Allied & ICAR Exam Bank • ALLIED_0370 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Fluid Mechanics in SWCE

Subtopic: Fluid Mechanics in SWCE

Question Statement:

Water flows at velocity $v = 1.5\text{ m/s}$ in a steel pipe. Water density $\rho = 1000\text{ kg/m}^3$ and acoustic pressure wave velocity $c = 1200\text{ m/s}$. The maximum water hammer pressure rise $\Delta P = \rho c v$ in kPa is:

Answer Key:

1800

Step-by-Step Solution & Explanation

$\Delta P = 1000 \times 1200 \times 1.5 = 1,800,000\text{ Pa} = 1800\text{ kPa}$.
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