☰ Hydrology (Civil Engineering) - MCQs

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Q25.

If the area of catchment is 567 km,then what will be the base width of 3h unit hydorgraph, assuming it to be of triangular shape?

  • A. 78 hrs
  • B. 63 hrs
  • C. 82 hrs
  • D. 58 hrs

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Q26.

Delta for a crop when its duty is 864 hect/cumec on the field , will be (if base period of this crop is 120 days ) :

  • A. 110 cm
  • B. 120 cm
  • C. 130 cm
  • D. 140 cm

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Q27.

If in mass curve, a demand line drawn tangent to lowest point in valley of the curve does not intersect the mass curve at an earlier time periods,it represents that:

  • A. storage is inadequate
  • B. reservoir will not be full at the start of dry period
  • C. reservoir is full at the beginning of dry period
  • D. reservoir is wasting water by spill

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Q28.

In India meterological sub-division is considered to be affected by moderate drought if it receives a total seasonal rainfall which is :

  • A. less then 25% of normal value
  • B. between 25% to 49% of normal value
  • C. between 50% to 74% of normal value
  • D. between 75% to 99% of normal value

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Q29.

If wheat requires about 7.5 cm of water after every 28 days, and base period for wheat is 140 days,then value of delta for wheat will be :

  • A. 37.5 cm
  • B. 47.5 cm
  • C. 57.5 cm
  • D. 7.5 cm

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Q30.

If one cumec of water is pumped into a fram distribution system. 0.8 cumec is delivered to a turnout,0.9 kilometres from the well, then conveyance effciency will be :

  • A. 75%
  • B. 60%
  • C. 80%
  • D. 65%

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