Allied & ICAR Exam Bank • ALLIED_0394 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Open Channel Flow

Subtopic: Open Channel Flow

Question Statement:

A triangular flume has side slopes $z = 1$ ($45^\circ$ to vertical, so top width $T = 2 z y = 2y$). Flow depth is $y = 1.2\text{ m}$. The hydraulic depth in meters is:

Answer Key:

0.6

Step-by-Step Solution & Explanation

$D = A / T = \frac{z y^2}{2 z y} = \frac{y}{2} = \frac{1.2}{2} = 0.6\text{ m}$.
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