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MCQs

Total Questions : 845 | Page 7 of 85 pages
Question 61. A straight glacis type fall with a baffle platform and a baffle wall is called
  1.    Vertical drop-fall
  2.    Glacis fall
  3.    Montague type fall
  4.    Inglis fall
 Discuss Question
Answer: Option D. -> Inglis fall
Question 62. In rigid module, the discharge
  1.    Is independent of water levels in the distributary and water course
  2.    Depends upon the water level in distributary
  3.    Depends upon the water level in the water course
  4.    Depends upon the water levels of both, i.e. distributary and water course
 Discuss Question
Answer: Option A. -> Is independent of water levels in the distributary and water course
Question 63. 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
  1.    D
  2.    D/2
  3.    D/3
  4.    D/5
 Discuss Question
Answer: Option B. -> D/2
Question 64. Seepage through foundation in an earthen dam is controlled by providing
  1.    rock toe
  2.    horizontal blanket
  3.    impervious cut off
  4.    chimney drain
 Discuss Question
Answer: Option C. -> impervious cut off
Question 65. Irrigation canals are generally aligned along
  1.    Ridge line
  2.    Contour line
  3.    Valley line
  4.    Straight line
 Discuss Question
Answer: Option A. -> Ridge line
Question 66. Infiltration capacity
  1.    is a constant factor
  2.    changes with time
  3.    changes with location
  4.    changes with both time and location
 Discuss Question
Answer: Option D. -> changes with both time and location
Question 67. The water utilizable by plants is available in soils mainly in the form of
  1.    gravity water
  2.    capillary water
  3.    hydroscopic water
  4.    chemical water
 Discuss Question
Answer: Option B. -> capillary water
Question 68. Effective precipitation for a crop may be defined as
  1.    Total precipitation minus the loss due to evaporation
  2.    Total precipitation minus the loss due to infiltration
  3.    Total precipitation during the crop period
  4.    Available water stored in soil within root zone of the crop
 Discuss Question
Answer: Option D. -> Available water stored in soil within root zone of the crop
Question 69. Pick up the incorrect statement from the following:
  1.    In free flooding irrigation, water is admitted at one corner of a field and is allowed to spread over the entire area
  2.    In check method of irrigation, the field is divided into smaller compartments and water is admitted to each in turn
  3.    In furrow irrigation water is admitted between the rows of plants in the field
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 70. A deficit of sediments in flowing water may cause a river
  1.    Meandering type
  2.    Aggrading type
  3.    Degrading type
  4.    Sub-critical type
 Discuss Question
Answer: Option C. -> Degrading type

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