MCQOPTIONS
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| 1. |
_ The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after$? |
| A. | 50 years |
| B. | 150 years |
| C. | 200 years |
| D. | 250 years |
| Answer» B. 150 years | |