MCQOPTIONS
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| 1. |
The tensile stresses developed in steel by the expansion of concrete are about: |
| A. | 850n/mm<sup>2</sup> |
| B. | 250n/mm<sup>2</sup> |
| C. | 600n/mm<sup>2</sup> |
| D. | 500n/mm<sup>2</sup> |
| Answer» B. 250n/mm<sup>2</sup> | |