Allied & ICAR Exam Bank • ALLIED_3174NAT • 2 Marks
Section 4: Soil and Water Conservation Engineering
Fluid Mechanics
Subtopic: Laminar and turbulent flow in pipes, Darcy–Weisbach and Hazen–Williams equations
Question Statement:
Water of density rho = 1000 kg/m^3 flows through a hydraulic test section #29 related to Laminar and turbulent flow in pipes, Darcy–Weisbach and Hazen–Williams equations. If head loss across length L = 10 m is h_f = 1.1 m under g = 9.81 m/s^2, the pressure drop in kPa (Delta P = rho * g * h_f / 1000) is approx:
Answer Key:
10.79
Step-by-Step Solution & Explanation
Pressure drop Delta P = 1000 * 9.81 * h_f / 1000 = 10.79 kPa.