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| Q. |
The colloidal content in BC soils can be up to |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50% |
| Answer» D. 50% | |
| Explanation: the colloidal content in the soil may be up 50%, which is an undesirable property for pavement. | |
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