GATE CE 2017 Set 2 — Question 48
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Water Resources Engineering → Irrigation Systems & Water Need → Base Period
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Question
The culturable command area of a canal is . The area grows only two crops—rice in the Kharif season and wheat in the Rabi season. The design discharge of the canal is based on the rice requirements, which has an irrigated area of , base period of and delta of . The maximum permissible irrigated area (in ha) for wheat, with a base period of and delta of , is _______________
Correct answer
5150 to 5250
Solution
Duty is given by , where is base period in days and is delta in meters.For Rice:
Discharge required for rice, This is the design discharge of the canal.For Wheat:
Maximum permissible irrigated area for wheat,
Rounding to the nearest integer, we get .
Discharge required for rice, This is the design discharge of the canal.For Wheat:
Maximum permissible irrigated area for wheat,
Rounding to the nearest integer, we get .
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