Irrigation Engineering Online Test – Paper 3

1. On rolling land, the method of applying water is

2. For a proportional outlet, the flexibility is

3. Canals taken off from ice-fed perennial rivers are known as

4. *The major resisting force in a gravity dam is

5. If the top width is provided for the roadway, the resultant force for full reservoir condition will

6. Which of the following is not a Rabi crop?

7. The factor affecting the pattern of sediment deposition in a reservoir is

8. The methods used for drilling a tube well in compacted rock materials is

9. The retaining wall in continuation of abutment both upstream and downstream is called

10. If the value of sodium-absorption ratio lies between 10 to 18, it is called

11. Gibb's module is a type of

12. The disadvantage of water logging of fields is

13. *Separation of flow occurs when

14. For the maximum velocity occurring in a canal, the hydraulic mean depth is

15. Tail race

16. Necessity of cross-drainage works arises when

17. *Site of the head works is good when

18. In an ion exchange process when ions are transported from water to solid, ion-exchange media is fixed or fluidized bed, the process is termed as

19. A protection at the downstream end of a weir or fall, consisting of blocks of concrete or masonry, is called

20. *Drain over the irrigation canal is achieved by providing

21. The water utilized by plants is available in soils mainly in the form of

22. In rice, the depth of the root zone is generally,

23. River resulting from a deficit of sediments in flowing water is

24. *The dead storage in a reservoir is provided to

25. A straight or curved retaining wall with its profile gradually changing from one slope to another is called

26. *The measure to remove waterlogging of land is

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

28. In a non-gravity weir, the uplift pressure is resisted by

29. The kor depth for rice is 19 cm, and the kor period is 14 days. The outlet factor for this will be

30. The mean velocity, for a channel of given depth, which will just keep the channel free from silting or scouring its bed throughout the year, is called

31. The number of dams in Bandhra irrigation may be

32. A canal which is aligned at right angles to the contour is called

33. If the RLs of canal bed level and HFL of drainage are 202.0 m and 200.0 m respectively, then the cross drainage work will be

34. For standing crops in undulating sandy fields, the best method of irrigation is

35. The maximum quantity of water that can be supplied from the reservoir with full guarantee during the worst dry period is known as

36. The formula V=0.55 mD0.64 is given by

37. The top of the capillary zone

38. The discharge capacity of the undersluice is

39. *The maximum discharge through a circular channel takes place when the depth of flow is equal to

40. Roughness of the bed and sides of a channel can be reduced by

41. A most economical section is one for which a given cross-sectional area, slope of bed, and coefficient of resistance has

42. Silt is a

43. In a gravity dam, the total force due to wave pressure acts at a height of (Where hw is the height of wave)

44. Longitudinal shallow retaining walls built near ground level for supporting the pitching on the face of earthen embankment is called

45. Darcy's formula is given by

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

47. The name of the structure that destroys the energy is called

48. The consumptive use of water for a crop

49. *Due to topography, if the space is not available, the most suitable spillway is

50. *River training for depth is achieved by