Allied & ICAR Exam Bank • ALLIED_0356 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Fluid Mechanics in SWCE

Subtopic: Fluid Mechanics in SWCE

Question Statement:

A differential mercury-water U-tube manometer reads a deflection $\Delta h_m = 0.1\text{ m}$. Specific gravity of mercury is $13.6$ and that of water is $1.0$. The equivalent head of water $h_w = \Delta h_m (S_m / S_w - 1)$ in meters of water is:

Answer Key:

1.26

Step-by-Step Solution & Explanation

$h_w = 0.1 \times (13.6 - 1) = 0.1 \times 12.6 = 1.26\text{ m}$.
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