GATE Chemical Engineering Syllabus 2025: Check Topics, Weightage, Download PDF

Updated By Rupsa on 26 Aug, 2024 10:59

Registration Starts On August 28, 2024

IIT Roorkee has released the GATE 2025 syllabus PDF for all 30 papers. There have been no changes in the GATE syllabus 2025. Access the GATE syllabus 2025 PDF from this page.

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GATE 2025 Syllabus for CH

The GATE Chemical Engineering syllabus 2025 has been announced by the Indian Institute of Technology, Roorkee at gate2025.iitr.ac.in. GATE 2025 Chemical Engineering syllabus comprises a variety of topics such as Linear Algebra, Numerical Methods, Mass Transfer, Plant Design and Economics, etc. The GATE syllabus 2025 of Chemical Engineering involves a total of 9 sections namely 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. 

Moreover, if we talk about the marking scheme of GATE CH syllabus 2025, then the General Aptitude will be a total of 15 marks, Engineering Mathematics will be a total of 13 marks, and the subject questions will be 72 marks. More details related to the GATE 2025 Chemical Engineering syllabus are provided below.

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GATE Computer Science & Information Technology Syllabus 2025GATE Electrical Engineering Syllabus 2025GATE Mechanical Engineering Syllabus 2025
GATE Instrumentation Engineering Syllabus 2025--

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GATE CH Syllabus 2025 Section-Wise Topics

A total of 9 sections are there in the GATE CH syllabus 2025. However, all the sections that cover the GATE 2025 CH syllabus include Engineering Mathematics, Process Calculations, Thermodynamics, Fluid Mechanics and Mechanical Operations, etc. Let us know the section-wise syllabus of GATE 2025 from below:-

Section 1: Engineering Mathematics

Name of the Chapters

Sub-sections

Linear Algebra

Matrix algebra, Systems of linear equations, Eigenvalues and eigenvectors

Calculus

Functions of 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 numerical solution of differential equations

Section 2: Process Calculations and Thermodynamics

Steady and unsteady state mass and energy balances including multiphase, multi-component, 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 Operations

Fluid 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 classification of solid particles; free and hindered settling; centrifuge and cyclones; thickening and classification, filtration, agitation and mixing; conveying of solids.

Section 4: Heat Transfer

Equation 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 Transfer

Fick’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, nanofiltration and reverse osmosis).

Section 6: Chemical Reaction Engineering

Theories of reaction rates; kinetics of homogeneous reactions, interpretation of kinetic data, 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; nonisothermal reactors; kinetics of  heterogeneous catalytic reactions; diffusion effects in catalysis; rate and performance equations for catalyst deactivation.

Section 7: Instrumentation and Process Control

Measurement of process variables; sensors and transducers; P&ID equipment symbols; process modeling and linearization, transfer functions and dynamic responses of various systems, systems with 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 Economics

Principles 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 Technology

Inorganic 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).

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GATE CH Syllabus 2025 for General Aptitude

The candidates should note that the syllabus of General Aptitude is constant for all the GATE subjects. While doing the preparation of the GATE 2025 CH syllabus, the candidates must also cover the GA section, for it contains 15% weightage. Furthermore, the candidates can find the GATE Chemical Engineering GA syllabus 2025 in the table below:-

Name of the Sections

Topics

Spatial Aptitude

Transformation of shapes: translation, rotation, scaling, mirroring, assembling, and grouping Paper folding, cutting, and patterns in 2 and 3 dimensions

Verbal Aptitude

Basic English grammar: tenses, articles, adjectives, prepositions, conjunctions, verb-noun agreement, and other parts of speech Basic vocabulary: words, idioms, and phrases in context Reading and comprehension Narrative sequencing

Analytical Aptitude

Logic: deduction and induction, Analogy, Numerical relations and reasoning

Quantitative Aptitude

Data interpretation: data graphs (bar graphs, pie charts, and other graphs representing data), 2- and 3-dimensional plots, maps, and tables Numerical computation and estimation: ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series Mensuration and geometry Elementary statistics and probability. 

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GATE 2025 CH Syllabus PDF

The pdf format of GATE Chemical Engineering syllabus 2025 has been released by IIT Roorkee on its official website. Moreover, the candidates can download the GATE 2025 CH syllabus pdf with the help of the link below:-

GATE CH Syllabus 2025 PDF Download Link

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GATE CH Syllabus 2025 Important Topics

While studying for the Chemical Engineering paper of GATE, the candidates must focus more on the important topics and allot more time to those topics as compared to the others. Moreover, a detailed description of the section-wise important topics for GATE 2025 Chemical Engineering can be found below:-

