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GATE 2026 Syllabus for Chemical Engineering - Candidates can find the GATE 2026 Chemical Engineering syllabus on official website, gate2026.iitg.ac.in. The GATE Chemical Engineering 2026 syllabus is published in PDf form online. The same is updated on this page. The syllabus contains the topics that will be covered in the Graduate Aptitude Test Engineering. The CH paper will have questions from General Aptitude, Engineering Mathematics, and Chemical Engineering. The GATE question paper will be formulated strictly as per the GATE 2026 Chemical Engineering syllabus. To score well in the GATE exam 2026, candidates are advised to cover all the topics listed in the GATE Chemical Engineering syllabus 2026. The authority has scheduled the GATE 2026 exam on February 7, 8, 14, and 15, 2025.
The exam conducting authority will announce the complete information brochure of the GATE 2026 exam for Chemical Engineering. Read the article for the GATE exam pattern, the GATE chemical engineering syllabus pdf, and the best books for GATE Chemical Engineering.
IIT Guwahati has released the GATE 2026 syllabus for CH PDF on the official website, gate2026.iitg.ac.in. Candidates can check the topics in the GATE CH syllabus 2026 below. The major topics that will be included in the GATE 2026 CE syllabus are:
The GATE syllabus 2026 has been updated on the official website, gate2026.iitg.ac.in. Candidates can check the GATE syllabus 2026 on this page.
| 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 numerical solution of differential equations. |
Section 2- Process Calculations and Thermodynamics | Steady 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 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(microfiltration, ultra-filtration, nano-filtration 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; non-isothermal 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 modelling 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 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, chloralkali industry), fertilizers (Ammonia, Urea, SSP and TSP); natural products industries (Pulp and Paper, Sugar, Oil, and Fats); petroleum refining and petrochemicals; polymerization industries (polyethene, polypropylene, PVC, and polyester synthetic fibres). |
Candidates can find below the exam pattern of GATE Chemical Engineering 2026. GATE Chemical Engineering question papers are based on the topics mentioned in the gate CH syllabus pdf. Candidates are advised to prepare for the exam as per the exact exam pattern and GATE Chemical Engineering syllabus 2026 pdf to score good marks in the GATE 2026 exam.
The GATE 2026 Chemical Engineering paper will contain two types of questions:
● Multiple Choice Questions carrying 1 and 2 marks, each having a choice of four answers
● Numerical Ability Type (NAT) questions for which the answers have to be entered by using the virtual keyboard in the monitor.
Students can find the GATE 2026 marking scheme below
● The General Aptitude part will carry a total of 15 marks. There will be a total of 5 questions carrying 1 mark each and 5 questions carrying 2 marks each.
● The Chemical Engineering part will contain 25 questions carrying 1 mark each and 30 questions carrying 2 marks each.
Reference Books | Authors |
|---|---|
Basic Principles and Calculations in Chemical Engineering | David M. Himmelblau |
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 |
Fluid Mechanics | Introduction to Fluid Mechanics by Yunus A. Cengel, John M. Cimbala Introduction to Fluid Mechanics- Fox and Mcdonald |
Chemical Engineering for GATE | Ram Prasad |
Engineering Mathematics | B.S. Grewal |
Transport Phenomena | R. Byron Bird, Warren E. Stewart, Edwin N. Lightfoot |
Chemical Technology | Dryden’s Outlines of Chemical Technology by Gopala Rao M. and Marshall S |
Mass Transfer | Mass Transport Phenomena- Christie J. Geankoplis Mass Transfer Operations-Robert E. Treybal |
Heat Transfer | Heat Transfer- Binay K. Dutta Heat Transfer - Jack Philip Holman |
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 Reaction Engineering | Chemical Reaction Engineering- Fogler & Gurmen Chemical Reaction Engineering- Octave Levenspiel |
Process Dynamics and Control | Process Systems Analysis and Control - Donald R. Coughanowr & Steven E. LeBlanc |
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 |
Frequently Asked Questions (FAQs)
Yes, GATE Chemical Engineering 2026 includes Numerical Answer Type (NAT) questions. NAT questions are a part of the GATE examination in all subjects. These questions do not have negative marking for incorrect answers, and candidates need to enter their answers using a virtual keyboard. Multiple Choice Questions (MCQs) in GATE, on the other hand, may have negative marking based on the question's value.
The syllabus of GATE Chemical Engineering 2026 includes chemical technology, heat transfer, mass transfer, chemical engineering, thermodynamics, etc.
Candidates must either be in their final or third year of undergraduate study in engineering or technology, have obtained a bachelor's degree in engineering or technology, or be in their last year of study, nearing graduation, or having completed a graduate degree in a relevant field of science.
The best books for the preparation of GATE 2026 chemical engineering include Chemical Engineering for GATE by Ram Prasad, Engineering Mathematics by BS Grewal, Heat Transfer by Binay K. Dutta, Heat Transfer by Jack Philip Holman, etc.
Candidates can download the GATE Chemical Engineering syllabus 2026 from the GATE official website.
In the exam, the General Aptitude section holds a weightage of 15%, while the Engineering Mathematics and Chemical Engineering sections collectively account for 85% of the total weightage. Each question in the exam is assigned a fixed mark value, either 1 or 2, as determined by the examination authorities.
On Question asked by student community
Hello dear candidate,
You will not receive another rectification mail unless and until there is still an error in your reuploaded signature. if everything is okay your status will change to accepted on the GATE portal.
My advice is that you should keep checking your application status on the official website of GATE 2026.
Thank you.
Hello,
Visit the below website to download the previous 15 years question paper of GATE exam.
https://engineering.careers360.com/articles/last-15-years-gate-papers-solutions
You'll also get the solutions from it. These question papers will help you a lot in your preparation.
All the best.
This is likely a temporary portal or validation issue, not something you did wrong. When candidates try to change category from GEN to OBC-NCL during the GATE correction window, the system checks required fields and sometimes a supporting certificate or fee is needed. If any required data or document is missing, or the server is busy, the portal can show Something went wrong, please try again. Explain to them that first they should log into the GATE portal, open the Correction tab and confirm which fields are editable and whether a payment or document upload is required for category change. Tell them to clear browser cache or try a different browser/device and retry. If the error persists, advise contacting GATE support or the zonal office with a screenshot and timing of the error so officials can check server logs.
Hello,
The GATE 2026 Agricultural Engineering (AG) paper will have a total of 100 marks. Out of this, 15 marks are for General Aptitude and 85 marks are for core Agricultural Engineering subjects.
The marks are generally distributed among major topics like Engineering Mathematics (12–13 marks), Farm Machinery (10–11), Farm Power (14–15), Soil & Water Conservation (12–13), Irrigation & Drainage (10–12), Agricultural Process Engineering (10–12), and Dairy & Food Engineering (9–10 marks).
The official qualifying marks for GATE 2026 are not yet released. However, based on previous years, the cutoff for the Agricultural Engineering paper is expected to be around 25 marks for General, 22.5 for OBC/EWS, and 16.6 for SC/ST/PwD candidates.
Hope it helps !
Hello dear candidate,
No, you application of GATE 2026 will not get rejected.
Under scrutiny, rectification done means they have got your correction and are checking it. If everything matches your application will be accepted soon.
I hope you find thie helpful. Thank you.
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