MCQOPTIONS
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MCQOPTIONS
| 1. |
The minimum crushing strength of third class brick is: |
| A. | 3.5 N/mm<sup>2</sup> |
| B. | 7 N/mm<sup>2</sup> |
| C. | 10 N/mm<sup>2</sup> |
| D. | 20 N/mm<sup>2</sup> |
| Answer» B. 7 N/mm<sup>2</sup> | |