Written BySonam Rana updated Content Curator updatedon, Sep 18, 2024
GATE Engineering Science (XE) Syllabus 2023 has been released. GATE Engineering Science (XE) Syllabus 2023 has been arranged in 8 parts, labeled A to H. A candidate is required to attempt three parts out of the 8 parts in GATE 2023 Engineering Sciences exam with the part XE-A (Engineering Mathematics) compulsory for all the candidates. Apart from these 8 parts a section on General Aptitude, common to all GATE papers, is also compulsory for the candidates to undertake. In the exam, three types of questions such as MCQ, MSQ and NAT are framed from the syllabus. Check GATE 2023 Exam Pattern
GATE 2023 is going to be conducted on February 4, 5, 11, and 12, 2023. The paper code for GATE engineering science is XE and candidates who opt for this paper have the option of undertaking any one of the following options as their second paper- Aerospace Engineering (AE), Chemical Engineering (CH), Mechanical Engineering (ME), Mining Engineering (MN), Metallurgical Engineering (MT), Petroleum Engineering (PE), Production and Industrial Engineering (PI) and Textile Engineering and Fibre Science (TF). Students preparing for the upcoming exam can refer to GATE 2023 Preparation Tips for help that candidates need to prepare for the Engineering Sciences paper.
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GATE Engineering Sciences (XE) Syllabus 2023
GATE Engineering Sciences (XE) consists of the following parts:
- XE-A: Engineering Mathematics
- XE-B: Fluid Mechanics
- XE-C: Material Science
- XE-D: Solid Mechanics
- XE-E: Thermodynamics
- XE-F: Polymer Science & Engineering
- XE-G: Food Technology
- XE-H: Atmospheric and Oceanic Sciences
A candidate is required to attempt three parts out of these 8 parts in GATE 2023 Engineering Sciences exam with the part XE-A (Engineering Mathematics) compulsory for all the candidates. The part wise GATE Engineering Sciences (XE) syllabus 2023 is given below:
GATE Engineering Sciences (XE) Syllabus 2023: XE-A: Engineering Mathematics
It is the branch of applied mathematics focusing on mathematical methods and techniques that are mostly used in the engineering industry. It is compulsory for all candidates. It is needed by engineers for practical, theoretical and other considerations and deals with limitations for efficiency in their work. The below table shows the topic and subtopic of this section.
| Topics | Sub-Topics |
|---|---|
| Linear Algebra | Algebra of real matrices: Determinant, inverse and rank of a matrix; System of linear equations (conditions for unique solution, no solution and infinite number of solutions); Eigenvalues and eigenvectors of matrices; Properties of eigenvalues and eigenvectors of symmetric matrices, diagonalization of matrices; Cayley- Hamilton Theorem. |
| Calculus | Functions of single variable: Limit, indeterminate forms and L'Hospital's rule; Continuity and differentiability; Mean value theorems; Maxima and minima; Taylor's theorem; Fundamental theorem and mean value theorem of integral calculus; Evaluation of definite and improper integrals; Applications of definite integrals to evaluate areas and volumes (rotation of a curve about an axis). Functions of two variables: Limit, continuity and partial derivatives; Directional derivative; Total derivative; Maxima, minima and saddle points; Method of Lagrange multipliers; Double integrals and their applications. Sequences and series: Convergence of sequences and series; Tests of convergence of series with non-negative terms (ratio, root and integral tests); Power series; Taylor's series; Fourier Series of functions of period 2π. |
| Vector Calculus | Gradient, divergence and curl; Line integrals and Green's theorem. |
| Complex variables | Complex numbers, Argand plane and polar representation of complex numbers; De Moivre’s theorem; Analytic functions; Cauchy-Riemann equations. |
| Ordinary Differential Equations | First order equations (linear and nonlinear); Second order linear differential equations with constant coefficients; Cauchy-Euler equation; Second order linear differential equations with variable coefficients; Wronskian; Method of variation of parameters; Eigenvalue problem for second order equations with constant coefficients; Power series solutions for ordinary points. |
| Partial Differential Equations | Classification of second order linear partial differential equations; Method of separation of variables: One dimensional heat equation and two dimensional Laplace equation. |
| Probability and Statistics | Axioms of probability; Conditional probability; Bayes' Theorem; Mean, variance and standard deviation of random variables; Binomial, Poisson and Normal distributions; Correlation and linear regression. |
| Numerical Methods | Solution of systems of linear equations using LU decomposition, Gauss elimination method; Lagrange and Newton's interpolations; Solution of polynomial and transcendental equations by Newton-Raphson method; Numerical integration by trapezoidal rule and Simpson's rule; Numerical solutions of first order differential equations by explicit Euler's method. |
GATE Engineering Sciences (XE) Syllabus 2023: XE-B: Fluid Mechanics
This branch of physics deals with the mechanics of fluids and forces on them.
