Irrigation Engineering Online Test – Paper 2

1. Sediment deposit in a reservoir can be reduced by

2. *A silt regulator located at the head of a channel is called

3. *Hydrograph is the graphical representation of

4. The type of fall suitable for any discharge is

5. The method for training of rivers is

6. Gibb's module is a type of

7. *Attracting type spurs

8. *The maximum failure of earthen dams occurs due to

9. As compared to a gravity dam, earthen dams

10. *Groynes are generally provided

11. Find the culturable command area from the following data. GCA = 400 Ha, wheat = 200 Ha, maize = 50 Ha, paddy = 100 Ha, barren land = 50 Ha

12. In an earthen dam, seepage through the foundation is controlled by providing

13. According to Khosla's theory, the exit gradient in the absence of a downstream cutoff is

14. A canal used to drain off water from waterlogged areas is

15. *Water-holding capacity of clay is

16. *The main function of the diversion headworks of a canal from a river is

17. An impervious wall inside an earthen dam to reduce seepage is known as

18. Optimum depth of kor watering for a rice crop is

19. The angle between the head regulator and the water, for smooth entry of water into a canal, is generally kept at

20. In a gravity canal, F.S.L is always

21. A contour canal

22. *Total losses in the canal are

23. A minimum of 90 cm freeboard is provided if the discharge in the canal is

24. *Weed growth in a canal leads to

25. Trap efficiency of a reservoir is a function of

26. *Which of the following is not a cross drainage work?

27. The crest level of an emergency spillway is kept as

28. Hydrodynamic pressure due to an earthquake acts at a height of

29. Cross walls provided across the stream, built under the floor of a hydraulic structure at the upstream and downstream ends of the pavement to avoid scour and protect floors, abutments etc., and which is carried up to another, is called

30. For syphon aqueducts, the highest flood level of the drain is