GATE Syllabus for Mechanical Engineering

GATE 2023 Syllabus

The GATE 2022 was conducted by IIT Kharagpur. The GATE 2023 Syllabus can be broadly categorized into four Sections.

GATE 2023 Organising Institute

GATE 2023 will be conducted by IIT Kanpur in the month of February. The tentative dates of GATE 2023 are yet to be decided but it must be in the first and second week of February.

Click Here for GATE 2022 Result and Scorecard

The GATE 2023 Syllabus can be divided into four sections-

1. Section 1: Engineering Mathematics
2. Section 2: Applied Mechanics and Design
3. Section 3: Fluid Mechanics and Thermal Sciences
4. Section 4: Materials, Manufacturing, and Industrial Engineering

Section 1: Engineering Mathematics GATE 2023 Syllabus

Linear Algebra

• Matrix Algebra
• Systems of Linear Equations
• Eigen Values
• Eigen Vectors

Calculus

• Functions of 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.

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

Complex Variables

• Analytic Functions
• Cauchy-Riemann Equations
• Cauchy’s Integral Theorem
• Integral Formula Taylor and Laurent Series.

Probability and Statistics

• Definitions of Probability
• Sampling theorems
• Conditional Probability
• Mean, Median, Mode and Standard Deviation
• Random Variables
• Binomial, Poisson and Normal Distributions.

Numerical Methods

• Numerical Solutions of Linear and Non-Linear Algebraic Equations
• Integration by Trapezoidal and Simpson’s Rule
• Single and Multi-step Methods for Differential Equations

Read Also: GATE Mechanical Engineering Quiz-01

Section 2: Applied Mechanics and Design

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

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 the universal testing machine
• testing of hardness and impact strength

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

Vibrations

• Free and forced vibration of single degree of freedom systems
• Effect of Damping
• Vibration Isolation
• Resonance
• Critical Speeds of Shafts

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

Section 3: Fluid Mechanics and Thermal Sciences

Fluid Mechanics

• Fluid properties
• Fluid Statics
• Manometry
• Buoyancy
• Forces on submerged bodies
• 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
• The viscous flow of Incompressible Fluids
• Boundary layer
• Elementary Turbulent Flow
• Flow-through Pipes
• Head Losses in Pipes
• Bends and Fittings

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

Thermodynamics

• Thermodynamic Systems and Processes
• Properties of Pure Substances
• The behavior 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 Ir-reversibility
• Thermodynamic Relations

Power Engineering

• Air and gas compressors
• Vapor and gas power cycles
• Concepts of Regeneration and Reheat

I. C. Engine

• Air-standard Otto Diesel and dual cycles

Refrigeration and Air Conditioning

• Vapor and Gas Refrigeration and Heat Pump Cycles
• Properties of Moist Air
• Psychrometric Chart
• Basic Psychrometric Processes

Turbomachinery

• Impulse and Reaction Principles
• Velocity Diagrams
• Pelton Wheel
• Francis and Kaplan Turbines

Section 4 GATE 2023 Syllabus

Engineering Materials

• Structure and properties of engineering materials
• Phase Diagrams
• Heat treatment
• Stress-Strain Diagrams for engineering materials

Casting, Joining and Forming 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

Machine and Machining 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.

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

Computer Integrated Manufacturing

• Basic concepts of CAD/CAM and their integration tools

Production Planning and Control

• Forecasting models
• Aggregate Production Planning, Scheduling, Materials Requirement Planning

Inventory Control

• Deterministic models
• Safety Stock Inventory Control Systems

Operation Research

• Linear Programming
• Simplex method
• Transportation
• Assignment
• Network Flow Models
• Simple Queuing Models
• PERT and CPM

So, this was the updated GATE 2023 Syllabus. Now lets check the GATE Exam Pattern.

GATE Exam Pattern

If you are preparing for GATE Paper, it is important to know the syllabus but it would be very good if you also know the pattern of the exam. This helps us effective preparation for the preparation.

GATE 2023 EXAM PATTERN

The exam is conducted online every year in the month of February. The GATE 2023 exam pattern was as follows-

• Total Number of Questions- 65
• Total Marks- 100
• The Exam Duration- 3 hours.
• The paper consisted of two types of Questions- Objective Type Questions (MCQs) and Numerical Answer Type (NAT) Questions.
• Negative Marks for Objective Type Questions (Multiple Choice)
• But No Negative Marks for Numerical Answer Type Questions.
• There were three Sections- General Aptitude, Engineering Mathematics, and Engineering Specific Subjects.

Marking Pattern

General Aptitude Paper consisted of 15 questions

• Total Marks- 15
• 5 Questions consisted of 1 mark
• Another 5 Questions consisted of 2 marks.

Negative Markings

• For 1 mark Multiple Choice 1/3 mark deduction
• For 2 mark Multiple Choice 2/3 mark deduction
• No Negative Marks for questions not attempted
• No Negative Marks for NAT Questions

Note- In the NAT type questions, the students with the help of mouse and virtual keyboard have to type their answers in the blank space provided. The answer could be any real number.

GATE Cutoff Marks Mechanical

It is also very important for the aspirant to know the previous cut-off. It helps us in better preparation in terms of time management, subject choices, and marks distribution. Here is the qualifying marks of GATE Mechanical Engineering.

GATE 2022 Cutoff Marks

• General Categories-
• OBC Categories-
• SC/ST/PD Categories-

GATE 2021 Cutoff Marks

• General Categories- 33
• OBC Categories- 29.7
• SC/ST/PD Categories- 21

GATE 2020 Cut off Marks

• General Categories- 34
• OBC Categories- 30.6
• SC/ST/PD Categories- 22.6

GATE 2019 Cut off Marks

• General Categories- 34.1
• OBC Categories- 30.7
• SC/ST/PD Categories- 22.7

GATE 2018 Cut off Marks

• General Categories- 34.7
• OBC Categories- 31.2
• SC/ST/PD Categories- 23.1

GATE 2017 Cut off Marks

• General Categories- 32.87
• OBC Categories- 29
• SC/ST/PD Categories- 21

GATE 2016 Cut off Marks

• General Categories- 29.6
• OBC Categories- 26.6
• SC/ST/PD Categories- 19.7

GATE 2015 Cut off Marks

• General Categories- 32.73
• OBC Categories- 29.46
• SC/ST/PD Categories- 21.82

GATE 2014 Cut off Marks

• General Categories- 28.86
• OBC Categories- 25.97
• SC/ST/PD Categories- 19.24

GATE 2023 Official Website IIT Kanpur