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The total irrigation depth of water, required by a certain crop in its entire growing period (150 days), is 25.92 cm. The culturable command area for a distributary channel is 100,000 hectares. The distributary channel shall be designed for a discharge.
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- less than 2 cumecs
- 2 cumecs
- 20 cumecs
- more than 20 cumecs
Correct Option: D
| Duty, D = | = | = 5000 ha/cumec | ||
| Δ | 0.2592 |
| Discharge, Q = | = | = 20 cumec | ||
| D | 5000 |
cumec Canal is designed for more than 20 cumec to account for capanty factor and time factor.