Sections

Important Topics

Engineering MathematicsMatrix algebra; Functions of a single variable, Limit, continuity and differentiability; First-order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients
Process Calculations and ThermodynamicsUse of tie components; recycle, bypass, and purge calculations; Gibb’s phase rule and degree of freedom analysis First and Second laws of thermodynamics
Fluid Mechanics and Mechanical OperationsNewtonian and non-Newtonian fluids, transport properties, shell-balances including differential form of Bernoulli equation and energy balance; Turbulent flow: fluctuating velocity
Heat TransferTypes of heat exchangers and evaporators and their process calculations
Mass TransferFick’s laws, molecular diffusion in fluids, mass transfer coefficients; HTU & NTU concepts; design and operation of equipment for distillation, absorption
Chemical Reaction EngineeringTheories of reaction rates; kinetics of homogeneous reactions; kinetics of heterogeneous catalytic reactions
Instrumentation and Process ControlMeasurement of process variables; sensors and transducers; P&ID equipment symbols; control valves; transducer dynamics; analysis of closed-loop systems including stability, frequency response, controller tuning, cascade, and feed-forward control.
Plant Design and EconomicsPrinciples of process economics and cost estimation including depreciation and total annualized cost, cost indices
Chemical TechnologyInorganic chemical industries (sulfuric acid, phosphoric acid, chlor-alkali industry), fertilizers (Ammonia, Urea, SSP and TSP); polymerization industries (polyethylene, polypropylene, PVC and polyester synthetic fibers).

Spatial Aptitude

  • Translation
  • Assembling and grouping Paper-folding
  • Transformation of shapes

Verbal Aptitude

  • Tenses
  • Basic Vocabulary
  • Verb-Noun Agreement
  • Conjunctions
  • Prepositions

Analytical Aptitude

  • Analogy
  • Numerical Relations and Reasoning
  • Deduction & Induction

Quantitative Aptitude

  • Data graphs
  • Ratios
  • Percentages
  • Permutations and Combinations
  • Series Mensuration and Geometry Elementary statistics and probability

GATE CH Syllabus 2025 Topic-Wise Weightage (Expected)

Knowing about the weightage of the topics for GATE 2025 Chemical Engineering syllabus can help students prepare better for the examination. They can assess the importance of the various sections and topics based on the weightage. Take a look at the tentative topic-wise weightage of GATE CH syllabus 2025 in the table below:-

Name of the Topics

Expected Weightage of Questions (in %)

Fluid Mechanics and Mechanical Operations

11-13

Chemical Reaction Engineering

12-14

Engineering Mathematics

11-13

Chemical Technology

5-7

Process Calculations and Thermodynamics

3-5

Instrumentation and Process Control

7-9

Heat Transfer

8-10

Plant Design and Economics

3-5

Mass Transfer

11-13

How to Prepare for GATE CH Syllabus 2025

The preparation of GATE 2025 Chemical Engineering syllabus takes a lot of effort. The candidates, while doing the preparation should follow the specified tips so as to abstain from being tired and confused. Let us discuss about the preparation tips for GATE CH syllabus 2025:-

  • Start as soon as possible: The candidates should start preparing for the GATE CH exam as soon as possible. Doing this will lead to the completion of the preparation in due time and leave plenty of time for revision.

  • Know your syllabus & the exam pattern: It is very important for the candidates to have a complete idea of the syllabus as well as the GATE exam pattern 2025. The candidates are also advised to make a note of all the important topics.

  • Make a proper timetable: Before starting the study, it is advisable for the candidates to make a proper timetable and promise themselves to follow it strictly.

  • Solve the previous year question papers & sample papers: Solving the GATE previous year question papers of Chemical Engineering will help the candidate understand better about the exam pattern, time taken in solving the sample paper, marking scheme, types of questions, etc.

  • Know your strengths & weaknesses: It is extremely important for the candidates to know their strengths & weaknesses. Following that, one should give more time to the difficult topics as compared to the easy topics.

Best Books for GATE CH Syllabus 2025

The candidates interested in studying the course of Chemical Engineering must refer to the recommended books while preparing for the GATE 2025 examination. Let us know more about the recommended books of GATE 2025 Chemical Engineering syllabus below:-

Name of the Books

Name of the Authors

Chemical Reaction Engineering

Fogler & Gurmen, Octave Levenspiel

Mechanical Operation

Unit Operations of Chemical Engineering -Warren McCabe, Julian Smith, Peter Harriott

Mechanical Operation For Chemical Engineering by Narayanan C. M. & Bhattacharyya B. C

Chemical Process Control

An Introduction To Theory And Practice- Stephanopoulos.

Process dynamics and control - Seborg, D.E., Edgar, T.F. and Mellichamp, D.A

Plant design and Economics- Peters M. S. and Timmerhaus K. D

Thermodynamics

A Textbook of Chemical Engineering Thermodynamics - K. V. Narayanan.

An Introduction to Chemical Engineering Thermodynamics-J. M. Smith, H. C. Van Ness, M. M. Abbott

Process Dynamics and Control

Process Systems Analysis and Control - Donald R. Coughanowr & Steven E. LeBlanc

Chemical Technology

Dryden’s Outlines of Chemical Technology by Gopala Rao M. and Marshall S

Engineering Mathematics

B.S. Grewal

Heat Transfer

Heat Transfer- Binay K. Dutta

Heat Transfer - Jack Philip Holman

Basic Principles and Calculations in Chemical Engineering

David M. Himmelblau

Chemical Engineering for GATE

Ram Prasad

Mass Transfer

Mass Transport Phenomena- Christie J. Geankoplis

Mass Transfer Operations-Robert E. Treybal

Transport Phenomena

R. Byron Bird, Warren E. Stewart, Edwin N. Lightfoot

Fluid Mechanics

Introduction To Fluid Mechanics by Yunus A. Cengel, John M. Cimbala

Introduction to Fluid Mechanics- Fox and Mcdonald

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