| Topics | Sub-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 Engineering Sciences (XE) Syllabus 2023: XE-C : Material Science
Material science and engineering is an interdisciplinary field of material science that involves the discovery and design of new materials with an emphasis on solids.
| Topics | Sub-Topics |
|---|---|
| Classification and Structure of Materials | Classification of materials: metals, ceramics, polymers and composites. Nature of bonding in materials:metallic,ionic, covalent and mixed bonding; structure of materials:fundamentals of crystallography, symmetry operations, crystal systems, Bravais lattices, unit cells, primitive cells, crystallographic planes and directions; structures of metals, ceramics, polymers, amorphous materials and glasses. Defects in crystalline materials: 0-D, 1-D and 2-D defects; vacancies, interstitials, solid solutions in metals and ceramics, Frenkel and Schottky defects; dislocations; grain boundaries, twins, stacking faults; surfaces and interfaces. |
| Thermodynamics, Kinetics and Phase Transformations | Extensive and intensive thermodynamic properties, laws of thermodynamics, phase equilibria, phase rule, phase diagrams (unary and binary), basic electrochemistry. Reaction kinetics, fundamentals of diffusion, Fick’s laws, their solutions and applications. Solidification of pure metals and alloys, nucleation andgrowth, diffusional solid-state phase transformations (precipitation and eutectoid), martensitic transformation. |
| Properties and Applications of Materials | Mechanical properties of metals, ceramics, polymers and composites at room temperature; stress-strain response (elastic, anelastic and plastic deformation). Electronic properties: free electron theory, Fermi energy, density of states, elements of band theory, semiconductors, Hall effect, dielectric behaviour, piezo- and ferro-electric behaviour. Magnetic properties:Origin of magnetism in materials, para-, dia-, ferro- and ferri-magnetism. Thermal properties: Specific heat, heat conduction, thermal diffusivity, thermal expansion, and thermoelectricity. Optical properties: Refractive index, absorption and transmission of electromagnetic radiation. Examples of materials exhibiting the above properties, and their typical/common applications. |
| Properties and Applications of Materials | Mechanical properties of metals, ceramics, polymers and composites at room temperature; stress-strain response (elastic, anelastic and plastic deformation). Electronic properties: free electron theory, Fermi energy, density of states, elements of band theory, semiconductors, Hall effect, dielectric behaviour, piezo- and ferro-electric behaviour. Magnetic properties:Origin of magnetism in materials, para-, dia-, ferro- and ferri-magnetism. Thermal properties: Specific heat, heat conduction, thermal diffusivity, thermal expansion, and thermoelectricity. Optical properties: Refractive index, absorption and transmission of electromagnetic radiation. Examples of materials exhibiting the above properties, and their typical/common applications. |
| Characterization and Measurements of Properties | X-ray diffraction;spectroscopic techniques such as UV-Vis, IR and Raman; optical microscopy, electron microscopy, composition analysisin electron microscopes. Tensile test, hardness measurement. Electrical conductivity, carrier mobility and concentrations. Thermal analysis techniques: thermogravimetry and calorimetry. |
| Processing of Materials | Heat treatment of ferrous and aluminium alloys; preparation of ceramic powders, sintering; thin film deposition: evaporation and sputtering techniques, and chemical vapour deposition, thin film growth phenomena. |
| Degradation of Materials | Corrosion and its prevention; embrittlement of metals; polymer degradation. |
Also Check: GATE 2023 Participating Colleges
GATE Engineering Sciences (XE) Syllabus 2023: XE-D: Solid Mechanics
It is a branch of continuum mechanics that studies the behavior of solid materials under circumstances like motion and deformation of solids under the action of forces, temperature changes, phase changes and other external and internal agents.
