GATE Chemical Engineering Syllabus 2025

Post Name :  GATE Chemical Engineering Syllabus 2025
Post Date :  29 February , 2024
Post Description : The GATE Syllabus for Chemical Engineering will be made announced under the detailed brochure to be released by the Indian Institute of Technology, Roorkee. Aspirants who are going to participate in the forthcoming GATE 2025 for the Chemical Engineering discipline must have a thorough understanding of the syllabus to plan their preparation strategy accordingly.

GATE Chemical Engineering Syllabus 2025

The GATE chemical engineering syllabus 2025 is divided into nine major sections. Some of the topics from the GATE 2025 chemical engineering syllabus include Thermodynamics, Process Calculations, Engineering Mathematics, Fluid Mechanics, Mechanical Operations, Heat Transfer, Chemical Reaction Engineering, Mass Transfer, Instrumentation, and Process Control, including Plan Design and Chemical Technology. This article includes the detailed GATE CH Syllabus 2025 for the sake of ease of aspiring candidates.

GATE 2025 Chemical Engineering Syllabus

The GATE Chemical Engineering Syllabus 2025 covers a total of nine sections consisting of various topics. Aspirants preparing for GATE 2025 may refer to the topic-wise table given below in order to cover all the sections of the GATE 2025 Chemical Engineering syllabus:

GATE Chemical Engineering Syllabus 2025
Section 1: Engineering Mathematics
  • Linear Algebra: Matrix algebra, Systems of linear equations, eigenvalues, and eigenvectors.
  • Calculus: Functions of a single variable, Limit, continuity and differentiability, Taylor series, Mean value theorems, Evaluation of definite and improper integrals, Partial derivatives, Total derivative, Maxima and minima, Gradient, Divergence and Curl, Vector identities, Directional derivatives, Line, Surface and Volume integrals, Stokes, Gauss, and Green’s theorems
  • Differential equations: First-order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients, Cauchy’s and Euler’s equations, Initial and boundary value problems, Laplace transforms, Solutions of one-dimensional heat and wave equations, and Laplace equation.
  • Complex variables: Complex number, polar form of complex number, triangle inequality
  • Probability and Statistics: Definitions of probability and sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Random variables, Poisson, Normal and Binomial distributions, Linear regression analysis
  • Numerical Methods: Numerical solutions of linear and non-linear algebraic equations. Integration by trapezoidal and Simpson’s rule. Single and multi-step methods for the numerical solution of differential equations
Section 2: Process Calculations and ThermodynamicsSteady and unsteady state mass and energy balances include multiphase, multicomponent, reacting, and non-reacting systems. Use of tie components; recycle, bypass, and purge calculations; Gibb’s phase rule and degree of freedom analysis First and Second laws of thermodynamics. Applications of first law to close and open systems. Second Law and Entropy. Thermodynamic properties of pure substances: Equation of State and residual properties, properties of mixtures: partial molar properties, fugacity, excess properties, and activity coefficients; phase equilibria: predicting VLE of systems; chemical reaction equilibrium
Section 3: Fluid Mechanics and Mechanical OperationsFluid statics, surface tension, Newtonian and non-Newtonian fluids, transport properties, shell-balances including differential form of Bernoulli equation and energy balance, equation of continuity, equation of motion, equation of mechanical energy, Macroscopic friction factors, dimensional analysis, and similitude, flow through pipeline systems, velocity profiles, flow meters, pumps and compressors, elementary boundary layer theory, flow past immersed bodies including packed and fluidized beds, Turbulent flow: fluctuating velocity, universal velocity profile, and pressure drop. Particle size and shape, particle size distribution, size reduction and ification of solid particles; free and hindered settling; centrifuge and cyclones; thickening and ification, filtration, agitation and mixing; conveying of solids.
Section 4: Heat TransferEquation of energy, steady and unsteady heat conduction, convection and radiation, thermal boundary layer and heat transfer coefficients, boiling, condensation, and evaporation; types of heat exchangers and evaporators and their process calculations; design of double pipe, shell, and tube heat exchangers, and single and multiple effect evaporators.
Section 5: Mass TransferFick’s laws, molecular diffusion in fluids, mass transfer coefficients, film, penetration, and surface renewal theories; momentum, heat, and mass transfer analogies; stage-wise and continuous contacting and stage efficiencies; HTU & NTU concepts; design and operation of equipment for distillation, absorption, leaching,liquid-liquid extraction, drying, humidification, dehumidification and adsorption, membrane separations (micro-filtration, ultra-filtration, nano-filtration and reverse osmosis).
Section 6: Chemical Reaction EngineeringTheories of reaction rates; kinetics of homogeneous reactions, interpretation of kinetic , single and multiple reactions in ideal reactors, kinetics of enzyme reactions (Michaelis-Menten and Monod models), non-ideal reactors; residence time distribution, single parameter model; non-isothermal reactors; kinetics of heterogeneous catalytic reactions; diffusion effects in catalysis; rate and performance equations for catalyst deactivation.
Section 7: Instrumentation and Process ControlMeasurement of process variables; sensors and transducers; P&ID equipment symbols; process modeling and linearization, transfer functions and dynamic responses of various systems, systems with the inverse response, process reaction curve, controller modes (P, PI, and PID); control valves; transducer dynamics; analysis of closed-loop systems including stability, frequency response, controller tuning, cascade, and feed-forward control.
Section 8: Plant Design and EconomicsPrinciples of process economics and cost estimation including depreciation and total annualized cost, cost indices, rate of return, payback period, discounted cash flow, optimization in process design, and sizing of chemical engineering equipment such as heat exchangers and multistage contactors.
Section 9: Chemical TechnologyInorganic chemical industries (sulfuric acid, phosphoric acid, chlor-alkali industry), fertilizers (Ammonia, Urea, SSP and TSP); natural products industries (Pulp and Paper, Sugar, Oil, and Fats); petroleum refining and petrochemicals; polymerization industries (polyethylene, polypropylene, PVC and polyester synthetic fibers).

