MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Nabarro-Herring creep predicts a strain rate which is a function of _____ |
| A. | D |
| B. | D<sup>-2</sup> |
| C. | D<sup>-3</sup> |
| D. | D<sup>-1</sup> |
| Answer» D. D<sup>-1</sup> | |
| 2. |
Creep occurs only at high temperatures. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which statement is correct regarding creep strength? |
| A. | Wrought materials have higher creep strength than cast materials |
| B. | With an increase in temperature, steady state creep rate decreases |
| C. | Creep strength can be improved by precipitation hardening |
| D. | Aromatic rings in polymer decrease creep strength |
| Answer» D. Aromatic rings in polymer decrease creep strength | |
| 4. |
Crosslinking in Polymers increases creep strength. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following factors is inversely proportional to the magnitude of creep? |
| A. | Temperature |
| B. | Time |
| C. | Grain size |
| D. | Stress |
| Answer» D. Stress | |