| Topics | Sub-Topics |
|---|---|
| Mechanics of rigid bodies | Equivalent force systems; free-body diagrams; equilibrium equations; analysis of determinate trusses and frames; friction; principle of minimum potential energy; particle kinematics and dynamics; dynamics of rigid bodies under planar motion; law of conservation of energy; law of conservation of momentum. |
| Mechanics of deformable bodies | Stresses and strains; transformation of stresses and strains, principal stresses and strains; Mohr’s circle for plane stress and plane strain; generalized Hooke’s Law; elastic constants; thermal stresses; theories of failure. Axial force, shear force and bending moment diagrams; axial, shear and bending stresses; combined stresses; deflection (for symmetric bending); torsion in circular shafts; thin walled pressure vessels; energy methods (Castigliano’s Theorems); Euler buckling. |
| Vibrations | Free vibration of undamped single degree of freedom systems. |
GATE Engineering Sciences (XE) Syllabus 2023: XE-E: Thermodynamics
It is a branch of physics with heat and temperature and their relation to work and energy.
| Topics | Sub-Topics |
|---|---|
| Basic Concepts | Continuum and macroscopic approach; thermodynamic systems (closed and open); thermodynamic properties and equilibrium; state of a system, state postulate for simple compressible substances, state diagrams, paths and processes on state diagrams; concepts of heat and work, different modes of work; zeroth law of thermodynamics; concept of temperature. |
| First law of Thermodynamics | Concept of energy and various forms of energy; internal energy, enthalpy; specific heats; first law applied to elementary processes, closed systems and control volumes, steady and unsteady flow analysis. |
| Second law of Thermodynamics | Limitations of the first law of thermodynamics, concepts of heat engines and heat pumps/refrigerators, Kelvin- Planck and Clausius statements and their equivalence; reversible and irreversible processes; Carnot cycle and Carnot principles/theorems; thermodynamic temperature scale; Clausius inequality and concept of entropy; microscopic interpretation of entropy, the principle of increase of entropy, T-s diagrams; second law analysis of control volume; availability and irreversibility; third law of thermodynamics. |
| Properties of Pure Substances | Thermodynamic properties of pure substances in solid, liquid and vapor phases; P-v-T behaviour of simple compressible substances, phase rule, thermodynamic property tables and charts, ideal and real gases, ideal gas equation of state and van der Waals equation of state; law of corresponding states, compressibility factor and generalized compressibility chart. |
| Thermodynamic Relations | T-ds relations, Helmholtz and Gibbs functions, Gibbs relations, Maxwell relations, Joule-Thomson coefficient, coefficient of volume expansion, adiabatic and isothermal compressibilities, Clapeyron and Clapeyron-Clausius equations. |
| Thermodynamic Cycles | Carnot vapor cycle, ideal Rankine cycle, Rankine reheat cycle, air-standard Otto cycle, air-standard Diesel cycle, air-standard Brayton cycle, vapor-compression refrigeration cycle. |
| Ideal Gas Mixtures | Dalton’s and Amagat’s laws, properties of ideal gas mixtures, air-water vapor mixtures and simple thermodynamic processes involving them; specific and relative humidities, dew point and wet bulb temperature, adiabatic saturation temperature, psychrometric chart. |
GATE Engineering Sciences (XE) Syllabus 2023: XE-F: Polymer Science and Engineering
It is a subfield of material science focusing primarily on polymer such as synthetic polymers.
