MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Pile up of dislocations causes strain hardening. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The slope of stress-strain curve in plastic range is _____ |
| A. | Rate of strain hardening |
| B. | Bauschinger effect |
| C. | True strain |
| D. | Resolved shear stress |
| Answer» B. Bauschinger effect | |
| 3. |
Value of CRSS ____ with increasing impurity contents in a metal crystal. |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | May increase or decrease |
| Answer» B. Decreases | |
| 4. |
Value of CRSS for HCP crystal _____ with increasing temperature. |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | First decreases then remain unaffected |
| Answer» E. | |
| 5. |
What is interplanar spacing for {1 1 0} planes in BCC? |
| A. | a/ 3 |
| B. | a/2 2 |
| C. | a/2 |
| D. | a/ 2 |
| Answer» C. a/2 | |
| 6. |
What is interplanar spacing for {1 1 1} planes in BCC? |
| A. | a/2 3 |
| B. | a/ 2 |
| C. | a/2 |
| D. | a 3/2 |
| Answer» B. a/ 2 | |
| 7. |
What is the atomic density on the prismatic plane? |
| A. | 1/a<sup>2</sup> |
| B. | 2/ac |
| C. | 2/a<sup>2</sup> |
| D. | 2/ 3a<sup>2</sup> |
| Answer» C. 2/a<sup>2</sup> | |