Irrigation Engineering Online Test – Paper 3

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Created by 37fdd4228dab83e2f2bdee26b19f1560?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
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1. In irrigation canals, drops are needed if

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2. *Attracting type spurs

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3. Canals taking off from a river with or without a head regulator are called

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4. A canal, designed to irrigate throughout the year, is

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5. *The elementary profile of a dam is

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6. Optimum depth of kor watering for wheat in the plains or terai is

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7. The fall using a parabolic glacis for energy dissipation is

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8. As the coefficient of friction increases, the velocity of water in a canal

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9. *Borrow pits are preferably located in the field

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10. *Meandering of rivers is caused by

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11. If the demand line drawn from a ridge in a flow-mass curve does not intersect the curve again, it shows

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12. The uplift pressure on the face of a drainage gallery in a dam is equal to

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13. The ratio of the total volume of water delivered to a crop to the area on which it has been spread is called

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14. *Marginal bund/leeve is an earthen dam constructed roughly

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15. *A groyne

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16. The disadvantage of water logging of fields is

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17. The discharge coefficient of an ogee spillway is:

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18. Waterlogging may result from

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19. *Site of the head works is good when

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20. The capacity of a reservoir is 50 million cubic meters, and dead storage is 12 million cubic meters. If the average volume of sediment deposition is 0.1 million cubic meters per year, then the usefulness of the reservoir will start reducing after

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21. *In a syphon aqueduct, the maximum uplift pressure on the floor occurs when

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22. *The maximum amount of water required in the case of paddy is at the time of

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23. *The operation, which washes out salts from the upper zone of the soil, is called

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24. A wall built along the bank of a river, parallel to the direction of flow for directing fast flow from a sluice or spillway, to prevent eroding banks of a river or canal, is called

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25. The most suitable location of a canal headwork is

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26. The most suitable section of a lined canal is

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27. *Which is the best hydraulic section of the following open channel cross-section?

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28. Area velocity method is used to measure.

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29. *The most efficient section of a channel is

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30. *In a barrage, the crest level is kept

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31. An aggrading river is

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32. Disposal of extra excavated earth of canals is utilized to provide a spoil bank on

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33. For any crop, the base period is measured in

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

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35. As compared to the crest of the normal portion of the weir, the crest of the undersluice portion of the weir is kept at

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36. A repelling groyne is aligned

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37. Silt excluders are constructed on the

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38. According to Lacey's theory, the silt supporting eddies are generated from

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39. A groyne with a curved head is known as

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40. Retrogression of the bed level of a river downstream a weir or barrage occurs due to

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41. *Pick up the correct sequence of the parts of a canal system

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42. As compared to a gravity dam, earthen dams

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43. The forces considered for the analysis of an elementary profile of a gravity dam under an empty reservoir condition are

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44. Aggrading river is characterized by

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45. *The river training work is concentrated with

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46. Which of the following is a leguminous crop?

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47. *The discharge through a trapezoidal channel is maximum when

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48. *The discharge through a channel is maximum when

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49. *When a canal is carried over a natural drainage, the structure provided is known as

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50. *Diversion headwork is constructed to

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