| Topics | Sub-Topics |
|---|---|
| Chemistry of high polymers | Monomers, functionality, degree of polymerizations, classification of polymers, glass transition, melting transition, criteria for rubberiness, polymerization methods: addition and condensation; their kinetics, metallocene polymers and other newer methods of polymerization, copolymerization, monomer reactivity ratios and its significance, kinetics, different copolymers, random, alternating, azeotropic copolymerization, block and graft copolymers, techniques for polymerization-bulk, solution, suspension, emulsion. Concept of intermolecular order (morphology) – amorphous, crystalline, orientation states. Factor affecting crystallinity. Crystalline transition. Effect of morphology on polymer properties. |
| Polymer Characterization | Solubility and swelling, Concept of molecular weight distribution and its significance, concept of average molecular weight, determination of number average, weight average, viscosity average and Z-average molecular weights, polymer crystallinity, analysis of polymers using IR, XRD, thermal (DSC, DMTA, TGA), microscopic (optical and electronic) techniques, Molecular wt. distribution: Broad and Narrow, GPC, mooney viscosity |
| Synthesis, manufacturing and properties | Commodity and general purpose thermoplastics: PE, PP, PS, PVC, Polyesters, Acrylic, PU polymers. Engineering Plastics: Nylon, PC, PBT, PSU, PPO, ABS, Fluoropolymers Thermosetting polymers: Polyurethane, PF, MF, UF, Epoxy, Unsaturated polyester, Alkyds. Natural and synthetic rubbers: Recovery of NR hydrocarbon from latex; SBR, Nitrile, CR, CSM, EPDM, IIR, BR, Silicone, TPE, Speciality plastics: PEK, PEEK, PPS, PSU, PES etc. Biopolymers such as PLA, PHA/PHB. |
| Polymer blends and composites | Difference between blends and composites, their significance, choice of polymers for blending, blend miscibility-miscible and immiscible blends, thermodynamics, phase morphology, polymer alloys, polymer eutectics, plastic-plastic, rubber-plastic and rubber-rubber blends, FRP, particulate, long and short fibre reinforced composites. Polymer reinforcement, reinforcing fibres – natural and synthetic, base polymer for reinforcement (unsaturated polyester), ingredients / recipes for reinforced polymer composite. |
| Polymer Technology | Polymer compounding-need and significance, different compounding ingredients for rubber and plastics (Antioxidants, Light stabilizers, UV stabilizers, Lubricants, Processing aids, Impact modifiers, Flame retardant, antistatic agents. PVC stabilizers and Plasticizers) and their function, use of carbon black, polymer mixing equipments, cross-linking and vulcanization, vulcanization kinetics. |
| Polymer rheology | Flow of Newtonian and non-Newtonian fluids, different flow equations, dependence of shear modulus on temperature, molecular/segmental deformations at different zones and transitions. Measurements of rheological parameters by capillary rotating, parallel plate, cone-plate rheometer. Visco-elasticity-creep and stress relaxations, mechanical models, control of rheological characteristics through compounding, rubber curing in parallel plate viscometer, ODR and MDR. |
| Polymer processing | Compression molding, transfer molding, injection molding, blow molding, reaction injection molding, filament winding, SMC, BMC, DMC, extrusion, pultrusion, calendaring, rotational molding, thermoforming, powder coating, rubber processing in two-roll mill, internal mixer, Twin screw extruder. |
| Polymer testing | Mechanical-static and dynamic tensile, flexural, compressive, abrasion, endurance, fatigue, hardness, tear, resilience, impact, toughness. Conductivity-thermal and electrical, dielectric constant, dissipation factor, power factor, electric resistance, surface resistivity, volume resistivity, swelling, ageing resistance, environmental stress cracking resistance, limiting oxygen index. Heat deflection temperature –Vicat softening temperature, Brittleness temperature, Glass transition temperature, Co-efficient of thermal expansion, Shrinkage, Flammability, dielectric constant, dissipation factor, power factor, Optical Properties - Refractive Index, Luminous Transmittance and Haze, Melt flow index |
| Polymer recycling and Waste Management | Polymer waste, and its impact on environment, Sources, Identification and Separation techniques, recycling classification, recycling of thermoplastics, thermosets and rubbers, applications of recycled materials. Life cycle assessment of polymer products (case studies like PET bottles, packaging bags) |
GATE Engineering Sciences (XE) Syllabus 2023: XE-G: Food Technology
It is a branch of food science that deals with food production processes.
