MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Two edge dislocation of opposite sign lies in parallel slip angle with an angle of 55 degrees with each other. What will the nature of force between these two dislocations? |
| A. | Attractive |
| B. | Repulsive |
| C. | Neither attractive nor repulsive |
| D. | Cannot predict with given information |
| Answer» C. Neither attractive nor repulsive | |
| 2. |
Two edge dislocation of same sign lies in parallel slip angle with an angle of 30 degrees with each other. What will the nature of force between these two dislocations? |
| A. | Attractive |
| B. | Repulsive |
| C. | Neither attractive nor repulsive |
| D. | Cannot predict with given information |
| Answer» C. Neither attractive nor repulsive | |
| 3. |
The stacking fault energy of aluminium is 200 mJ m-2. Find the equilibrium spacing between partial dislocation of aluminium. If the shear modulus of the material is 27 GPa and lattice parameter is 3.57 A°. |
| A. | 20 A° |
| B. | 1000 A° |
| C. | 1 A° |
| D. | 20 micron |
| Answer» B. 1000 A° | |