GATE Mechanical Engineering Syllabus 2021

GATE Mechanical Engineering Syllabus

GATE Mechanical Engineering Syllabus 2021: Mechanical engineering is one of the oldest branches and its history goes way long back to the inception of Engineering. GATE 2021 syllabus of Mechanical Engineering syllabus majorly divided into 4 major sections. These sections are Engineering Mathematics, Applied Mechanics and Design, Fluid Mechanics and Thermal Sciences, and Materials, Manufacturing and Industrial Engineering.

In this article, you will find the latest GATE Mechanical Engineering Syllabus 2021.

GATE Mechanical Engineering Syllabus 2021

Indian Institute of Technology (IIT), Delhi has published the latest syllabus of GATE 2021 for Mechanical Engineering. You should know the syllabus accurately for the GATE Mechanical Engineering exam preparation.

Analysis GATE Mechanical Engineering Syllabus 2021 and make a study plan according to it. It will help you to cover the whole Mechanical syllabus and get a better score in GATE ME Exam 2021.

In the GATE Mechanical Engineering syllabus, you will see four sections. You have to prepare every part adequately to score better.

GATE Exam Pattern 2021

Check the Latest GATE exam pattern and understand the type of questions and marking.



Exam Duration

Three hours

Mode of examination

Computer-based test

Question type

Objective type and Numerical Answer Type (NAT)

Total no. of questions


Full marks



Aptitude Engineering, Mathematics, Mechanical Engineering questions

Marking Scheme

One mark MCQs – 1/3 score will be reduced for every incorrect response.

Two mark MCQs – 2/3 mark will be reduced for every incorrect answer.

No marks will be deducted for unattempted questions

No negative marking for Numerical Answer Type (NAT) questions

Section Wise GATE Syllabus 2021 For Mechanical Engineering

Check section-wise GATE Mechanical Engineering Syllabus.

Section-1: Engineering Mathematics:

  • Linear Algebra -Linear equations, Matrix algebra, eigenvalues, and eigenvectors.
  • Differential equations – Linear and nonlinear, Euler-Cauchy equation; higher-order linear differential equations with constant coefficients, initial and boundary value problems; solutions of heat, wave, and Laplace’s equations; Laplace transforms.
  • Calculus – Evaluation of definite and improper integrals; Functions of a single variable, limit, continuity and differentiability, mean value theorem, indeterminate forms; double and triple integrals; total derivative, partial derivatives, maxima and minima, Taylor series (in one and two variables), Fourier series; divergence and curl, gradient, vector identities, line, directional derivatives, surface and volume integrals, and Green’s theorems and applications of Gauss, Stoke.
  • Probability and Statistics – Probability, conditional probability; sampling theorems; median, mean, mode and standard deviation; binomial, random variables, Normal and Poisson distributions.
  • Numerical Methods – Integration by trapezoidal and Simpson’s rules; – Numerical solutions of linear and non-linear algebraic equations; single & multi-step for differential equations.
  • Complex variables – Cauchy-Riemann equations; Analytic functions, Taylor and Laurent series. Cauchy’s integral theorem & integral formula;

Section-2: Applied Mechanics and Design:

  • Mechanics of Materials – Elastic constants, Stress and strain, Poisson’s ratio, thin cylinders, Mohr’s circle for plane stress and plane strain, shear force and bending moment diagrams, deflection of beams, bending and shear stresses, torsion of circular shafts, energy methods, Euler’s theory of columns, thermal stresses, testing of materials with the universal testing machine, strain gauges and rosettes, testing of hardness and impact strength.
  • Engineering Mechanics – Trusses and frames; Free body diagrams and equilibrium, virtual work; impulse and momentum (linear and angular), kinematics and dynamics of particles & of rigid bodies in plane motion and energy formulations, collisions.
  • Theory of Machines – Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses; gyroscope.
  • Machine Design – Design for static and dynamic loading, Failure theories, fatigue strength and the S-N diagram, gears, shafts, rolling and sliding contact bearings, springs, brakes and clutches, principles of the design of machine elements like riveted, bolted and welded joints
  • Vibrations – Effect of damping, Free and forced vibration of single degree of freedom systems, resonance, vibration isolation, critical speeds of shafts.

Section-3: Fluid Mechanics and Thermal Sciences

  • Heat-Transfer – One-dimensional heat conduction, modes of heat transfer, heat transfer through fins, resistance concept & electrical analogy, lumped parameter system, unsteady heat conduction, Heisler’s charts, dimensionless parameters in free and forced convective heat transfer, thermal boundary layer, heat transfer correlations for flow over flat plates and through pipes, heat exchanger performance, effect of turbulence, LMTD & NTU methods; Stefan-Boltzmann law, radiative heat transfer, Wien’s displacement law, view factors, black and grey surfaces and radiation network analysis.
  • Fluid Mechanics – Fluid statics, properties, manometry, buoyancy, the stability of floating bodies, forces on submerged bodies, control-volume analysis of mass, fluid acceleration, momentum and energy, differential equations of continuity and momentum, dimensional analysis, Bernoulli’s equation, viscous flow of incompressible fluids, elementary turbulent flow, boundary layer, flow through pipes, bends and fittings and head losses in pipes
  • Applications – Power Engineering, I.C. Engines, Refrigeration and air-conditioning, and Turbomachinery
  • Thermodynamics – Properties of pure substances, thermodynamic systems and processes, the behavior of ideal and real gases, calculation of work and heat in various processes, zeroth and first laws of thermodynamics, the second law of thermodynamics, thermodynamic relations and thermodynamic property charts and tables, availability and irreversibility.

Section-4: Materials, Manufacturing, and Industrial Engineering

  • Casting, Forming and Joining Processes – Design of patterns, molds and cores, Different types of castings, solidification and cooling, riser & gating design, fundamentals of hot and cold working processes, Plastic deformation and yield criteria load estimation for bulk (drawing, rolling, forging, extrusion) and sheet (deep drawing, shearing, bending), principles of powder metallurgy, metal forming processes, brazing, Principles of welding, soldering & adhesive bonding.
  • Engineering Materials – Phase diagrams, structure and properties of engineering materials, heat treatment, stress-strain diagrams for engineering materials.
  • Machining & Machine Tool Operations -Basic machine tools, Mechanics of machining, single and multi-point cutting tools, tool life and wear, tool geometry and materials, the economics of machining, principles of work holding, principles of non-traditional machining processes, design of jigs and fixtures.
  • Computer Integrated Manufacturing – Concepts of CAD/CAM and their integration tools.
  • Metrology and Inspection – Linear and angular measurements, Limits, fits and tolerances & comparators; gauge design, interferometry, alignment and testing methods, form and finish measurement, tolerance analysis in manufacturing and assembly.
  • Production Planning and Control – Aggregate production planning, forecasting models, materials requirement planning, and scheduling.
  • Operations Research – Simplex method, linear programming, transportation, network flow models, assignment, simple queuing models, and PERT & CPM.
  • Inventory Control – Safety stock inventory control systems, Deterministic models.

Other GATE Related Blogs for Reference

GATE Exam Paper Analysis GATE ME Section-wise Syllabus
GATE ME Books GATE ME Previous Year Papers

Important dates of GATE 2021




Availability of GATE 2021 registration

September 3 to October 1, 2019


Examination date

February 1, 2, 8 & 9, 2021


GATE 2021 result date

March 2021

Now you have a detailed guide on GATE Mechanical Engineering Syllabus 2021. If you have any questions related to GATE Mechanical Engineering Syllabus, please let us know in the comment section.

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