Allied & ICAR Exam Bank • ALLIED_0443 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Hydrology and Runoff

Subtopic: Hydrograph Analysis and Watershed Routing

Question Statement:

A watershed has 48 first-order streams ($N_1 = 48$) and 12 second-order streams ($N_2 = 12$). The bifurcation ratio $R_{b1} = N_1 / N_2$ is:

Answer Key:

4

Step-by-Step Solution & Explanation

$R_b = 48 / 12 = 4.0$.
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