MCQOPTIONS
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MCQOPTIONS
| 1. |
How can effective horizontal comPressive stress be calculated? |
| A. | 0.007 D P<sub>r</sub> |
| B. | ( <sub>v</sub> P<sub>r</sub>) . / ( -1) |
| C. | 0.07 D |
| D. | 0.72 D P<sub>r</sub> |
| Answer» C. 0.07 D | |