GATE Chemical Engineering Syllabus PDF

The Indian Institute of Technology Roorkee will publish the GATE Chemical Engineering Syllabus 2025 PDF on its official website The GATE Chemical Engineering Syllabus is distributed into nine primary sections, each covering essential topics.

These sections encompass various subjects such as Engineering Mathematics, Process Calculations and Thermodynamics, Fluid Mechanics and Mechanical Operations, Heat Transfer, Mass Transfer, Chemical Reaction Engineering, Instrumentation and Process Control, Plant Design and Economics, and Chemical Technology. Aspirants can download the GATE Chemical Engineering Syllabus PDF using the direct link provided below.

Download GATE Chemical Engineering Syllabus PDF

GATE Chemical Engineering Syllabus 2025 Marking Scheme

Understanding the marking approach as well as the GATE Chemical Engineering Syllabus 2025 can greatly help aspirants achieve scores. They can prioritize the topics in the GATE exams by being thorough with the marking framework. Further details regarding the GATE syllabus for Chemical Engineering marking criteria are outlined below.

  • In the GATE Chemical Engineering (CH) exam, the General Aptitude (GA) section carries a weightage of 15 marks.
  • The remaining 85 marks are allocated for the subject-specific section.
  • Thus, the total marks for Chemical Engineering are 100.
  • The GATE exam duration is 180 minutes, or 3 hours.

GATE Chemical Engineering Syllabus 2025 Weightage

Applicants can check the Subject Wise Weightage for GATE Chemical Engineering to plan their preparation strategy for every subjects. The marks distribution for GATE 2025 Chemical Engineering are given below:

GATE Chemical Engineering Syllabus Weightage
Stream/ CourseSubjectNumber of QuestionsMarks Allotted
GATE Chemical EngineeringGeneral Aptitude1015
Engineering Mathematics1013
Chemical Engineering Subjects4572


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