GATE 2023 Syllabus:
The candidates are advised to go through the syllabus thoroughly before starting their preparation for GATE 2023. The syllabus will help the students in concentrating on the most important subjects while preparing for the exam. The candidate should check the detailed syllabus. Check out the details here.
GATE Exam Syllabus and Subjects
The GATE 2023 exam will be conducted for 29 subjects. The candidate will be allowed to attend a maximum of 2 papers paper in one session. General Aptitude section and Engineering Mathematics sections are common for all the subjects. General Aptitude constitutes 15% of the total paper weightage. Each of the following subjects has been divided into two categories one is Core Topics and the other is Special Topics. 90% of the paper will constitute core topics and 10% of the paper will have special topics. The subjects of Aeronautical Engineering has been divided in the following way.
GATE 2023 Papers with Code:
|AE: Aerospace Engineering||EC: Electronics and Communication Engg.||MN: Mining Engineering||XH: Humanities & Social Sciences|
|AG: Agricultural Engineering||EE: Electrical Engineering||MT: Metallurgical Engineering||XL: Life Science|
|AR: Architecture and Planning||ES: Environmental Science and Engineering||NM: Naval Architecture & Marine Engineering|
|BM: Biomedical Engineering||EY: Ecology and Evolution||PE: Petroleum Engineering|
|BT: Biotechnology||GE: Geomatics Engineering||PH: Physics|
|CE: Civil Engineering||GG: Geology & Geophysics||PI: Production and Industrial Engineering|
|CH: Chemical Engineering||IN: Instrumentation Engineering||ST: Statistics|
|CS: Computer Sc. and Information Technology||MA: Mathematics||TF: Textile Engineering and Fibre Science|
|CY: Chemistry||ME: Mechanical Engineering||XE: Engineering Sciences|
Aeronautical Engineering Syllabus
Section 1: Engineering Mathematics
Linear Algebra: Vector algebra, Matrix algebra, systems of linear equations, the rank of a matrix, eigenvalues and eigenvectors.
Calculus: Functions of single variable, limits, continuity and differentiability, mean value theorem, chain rule, partial derivatives, maxima and minima, gradient, divergence and curl, directional derivatives. Integration, Line, surface and volume integrals. Theorems of Stokes, Gauss and Green.
Differential Equations: First order linear and nonlinear differential equations, higher-order linear ODEs with constant coefficients. Partial differential equations and separation of variables methods.
Special Topics: Fourier Series, Laplace Transforms, Numerical methods for linear and nonlinear algebraic equations, Numerical integration and differentiation.
Basics: Atmosphere: Properties, standard atmosphere. Classification of aircraft. Airplane (fixed wing aircraft) configuration and various parts.
Airplane performance: Pressure altitude; equivalent, calibrated, indicated air speeds; Primary flight instruments: Altimeter, ASI, VSI, Turn-bank indicator. Drag polar; takeoff and landing; steady climb & descent, absolute and service ceiling; cruise, cruise climb, endurance or loiter; load factor, turning flight, V-n diagram; Winds: head, tail & cross winds.
Static stability: Angle of attack, sideslip; roll, pitch & yaw controls; longitudinal stick fixed & free stability, horizontal tail position and size; directional stability, vertical tail position and size; dihedral stability. Wing dihedral, sweep & position; hinge moments, stick forces.
Special Topics: Dynamic stability: Euler angles; Equations of motion; aerodynamic forces and moments, stability & control derivatives; decoupling of longitudinal and lateral-directional dynamics; longitudinal modes; lateral-directional modes.
Special Topics: Orbit transfer, in-plane and out-of-plane.
Section 4: Aerodynamics
Basic Fluid Mechanics: Conservation laws: Mass, momentum (Integral and differential form);
Potential flow theory: sources, sinks, doublets, line vortex and their superposition; Viscosity, Reynold's number.
Airfoils and wings: Airfoil nomenclature; Aerodynamic coefficients: lift, drag and moment; Kutta- Joukoswki theorem; Thin airfoil theory, Kutta condition, starting vortex; Finite wing theory: Induced drag, Prandtl lifting line theory; Critical and drag divergence Mach number.
Compressible Flows Basic concepts of compressibility, Conservation equations; One-dimensional compressible flows, Fanno flow, Rayleigh flow; Isentropic flows, normal and oblique shocks, Prandtl- Meyer flow; Flow through nozzles and diffusers.
Special Topics: Elementary ideas of viscous flows including boundary layers; Wind Tunnel Testing: Measurement and visualization techniques.
Section 5: Structures
Strength of Materials: States of stress and strain. Stress and strain transformation. Mohr's Circle. Principal stresses. Three-dimensional Hooke's law. Plane stress and strain; Failure theories: Maximum stress, Tresca and von Mises; Strain energy. Castigliano's principles. Analysis of statically determinate and indeterminate trusses and beams. Elastic flexural buckling of columns. Flight vehicle structures: Characteristics of aircraft structures and materials. Torsion, bending and flexural shear of thin-walled sections. Loads on aircraft.
Structural Dynamics: Free and forced vibrations of undamped and damped SDOF systems. Free vibrations of undamped 2-DOF systems.
Special Topics: Vibration of beams. Theory of elasticity: Equilibrium and compatibility equations, Airy’sstress function.
Section 6: Propulsion
Basics: Thermodynamics, boundary layers and heat transfer and combustion thermochemistry.
Thermodynamics of aircraft engines: Thrust, efficiency and engine performance of turbojet, turboprop, turboshaft, turbofan and ramjet engines, thrust augmentation of turbojets and turbofan engines. Aerothermodynamics of non-rotating propulsion components such as intakes, combustor and nozzle.
Axial compressors: Angular momentum, work and compression, the characteristic performance of a single axial compressor stage, the efficiency of the compressor and degree of reaction.
Axial turbines: Axial turbine stage efficiency.
Centrifugal compressor: Centrifugal compressor stage dynamics, inducer, impeller and diffuser.
Rocket propulsion: Thrust equation and specific impulse, vehicle acceleration, drag, gravity losses, multi-staging of rockets. Classification of chemical rockets, the performance of solid and liquid propellant rockets.
No Special Topics
In a similar way, all the subjects are divided into core and specific subjects. The entire syllabus is provided in the information brochure Page 39.