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. |
Creep rate is higher for -iron than for -iron. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is the rate controlling factor in high temperature creep? |
| A. | Dislocation glide |
| B. | Grain boundary sliding |
| C. | Dislocation climb |
| D. | Slip |
| Answer» D. Slip | |
| 3. |
Which of the following is a secondary deformation process? |
| A. | Slip |
| B. | Subgrain formation |
| C. | Grain boundary sliding |
| D. | Multiple slips |
| Answer» E. | |
| 4. |
Which of the following is a principal deformation process? |
| A. | Multiple slips |
| B. | Kink bands formation |
| C. | Subgrain formation |
| D. | Fold formation |
| Answer» D. Fold formation | |
| 5. |
_________ is a creep recovery process. |
| A. | Subgrain formation |
| B. | Dislocation pile up |
| C. | Grain boundary migration |
| D. | Slip |
| Answer» D. Slip | |
| 6. |
Slip band spacing _________ with increasing stress. |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | First increases, then decrease |
| Answer» C. Remains constant | |
| 7. |
On _________ temperature slip may also occur on non-close packed planes. |
| A. | Sub-zero |
| B. | Elevated |
| C. | Melting |
| D. | Low |
| Answer» C. Melting | |