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| Q. |
Which of the following facts are true for resilience? |
| A. | ability of material to absorb energy when deformed elastically |
| B. | ability to retain deformation under the application of load or after removal of load |
| C. | ability of material to absorb energy when deformed plastically |
| D. | none of the mentioned |
| Answer» A. ability of material to absorb energy when deformed elastically | |
| Explanation: toughness is ability to store energy till proportional limit during deformation and to release this energy when unloaded. | |
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