GATE ME 2015 Set 2 — Question 24

MCQ+1 / -0.33EasyEuler & Bernoulli EquationsFluid Kinematics & DynamicsFluid MechanicsBoundary Layer TheoryViscous & Pipe Flow

Fluid Mechanics → Fluid Kinematics & Dynamics → Boundary Layer Theory

Last updated 5 September 2026

Question

Within a boundary layer for a steady incompressible flow, the Bernoulli equation

Correct answer (D) does not hold because the flow is frictional Solution Bernoulli's equation is derived from Euler's equation, which assumes inviscid (frictionless) flow. Inside a boundary layer, viscous (frictional) forces are significant and cannot be neglected. Therefore, the Bernoulli equation does not hold within the boundary layer. Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (D) does not hold because the flow is frictional Solution Bernoulli's equation is derived from Euler's equation, which assumes inviscid (frictionless) flow. Inside a boundary layer, viscous (frictional) forces are significant and cannot be neglected. Therefore, the Bernoulli equation does not hold within the boundary layer.

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