MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the fracture toughness of aluminum alloy? |
| A. | 2 J m<sup>-2</sup> |
| B. | 3 J m<sup>-2</sup> |
| C. | 4 J m<sup>-2</sup> |
| D. | 6 J m<sup>-2</sup> |
| Answer» C. 4 J m<sup>-2</sup> | |