| Topics | Sub-Topics |
|---|---|
| Food chemistry and nutrition | Carbohydrates: structure and functional properties of mono-, oligo-, & poly- saccharides including starch, cellulose, pectic substances and dietary fibre, gelatinization and retrogradation of starch. Proteins: classification and structure of proteins in food, biochemical changes in post mortem and tenderization of muscles. Lipids: classification and structure of lipids, rancidity, polymerization and polymorphism. Pigments: carotenoids, chlorophylls, anthocyanins, tannins and myoglobin. Food flavours: terpenes, esters, aldehydes, ketones and quinines. Enzymes: specificity, simple and inhibition kinetics, coenzymes, enzymatic and non- enzymatic browning. Nutrition: balanced diet, essential amino acids and essential fatty acids, protein efficiency ratio, water soluble and fat soluble vitamins, role of minerals in nutrition, co-factors, anti-nutrients, nutraceuticals, nutrient deficiency diseases. Chemical and biochemical changes: changes occur in foods during different processing. |
| Food microbiology | Characteristics of microorganisms: morphology of bacteria, yeast, mold and actinomycetes, spores and vegetative cells, gram-staining. Microbial growth: growth and death kinetics, serial dilution technique. Food spoilage: spoilage microorganisms in different food products including milk, fish, meat, egg, cereals and their products. Toxins from microbes: pathogens and nonpathogens including Staphylococcus, Salmonella, Shigella, Escherichia, Bacillus, Clostridium, and Aspergillus genera. Fermented oods and beverages: curd, yoghurt, cheese, pickles, soyasauce, sauerkraut, idli, dosa, vinegar, alcoholic beverages and sausage. |
| Food products technology | Processing principles: thermal processing, chilling, freezing, dehydration, addition of preservatives and food additives, irradiation, fermentation, hurdle technology, intermediate moisture foods. Food pack aging and storage: packaging materials, aseptic packaging, controlled and modified atmosphere storage. Cereal processing and products: milling of rice, wheat, and maize, parboiling of paddy, bread, biscuits, extruded products and ready to eat breakfast cereals. Oil processing: expelling, solvent extraction, refining and hydrogenation. Fruits and vegetables p processing: extraction, clarification, concentration and packaging of fruit juice, jam, jelly, marmalade, squash, candies, tomato sauce, ketchup, and puree, potato chips, pickles. Plantation crops processing and products: tea, coffee, cocoa, spice, extraction of essential oils and oleoresins from spices. Milk and milk products processing: pasteurization and sterilization, cream, butter, ghee, ice- cream, cheese and milk powder. Processing of animal products: drying, canning, and freezing of fish and meat; production of egg powder. Waste utilization: pectin from fruit wastes, uses of by-products from rice milling. Food standards and quality maintenance: FPO, PFA, A-Mark, ISI, HACCP, food plant sanitation and cleaning in place (CIP). |
| Food engineering | Mass and energy balance; Momentum transfer: Flow rate and pressure drop relationships for Newtonian fluids flowing through pipe, Reynolds number. Heat transfer: heat transfer by conduction, convection, radiation, heat exchangers. Mass transfer: molecular diffusion and Flick's law, conduction and convective mass transfer, permeability through single and multilayer films. Mechanical operations: size reduction of solids, high pressure homogenization, filtration, centrifugation, settling, sieving, mixing & agitation of liquid. Thermal operations: thermal sterilization, evaporation of liquid foods, hot air drying of solids, spray and freeze-drying, freezing and crystallization. Mass transfer operations: psychometric, humidification and dehumidification operations. |
Must Read: How to calculate GATE Score?
