. | Volume Imperfections |
D. | Surface Imperfections |
Answer» C. Volume Imperfections | |
12. |
As grain size of metal increases, Strength of metal? |
A. | Decreases |
B. | Increases |
C. | Remains constant |
D. | None of the mentioned |
Answer» B. Increases | |
13. |
Twin or Twinning is a category of: |
A. | Point Imperfections |
B. | Line Imperfections |
C. | Volume Imperfection |
D. | Surface Imperfection |
Answer» E. | |
14. |
Which one of the following is not zero dimensional defects? |
A. | Vacancy defect |
B. | Substitution Imperfection |
C. | Schottky’s defect |
D. | Screw dislocation |
Answer» E. | |
15. |
When a pair of cation and anion is absent from crystal, it is called: |
A. | Vacancy defect |
B. | Line Imperfection |
C. | Schottky’s defect |
D. | Frenkel defect |
Answer» D. Frenkel defect | |
16. |
Displacement of an ion from regular location to interstitial location is known as: |
A. | Vacancy defect |
B. | Line Imperfection |
C. | Schottky’s defect |
D. | Frenkel defect |
Answer» E. | |
17. |
Edge dislocation Imperfection is a sub type of: |
A. | Point Imperfections |
B. | Line Imperfections |
C. | Volume Imperfection |
D. | Surface Imperfection |
Answer» C. Volume Imperfection | |
18. |
Substitution of a foreign atom in the site of parent atom in the crystal is a? |
A. | Vacancy defect |
B. | Substitution Impurity |
C. | Volume Imperfection |
D. | Vacancy defect |
Answer» C. Volume Imperfection | |
19. |
Vacancy defects in solids is a sub type of : |
A. | Point Imperfections |
B. | Line Imperfections |
C. | Volume Imperfection |
D. | Surface Imperfection |
Answer» B. Line Imperfections | |