MCQOPTIONS
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| 1. |
If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then |
| A. | d = 0.445 a |
| B. | 0.557 a |
| C. | d = 0.775 a |
| D. | none of these. |
| Answer» D. none of these. | |