MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the porosity percentage in gravel? |
| A. | 30 – 40 % |
| B. | 50 – 60 % |
| C. | 10 – 20 % |
| D. | 1 – 10 % |
| Answer» B. 50 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 60 % | |