GATE AG 2025 • Q51 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Hydrology

Subtopic: Infiltration – indices and equations

Question Statement:

An 8 ha watershed receives rainfall intensities 2.5, 3.6, 5.4, 3.3, 2.6, 1.2 cm/h at successive 30-min intervals. Surface runoff volume = 4800 m³. Neglecting initial abstraction, find the W-index (cm/h). (Rounded to 2 decimal places)

Official Answer Key:

1.08 to 1.12

Step-by-Step Solution & Explanation

Section 5: Irrigation and Drainage Engineering

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