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GATE Syllabus For Mechanical Engineering – General Aptitude

This section includes questions based on Verbal Ability and Numerical Ability. The different topics included in the GATE Syllabus for General Aptitude are as under:

GATE Syllabus For Mechanical Engineering 2021 – Engineering Mathematics

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

GATE Syllabus For Mechanical Engineering – Applied Mechanics & Design

1. Engineering Mechanics: Free-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and of rigid bodies in plane motion; impulse and momentum (linear and angular) and energy formulations, collisions.
2. Mechanics of Materials: Stress and strain, elastic constants, Poisson’s ratio; Mohr’s circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts; Euler’s theory of columns; energy methods; thermal stresses; strain gauges and rosettes; testing of materials with universal testing machine; testing of hardness and impact strength.
3. 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.
4. Vibrations: Free and forced vibration of single degree of freedom systems, the effect of damping; vibration isolation; resonance; critical speeds of shafts.
5. Machine Design: Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as bolted, riveted and welded joints; shafts, gears, rolling and sliding contact bearings, brakes and clutches, springs.

GATE Syllabus For Mechanical Engineering – Fluid Mechanics & Thermal Sciences

1. Fluid Mechanics: Fluid properties; fluid statics, manometry, buoyancy, forces on submerged bodies, the stability of floating bodies; control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum; Bernoulli’s equation; dimensional analysis; viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends and fittings.
2. Heat-Transfer: Modes of heat transfer; one-dimensional heat conduction, resistance concept and electrical analogy, heat transfer through fins; unsteady heat conduction, lumped parameter system, Heisler’s charts; thermal boundary layer, dimensionless parameters in free and forced convective heat transfer, heat transfer correlations for flow over flat plates and through pipes, effect of turbulence; heat exchanger performance, LMTD and NTU methods; radiative heat transfer, Stefan-Boltzmann law, Wien’s displacement law, black and grey surfaces, view factors, radiation network analysis.
3. Thermodynamics: Thermodynamic systems and processes; properties of pure substances, behaviour of ideal and real gases; zeroth and first laws of thermodynamics, calculation of work and heat in various processes; second law of thermodynamics; thermodynamic property charts and tables, availability and irreversibility; thermodynamic relations.
4. Applications: Power Engineering: Air and gas compressors; vapour and gas power cycles, concepts of regeneration and reheat. I.C. Engines: Air-standard Otto, Diesel and dual cycles.
5. Refrigeration and Air-conditioning: Vapour and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes.
6. Turbomachinery: Impulse and reaction principles, velocity diagrams, Pelton-wheel, Francis and Kaplan turbines.

GATE Syllabus For Mechanical Engineering  – Materials, Manufacturing & Industrial Engineering

1. Engineering Materials: Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials.
2. Casting, Forming and Joining Processes: Different types of castings, design of patterns, moulds and cores; solidification and cooling; riser and gating design. Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes; principles of powder metallurgy. Principles of welding, brazing, soldering and adhesive bonding.
3. Machining and Machine Tool Operations: Mechanics of machining; basic machine tools; single and multi-point cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, design of jigs and fixtures.
4. Metrology and Inspection: Limits, fits and tolerances; linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly.
5. Computer Integrated Manufacturing: Basic concepts of CAD/CAM and their integration tools.
6. Production Planning and Control: Forecasting models, aggregate production planning, scheduling, materials requirement planning.
7. Inventory Control: Deterministic models; safety stock inventory control systems.

Operations Research: Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.

PG specilization

IIT madras

Mechanical Engineering

• Thermal Engineering (ME1Y)
• Mechanical Design (ME2Y)
• Manufacturing Engineering (ME3Y)

IIT Kanpur

• Manufacturing Sciences:  Aero Engg, Chem Engg,  Metallurgy/MatSc Engg, Prod/Manuf Engg.
• Fluid and Thermal Sciences:  Aero Engg, Chem Engg.
• Solid Mechanics and Design:  Aero Engg, Civil Engg,  Metallurgy/MatSc Engg, Chem Engg.
• Robotics and Automation:  Aero Engg, Comp Sc, Elect/Electro/Comm Engg, Mechatronics/Instrum Engg.

IIT khargphur

• Cryogenic Engineering
• Earth System Science and Technology
• Industrial Engineering & Management
• Thermal Science and Engineering
• Mechanical Systems Design
• Manufacturing Science and Engg.
• Rubber Technology
• Ocean Engineering and Naval Architecture
• Reliability Engineering
• Energy Science and Engineering

IIT Bombay

• Thermal & Fluids Engineering
• Design Engineering
• Manufacturing Engineering
• Nuclear Engineering

IIT Hyderabad

• Mechanics and Design (MAD) 
• Thermo-fluids Engineering (TFE) 
• Integrated Design and Manufacturing (IDM) 
• Aerospace Engineering (AE)

IIT Guwahati

• Aerodynamics and Propulsion
• Computational Mechanics
• Manufacturing Science and Engineering
• Fluids and Thermal Engineering
• Machine Design

IIT roorkee

• (CAD, CAM, Robotics)
•  (Machine Design Engineering) 
• (Production & Industrial System Engineering) 
• (Thermal Engineering)  
• (Welding Engineering)

IIT  Bhubaneswar

• Thermal Science and Engineering
• Manufacturing Engineering

IIT Gandhinagar

• Thermal Science and Engineering, 
• Dynamics and Control, 
• Solid Mechanics

IIT Tirupati

• Design & Manufacturing