Irrigation Engineering Online Test – Paper 2

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 30
  • Time Allotted: 30 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
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1. *Mean velocity of the canal should never be

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2. In irrigation canals, drops are needed if

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3. The consumptive use of water for a crop

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4. *The amount of water required to fill up the pore spaces in soil particles by replacing all air held in pore spaces is known as

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5. *Lining of an irrigation channel

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6. *The most efficient section of a channel is

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7. Boron concentration in water for irrigation should be limited to

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8. *Critical depth is

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9. 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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10. Bed bars provided in a canal are made of

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11. Sediment deposit in a reservoir can be reduced by

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

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

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

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15. According to Khosla's theory, the exit gradient

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16. The aqueduct or super passage type of cross drainage headworks are used when

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17. The main function of a distributory head regulator is

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18. The thickness of concrete lining, for discharge up to 200 cumecs, varies from

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19. If there are two canals taking off from each bank of a river, then there will be

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

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21. 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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22. Waterlogging of fields can be reduced by

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23. The most desirable alignment of an irrigation canal is along

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

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

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26. In a syphon spillway, the effective head is measured

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27. The average delta of a rice crop is nearly

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28. The most suitable material for the central impervious core of a zoned embankment type dam is

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29. *Surface float method is used for the velocity measurement while the current meter is used for the measurement of

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30. *Meandering of the river increases the length of the river while cut-off

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