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  2. Exams
  3. GATE CE
  4. Water Resources Engineering
  5. Irrigation
easy2 marks

Irrigation

9 Topics
12h prep
20% subject weight
9 Topics
1

Types of irrigation systems and methods

1m2/10
2

Crop water requirements

1m3/10
📌 Key FormulaWR = ETc - Pe + other
3

Duty

1m2/10
📌 Key FormulaDuty D = 8.64 B / Δ (ha/cumec)
4

Delta

1m2/10
📌 Key FormulaΔ = 8.64 B / D
5

Evapotranspiration

1m3/10
📌 Key FormulaReference ET0
6

Gravity Dams and Spillways

1m4/10
📌 Key FormulaStability checks: overturning, sliding, stress
7

Lined and unlined canals

1m3/10
📌 Key FormulaManning for velocity
8

Design of weirs on permeable foundation

1m4/10
📌 Key FormulaBligh's creep theory, Khosla's theory
9

Cross drainage structures

1m3/10