Allied & ICAR Exam Bank • ALLIED_3166MSQ • 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:
Which of the following conditions are necessary for the valid application of Laminar and turbulent flow in pipes, Darcy–Weisbach and Hazen–Williams equations in open channels and pipe networks (case #21)?
Options:
(A) Incompressible fluid flow with constant density
(B) Continuous mass and energy conservation
(C) Consistent SI boundary conditions along flow boundaries
(D) Fluid must be a non-Newtonian Bingham plastic
Answer Key:
A, B, C
Step-by-Step Solution & Explanation
Standard flow assumptions required for Laminar and turbulent flow in pipes, Darcy–Weisbach and Hazen–Williams equations.