GATE Engineering Sciences (XE) Syllabus 2023: XE-H: Atmospheric and Oceanic Sciences Syllabus
| Topics | Sub-Topics |
|---|---|
| Atmospheric Sciences | Vertical Structure and Composition of the Atmosphere; Blackbody Radiation and Radiation Balance; Modes of Heat Transfer in the Atmosphere; Greenhouse Effect; Cloud Types; Laws of Thermodynamics; Gas Laws; Hydrostatic Equation; Clausius Clapeyron Equation; Adiabatic Processes, Humidity in the Atmosphere, Atmospheric Stability; Weather and Climate. Navier-Stokes and Continuity Equations; Compressible and Incompressible Fluids; Pressure Gradient, Centripetal, Centrifugal and Coriolis Forces; Geostrophic, Gradient and Cyclostrophic Balances; Circulations and Vorticity, General Circulation of the Atmosphere. Broad Features of Indian Monsoons, Monsoon Depressions; Tropical Convergence Zones; Tropical Cyclones. |
| Ocean sciences | Vertical Profiles of Temperature and Salinity; Stability and Double Diffusion; Equation of State, Equations for Conservation of Mass, Momentum, Heat and Salt; Inertial Currents; Geostrophic Motion; Air-Sea Surface Fluxes; Wind-driven Circulation, Ekman and Sverdrup Transports; Storm Surges, Tides, Tsunamis and Wind Waves; Eddies and Gyres; Eastern and Western Boundary Currents, Equatorial Currents, Indian Ocean Current Systems; Thermohaline Circulation. Chemical Properties of Seawater, Major and Minor Elements, Ocean Acidification, Biochemical Cycling of Nutrients, Trace Metals and Organic Matter. Biological Pump; primary and Secondary Biological Productivity; Air-sea Exchange of Biogenic Dissolved Gases; Marine Ecology. |
Direct Links for the GATE Engineering Science Syllabus:
GATE Engineering Science Syllabus 2023: Weightage of Important Topics
As per the analysis of the previous year GATE Question papers, the general trend in the Aerospace Engineering Exam in terms of the weightage attached to different sections is given below. Check Detailed GATE Paper Analysis
| List of Topics | Percentage of total marks |
|---|---|
| Compiler Design | 4% |
| Computer Networks | 6% |
| Computer Organization | 11% |
| DBMS | 8% |
| Design & Analysis Algorithms | 6% |
| Digital Logic | 4% |
| Discrete Mathematics & Graph Theory | 10% |
| Engineering Mathematics | 5% |
| General Aptitude | 15% |
| Operating Systems | 10% |
| Programming & Data Structure | 12% |
| Theory Of Computation | 9% |
GATE Engineering Science Difficulty Level of the Paper
The topic-wise difficulty level is mentioned below in the table.
| List of Topics | Difficulty Level |
|---|---|
| General Aptitude | Medium |
| Engineering Mathematics | Medium |
| Theory Of Machines & Vibrations | Easy |
| Manufacturing | Medium |
| Mechanics of Materials | Medium |
| Machine Design | Medium |
| Fluid Mechanics | Medium |
| Thermodynamics & Applications | Moderate |
| Industrial Engineering | Moderate |
| Engineering Mechanics | Medium |
| Heat Transfer | Difficult |
GATE Engineering Sciences Exam Pattern 2023
Candidates are advised to go through the detailed GATE 2023 Exam Pattern before starting the preparation of the exam. The salient features of the GATE Engineering Sciences 2023 exam are: out of 65 questions, a total of 10 and 11 questions will be asked from the section of General Aptitude and Engineering Mathematics respectively whereas 22 questions will come from Optional Sections.
The salient features of the GATE 2023 Civil Engineering Examination are -
- The question paper consists of 65 questions worth 100 marks.
