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Civil Draftsman Practice Test: Irrigation
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Civil Draftsman Practice Test: Irrigation
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25 Questions

1. Which crops are sown in autumn in harvested in spring?
2. What is marked as 'x'?
3. Precipitation includes all the given following except-
4. What is the name of the structure placed in river to increase the depth of water?
5. Which irrigation method water is supplied to lower level by the action of gravity?
6. What is the main advantage of irrigation?
7. What is the time between first watering of a crop on sowing to its last watering before harvesting?
8. What is the life period of thermal plant?
9. What is the unit for measuring rainfall?
10. Which of the following is non rigid dam?
11. Which construction is at the head of the canal to divert the river water towards the canal?
12. Which is the main function of diversion head work of a canal?
13. What is the name of the impervious barrier constructed across a perennial river to raise the water level on the upstream side?
14. Which is the sheet of over flowing water?
15. Intensity of irrigation means –
16. Gravity dam is roughly in _________shape.
17. What is the first watering before sowing the crop?
18. Which is called safety valve of a dam?
19. Which irrigation constant and continuous supply of water is assured throughout the crop period?
20. Evapotranspiration depends on –
21. When a canal is carried over a natural drainage, the structure is called__________ .
22. Which is the main factor for selection of site for a reservoir?
23. What is the name for accumulation of water in the form of an artificial lake?
24. What is the classification of dam based on use?
25. Irrigation is an_________ art of supplying water to the field.

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