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Civil Engineering :: Irrigation Engineering

  1. For diversion of flood water of rivers, the type of canal constructed, is

  2. A.

     Ridge canal

    B.

     Perennial canal

    C.

     Inundation canal

    D.

     Canal


  3. The water stored in the reservoir below the minimum pool level is called

  4. A.

     useful storage

    B.

     dead storage

    C.

     valley storage

    D.

     surcharge storage


  5. A straight glacis type fall with a baffle platform and a baffle wall is called

  6. A.

     Vertical drop-fall

    B.

     Glacis fall

    C.

     Montague type fall

    D.

     Inglis fall


  7. In rigid module, the discharge

  8. A.

     Is independent of water levels in the distributary and water course

    B.

     Depends upon the water level in distributary

    C.

     Depends upon the water level in the water course

    D.

     Depends upon the water levels of both, i.e. distributary and water course


  9. If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle ? with horizontal, the hydraulic mean depth is

  10. A.

     D

    B.

     D/2

    C.

     D/3

    D.

     D/5


  11. Seepage through foundation in an earthen dam is controlled by providing

  12. A.

     rock toe

    B.

     horizontal blanket

    C.

     impervious cut off

    D.

     chimney drain


  13. Irrigation canals are generally aligned along

  14. A.

     Ridge line

    B.

     Contour line

    C.

     Valley line

    D.

     Straight line


  15. Infiltration capacity

  16. A.

     is a constant factor

    B.

     changes with time

    C.

     changes with location

    D.

     changes with both time and location


  17. The water utilizable by plants is available in soils mainly in the form of

  18. A.

     gravity water

    B.

     capillary water

    C.

     hydroscopic water

    D.

     chemical water


  19. Effective precipitation for a crop may be defined as

  20. A.

     Total precipitation minus the loss due to evaporation

    B.

     Total precipitation minus the loss due to infiltration

    C.

     Total precipitation during the crop period

    D.

     Available water stored in soil within root zone of the crop