- A total of 10 or 11 questions will be asked from General Aptitude and the rest of the questions will be from core parts of the paper.
- The exam includes 2 types of questions - Multiple Choice Questions (MCQs) and Numerical Answer Type (NAT)
- The duration of the exam is 3 hours.
GATE Engineering Sciences Marking Scheme 2023
- Total Marks: 100 marks
- Negative Marking: For MCQs only
| Type of question | Negative marking for wrong answer |
|---|---|
| MCQs | ⅓ for 1 mark questions ⅔ for 2 marks questions |
| MSQs and NATs | No negative marking |
Must Read: How to calculate GATE Score?
GATE Engineering Sciences Preparation 2023
GATE Engineering Science Syllabus is varied. Here are a few reference books, previous year papers and sample questions to help a student tackle the question paper. Students can also refer to GATE Preparation Tips to learn more about GATE Preparation Strategy.
GATE Engineering Sciences Important Books
Some of the important books recommended by GATE toppers and the GATE Coaching Facilities alike are:
| Part | Books |
|---|---|
| XE-A: Engineering Mathematics |
|
| XE-B: Fluid Mechanics |
|
| XE-C: Material Science |
|
| XE-D: Solid Mechanics |
|
| XE-E: Thermodynamics |
|
| XE-F: Polymer Science & Engineering |
|
| XE-G: Food Technology |
|
| XE-H: Atmospheric and Oceanic Sciences |
|
Must Read: Best Books for GATE 2021 Preparation
Previous Year GATE Engineering Sciences Question Papers
Going through previous years GATE question paper gives an insight into the important topics from GATE Syllabus. Given below are the links to download the previous year GATE Question Paper for Engineering Sciences:
GATE 2021 Engineering Sciences Question Paper
| Sections | GATE XE Question Paper | GATE XE Answer Key |
|---|---|---|
| Engineering Mathematics (XE-A) | Download (Includes GA) | Download |
| Fluid Mechanics (XE-B) | Download | Download |
| Materials Science (XE-C) | Download | Download |
| Solid Mechanics (XE-D) | Download | Download |
| Thermodynamics (XE-E) | Download | Download |
| Polymer Science and Engineering (XE-F) | Download | Download |
| Food Technology (XE-G) | Download | Download |
| Atmospheric and Oceanic Sciences (XE-H) | Download | Download |
GATE 2020 Engineering Sciences Question Paper
GATE 2019 Engineering Sciences Question Paper
GATE 2018 Engineering Sciences Question Paper
| Sections | GATE 2018 XE Question Paper | GATE 2018 XE Answer Key |
|---|---|---|
| Engineering Mathematics (XE-A) | Download (Includes GA) | Download (All Sections) |
| Fluid Mechanics (XE-B) | Download | |
| Materials Science (XE-C) | Download | |
| Solid Mechanics (XE-D) | Download | |
| Thermodynamics (XE-E) | Download | |
| Polymer Science and Engineering (XE-F) | Download | |
| Food Technology (XE-G) | Download | |
| Atmospheric and Oceanic Sciences (XE-H) | Download |
GATE Engineering Sciences Sample Questions
Some sample questions with solved answers that are asked in the GATE Engineering Science examination are listed below.
Ques. What is the probability of getting a total of 5 when three fair dice rolled at the same time?
- 1/108
- 1/72
- 1/54
- 1/36
Correct Answer: (I)
Ques. What is the characteristic of the velocity profile in a situation where the laminar viscous sublayer is placed inside a turbulent pipe flow?
- Linear
- Parabolic
- Logarithmic
- Exponential
Correct Answer: (I)
Ques. Pipe P takes 6 hours to fill a tank whereas pipe Q fills a tank in 9 hours. On the other hand, it takes 12 hours for pipe R to vacant the tanks. During the open hours (4 hours) pipe P is not open but pipe Q is disclosed. Pipe R remains closed after 6 hours. What is the total duration of hours to fill the tank?
