Allied & ICAR Exam Bank • ALLIED_0506 NAT • 2 Marks

Section 5: Irrigation and Drainage Engineering

Canal Design and Silt Theories

Subtopic: Canal Design and Silt Theories

Question Statement:

In Lacey's theory, the hydraulic mean depth $R$ has velocity $v = 1.0\text{ m/s}$ and $f = 1.0$, the hydraulic mean depth $R$ in meters is:

Answer Key:

2.5

Step-by-Step Solution & Explanation

$R = \frac{5}{2} \times \frac{1.0^2}{1.0} = 2.5\text{ m}$.
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