MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What can be the unit of dislocation density? |
| A. | mm-2 |
| B. | mm-3 |
| C. | mm2 |
| D. | mm |
| Answer» B. mm-3 | |
| 2. |
What is the dislocation in which the line direction and Burgers vector are neither perpendicular nor parallel? |
| A. | Screw dislocation |
| B. | Edge dislocation |
| C. | Jog dislocation |
| D. | Mixed dislocation |
| Answer» E. | |
| 3. |
WHAT_IS_THE_DISLOCATION_IN_WHICH_THE_LINE_DIRECTION_AND_BURGERS_VECTOR_ARE_NEITHER_PERPENDICULAR_NOR_PARALLEL??$ |
| A. | Screw dislocation |
| B. | Edge dislocation |
| C. | Jog dislocation |
| D. | Mixed dislocation |
| Answer» E. | |
| 4. |
What_can_be_the_unit_of_dislocation_density?$ |
| A. | mm<sup>-2</sup> |
| B. | mm<sup>-3</sup> |
| C. | mm<sup>2</sup> |
| D. | mm |
| Answer» B. mm<sup>-3</sup> | |
| 5. |
Which of the following dislocation can glide but not climb? |
| A. | Screw dislocation |
| B. | Edge dislocation |
| C. | Jog dislocation |
| D. | Mixed dislocation |
| Answer» B. Edge dislocation | |
| 6. |
Which of the following is fields are present for screw dislocation? |
| A. | Tensile |
| B. | Compressive |
| C. | Shear stress |
| D. | Strain |
| Answer» D. Strain | |
| 7. |
Which of the following is fields are not present for edge dislocation? |
| A. | Tensile |
| B. | Compressive |
| C. | Shear stress |
| D. | Strain |
| Answer» E. | |
| 8. |
In edge dislocation, a helical path is traced around the dislocation line. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
In which type of dislocation planes are displaced relative to each other through shear? |
| A. | Edge dislocation |
| B. | Screw dislocation |
| C. | Jog dislocation |
| D. | Mixed dislocation |
| Answer» C. Jog dislocation | |
| 10. |
What is the difference between the angle of Burgers vector and dislocation line in edge dislocation and screw dislocation? |
| A. | -90 degrees |
| B. | 0 degrees |
| C. | 45 degrees |
| D. | 90 degrees |
| Answer» E. | |
| 11. |
In which type of dislocation an extra plane is inserted inside the crystal? |
| A. | Edge dislocation |
| B. | Screw dislocation |
| C. | Jog dislocation |
| D. | Mixed dislocation |
| Answer» B. Screw dislocation | |
| 12. |
Edge dislocation and skew dislocation are linear crystalline defects. |
| A. | True |
| B. | False |
| Answer» B. False | |