GATE 2026 Fluid Mechanics Syllabus (Out): Topics & Weightage Wise Syllabus

GATE 2026 Fluid Mechanics Syllabus (Out): Topics & Weightage Wise Syllabus

Ongoing Event

GATE Application Date:28 Aug' 25 - 28 Sep' 25

Team Careers360Updated on 19 Sep 2025, 04:36 PM IST

GATE 2026 Fluid Mechanics Syllabus - IIT Guwahati has released the GATE Fluid Mechanics syllabus 2026 on its official website, gate2026.iitg.ac.in. The GATE XE-B syllabus is provided here. Aspirants must cover all the topics mentioned in the syllabus to ensure high scores. The GATE syllabus helps candidates know what to study and what to skip. The GATE fluid mechanics paper is an optional subject in the GATE engineering sciences exam. Along with the syllabus, candidates must also be aware of the GATE 2026 Engineering Sciences exam pattern. The Fluid Mechanics syllabus for GATE 2026 comprises 9 chapters. Candidates can check the detailed topic-wise GATE 2026 fluid mechanics syllabus on this page.

GATE 2026 Fluid Mechanics Syllabus (Out): Topics & Weightage Wise Syllabus
GATE 2026 Fluid Mechanics Syllabus

The authority will prepare the GATE question paper as per the GATE fluid mechanics syllabus 2026. Along with the syllabus, candidates must check the GATE exam pattern to understand the format of the exam. Candidates are advised to practice the GATE mock tests after completing the GATE 2026 fluid mechanics syllabus. IIT Guwahati will conduct the GATE 2026 exam on February 7, 8, 14 and 15, 2026.

GATE Fluid Mechanics syllabus 2026

IIT Guwahati has released the GATE fluid mechanics syllabus online. The GATE 2026 fluid mechanics syllabus includes topics such as flow and fluid properties, differential analysis, internal flows, external flows and more. The GATE engineering mathematics section has a weightage of 15 marks.

GATE Fluid Mechanics (XE-B) syllabus

Chapters

Topics

Flow and Fluid Properties

Fluid Properties: Density, viscosity, surface tension, relationship between stress and strain-rate for Newtonian fluids. Classification of Flows: Viscous versus inviscid flows, incompressible versus compressible flows, internal versus external flows, steady versus unsteady flows, laminar versus turbulent flows, 1-D, 2-D and 3-D flows, Newtonian versus non-Newtonian fluid flow. Hydrostatics: Buoyancy, manometry, forces on submerged bodies and its stability.

Kinematics of Fluid Motion

Eulerian and Lagrangian descriptions of fluid motion. Concept of local, convective and material derivatives. Streamline, streakline, pathline and timeline.

Integral Analysis for a Control Volume

Reynolds Transport Theorem (RTT) for conservation of mass, linear and angular momentum.

Differential Analysis

Differential equations of mass and momentum for incompressible flows. Inviscid flows - Euler equations and viscous flows - Navier-Stokes equations. Concept of fluid rotation, vorticity, stream function and circulation. Exact solutions of Navier-Stokes equations for Couette flow and Poiseuille flow, thin film flow

Dimensional Analysis

Concept of geometric, kinematic and dynamic similarity. Buckingham Pi theorem and its applications. Non-dimensional parameters and their physical significance - Reynolds number, Froude number and Mach number.

Internal Flows

Fully developed pipe flow. Empirical relations for laminar and turbulent flows: friction factor, Darcy-Weisbach relation and Moody’s chart. Major and minor losses.

Bernoulli’s Equation and its Applications, Potential Flows

Bernoulli’s Equation: Assumptions and applications. Flow measurements - Venturi meter, Pitot-static tube and orifice meter. Elementary Potential Flows: Velocity potential function. Uniform flow, source, sink and vortex, and their superposition for flow past simple geometries.

External Flows

Prandtl Boundary Layer Equations: Concept and assumptions. Boundary Layer Characteristics: Boundary layer thickness, displacement thickness and momentum thickness. Qualitative idea of boundary layer separation, streamlined and bluff bodies, and drag and lift forces.

GATE 2026 Exam Pattern for Fluid Mechanics

Candidates appearing for the GATE fluid mechanics (XE-B) paper can check the GATE paper pattern for fluid mechanics below. Using the exam pattern candidates can find key details such as the marking scheme, duration, types of questions and more.

GATE Fluid Mechanics Exam Pattern

Particulars

Details

Examination Mode

Computer Based Test (Online)

Duration

3 Hours

Section

  • General Aptitude (GA)

  • Engineering Mathematics (XE-A)

  • Fluid Mechanics (XE-B)

  • Additional section opted for by the student

Type of Questions

  • Multiple Choice Questions (MCQs)

  • Multiple Select Questions (MSQs)

  • Numerical Answer Type (NAT) Questions

Total Marks

100 Marks

Marking Scheme

All of the questions will be worth 1 or 2 marks

GATE Negative Marking

  • MCQs - 1 mark for each correct answer; 1/3 mark will be deducted for every wrong answer.

  • MCQs - 2 marks for each correct answer; 2/3 marks will be deducted for every incorrect response.

  • No negative marking for MSQ & NAT.

  • No partial marking for MSQ type questions.

Frequently Asked Questions (FAQs)

Q: Is the GATE 2026 fluid mechanics syllabus released?
A:

Yes, the GATE fluid mechanics 2026 syllabus has been released online.

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