- 13.50
- 14.50
- 15.50
- 16.50
Correct Answer: (II)
Ques. What is the reason behind failing the ceramic materials in a pressure that is less than their theoretical strength?
- Presence of dislocations
- High elastic modulus
- Presence of voids
- Anisotropy in crustal structure
Correct Answer: (I)
GATE Syllabus 2023 for Other Papers
Must Read:
GATE Engineering Sciences Syllabus 2023 FAQs
Ques. Can I expect any change in the GATE Engineering Science Syllabus 2023?
Ans. As of now, no information regarding the changes has been published. The authorities will release the revised syllabus of GATE 2023 on the official website if they decide to opt for any changes in the syllabus.
Ques. How much time per day do I need to invest in the preparation of GATE Engineering Science Syllabus 2023?
Ans- GATE Engineering Science Syllabus 2023 can be completed by just devoting three to four hours a day for eight continuous months. If one is short on time he may need to study at least 8 hours a day.
Ques. When should I start the preparation for the GATE 2023 Engineering Science paper before the exam? What’s the maximum duration for that?
Ans- One needs to start the preparation at least 8 months before the exam. 8 months is an optimum time to cover the syllabus and revision for the exam and score decent marks in the GATE Exam.
Ques. What are the most difficult but important topics in the GATE Engineering Science Syllabus 2023? And which one is easy?
Ans. Difficulty depends upon the student as for the important topics some of the most important topics in the GATE Engineering Sciences Syllabus 2023 are as following-
- Relations, Cycle, and Law of Thermodynamics
- Ideal Gas Mixtures
- Flow and Fluid Properties
- Kinematics
- Inviscid and Internal flows
- Dimensional and Differential Analysis
- Prandtl boundary layer equations
Ques. Which topic should I focus on between Fluid Mechanics and Solid Mechanics from GATE Engineering Science Syllabus 2023?
Ans. Both the topics are equally important in this syllabus. You need to focus on both the topics (Fluid Mechanics and Solid Mechanics) and must cover all the subject matter for the entrance exam.
Ques. What are the topics included in Thermodynamics as a part of GATE Engineering Science Syllabus 2023?
Ans. The topics included in Thermodynamics as a part of GATE Engineering Science Syllabus 2023 are -
- Basic Concepts
- First law of Thermodynamics
- Second law of Thermodynamics
- Properties of Pure Substances
- Thermodynamic Relations
- Thermodynamic Cycles
- Ideal Gas Mixtures
Ques. Which section is the most scoring one in GATE Engineering Science Syllabus 2023?
Ans. The section on Engineering Mathematics and the General Aptitude are the most scoring ones as compared to the other section in the syllabus. They are also easy to prepare, nevertheless one should focus more on the core parts (including Mathematics) they are the ones that carry the most marks in the examination.
Ques. Can I expect any question out of the GATE Engineering Science Syllabus 2023 in the exam?
Ans. No, there is zero expectation to get any question out of the syllabus in the exam. All the questions will be framed as per GATE 2023 Engineering Science Syllabus.
- Mechanics of rigid bodies
- Mechanics of deformable bodies
- Vibrations
Ques. What are some Tips to Prepare for GATE 2023 Engineering Sciences Syllabus ?
Ans. Some GATE 2023 Preparation Tips for GATE 2023 Engineering Sciences Paper are given below.
- Be Familiar with all the topics from the syllabus: Browse through all the subject matter of GATE 2023 Engineering Science Syllabus post to the selection of a subject.
- The practice is the key: To enhance your skills and accelerate the speed in the exam, practice all the previous year’s papers
- Selection of proper study material: Take help from a reference book. Best Books for GATE Preparation. Pick a book where you can find detailed information with some examples. And also those books should not be difficult to understand.
- Set the perfect study plan
- Set a time table for either monthly or weekly and start preparation accordingly.
- Note down all the important formulas
- Make proper revisions daily
- Give mock tests
- Focus on your strengths and weaknesses by giving mock tests daily.
- Follow other websites for the specific areas of the subject or mobile apps
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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