MCQOPTIONS
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| 1. |
The length of horizontal blanket should be equal to _________________ |
| A. | 3 times the height of the dam |
| B. | 4 times the height of the dam |
| C. | 5 times the height of the dam |
| D. | 6 times the height of the dam |
| Answer» B. 4 times the height of the dam | |