1. | The height of dowel above the road level should not be more than ? | |
2. | When the difference in weir crest and downstream river bed is limited into 3 metres, generally used is ? | |
3. | Which of the following statement is wrong ? | |
4. | A canal outlet should ? | |
5. | In a barrage, crest level is kept ? | |
6. | The method used for training of rivers is ? | |
7. | Gibb's module is a type of ? | |
8. | A solid construction put across the river to raise its water level and divert the water into canal, is known as ? | |
9. | The whole period of cultivation from the time when irrigation water is first supplied for preparation of the ground to its last watering before harvesting, is called ? | |
10. | For irrigation purposes, the p-H value of water should be ? | |