GATE CE 2019 Set 2 — Question 34
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Water Resources Engineering → Irrigation Systems & Water Need → Base Period
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Question
The command area of a canal grows only one crop, i.e., wheat. The base period of wheat is 120 days and its total water requirement, , is . If the canal discharge is , the area, in hectares, rounded off to the nearest integer, which could be irrigated (neglecting all losses) is ________
Correct answer
5180 to 5190
Solution
Duty () is defined as the area irrigated by a unit discharge of water flowing continuously throughout the base period. The relationship between Duty (), Base period (), and Delta () is given by the formula:Where:
- is the Duty in hectares/cumec
- is the Base period in days = 120 days
- is the Delta in meters =
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