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E192046 Pages: 3

Describe how evaporation measurement is done using IMD land pan.
What is Infiltration? What are the factors affecting Infiltration?
What is S Hydrograph? How is it used to construct a longer or shorter period

hydrograph from a longer period hydrograph?

PART ‏تا‎

Answer any two full questions, each carries 15 marks.
Describe the types of Irrigation.
What is a Guide bank system?
What is Available moisture and Readily available moisture?
Describe the use of current meter in measuring velocity of a river.
What are Irrigation efficiencies?
What is Meandering of rivers?
Determine the reservoir capacity ,if culturable commanded area is 5200 ha, canal

losses are 20% and reservoir losses are 15%

Base Duty at field Intensity of
period(days) | (ha/cumecs) Irrigation
Wheat 120 1700 20%

Describe the Area Velocity method used for stream discharge measurement.
A crop grown in an area of 5000 ha is fed by a canal system. Find daily

consumptive use and discharge in m*/s required in the area if ,

Field capacity of soil = 28%
Optimum moisture = 10%
Permanent wilting point = 8%

Effective depth of root zone= 70cm

Relative density of soil = 13

PART C
Answer any two full questions, each carries 20 marks.
Describe the tests to determine the yield of a well.

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