GATE 2023 Chemical Engineering Syllabus: If you want to score respectable marks in any exam it is a good strategy to skim through the syllabus of that particular exam because it will give you a sense of confidence.

And in your mind, you will say “Hurray! Yes It’s easy, I can do it”.
Once you sow a seed of this success then grabbing a good rank is no way far from you.
ParticularsGATE 2023 Exam Pattern Details
Examination ModeComputer Based Test (CBT)
Duration3 Hours
Type of Questions(A) Multiple Choice Questions (MCQ)
(B) Remaining types
1. Multiple Select Questions (MSQ) and/or
2. Numerical Answer Type (NAT) Questions
Questions for testing these abilities>Recall
>Analysis and Synthesis
Number of Questions10 (GA) + 55 (subject) = 65 Questions
Distribution of MarksGeneral Aptitude: 15 Marks + Engineering Mathematics: 13 Marks + Subject Questions: 72 Marks = Total: 100 Marks
Marking SchemeQuestions will be of 1 mark or 2 marks
GATE Chemical Engineering Exam pattern

GATE Chemical Engineering Syllabus 2023 and important topics

Section 1: Engineering Mathematics

Gate Chemical Engineering syllabus- Engineering Mathematics

Linear Algebra

  1. Matrix algebra
  2. Systems of linear equations
  3. Eigenvalues and eigenvectors


  1. Functions of single variable,
  2. Limit,
  3. continuity and differentiability
  4. Taylor series
  5. Mean value theorems
  6. Evaluation of definite and improper integrals
  7. Partial derivatives
  8. Total derivative
  9. Maxima and minima
  10. Gradient
  11. Divergence and Curl
  12. Vector identities
  13. Directional derivatives
  14. Line, Surface and Volume integrals
  15. Stokes, Gauss and Green’s theorems

Differential equations

  1. First-order equations (linear and nonlinear)
  2. Higher order linear differential equations with constant coefficients
  3. Cauchy’s and Euler’s equations
  4. Initial and boundary value problems
  5. Laplace transforms
  6. Solutions of one-dimensional heat and wave equations
  7. Laplace equation.

Complex variables

  1. Complex number
  2. polar form of complex number
  3. triangle inequality.

Probability and Statistics

  1. Definitions of probability and sampling theorems
  2. Conditional probability
  3. Mean, median, mode and standard deviation
  4. Random variables
  5. Poisson, Normal and Binomial distributions
  6. Linear regression analysis

Numerical Methods

  1. Numerical solutions of linear and non-linear algebraic equations
  2. Integration by trapezoidal and Simpson’s rule
  3. Single and multi-step methods for the numerical solution of differential equations.

Section 2: Chemical Engineering

Chemical engineering

Process Calculations and Thermodynamics

  1. Steady and unsteady state mass and energy balances including multiphase, multicomponent, reacting and non-reacting systems.
  2. Use of tie components; recycle, bypass and purge calculations
  3. Gibb’s phase rule and degree of freedom analysis.
  4. First and Second laws of thermodynamics
  5. Applications of first law to close and open systems
  6. Second law and Entropy
  7. Thermodynamic properties of pure substances: Equation of State and residual properties
  8. Properties of mixtures: partial molar properties, fugacity, excess properties and activity coefficients
  9. Phase equilibria: predicting VLE of systems
  10. chemical reaction equilibrium

Fluid Mechanics and Mechanical Operations

  1. Fluid statics
  2. surface tension
  3. Newtonian and non-Newtonian fluids
  4. Transport properties
  5. shell-balances including differential form of Bernoulli equation and energy balance
  6. Equation of continuity
  7. equation of motion
  8. equation of mechanical energy
  9. Macroscopic friction factors
  10. dimensional analysis and similitude
  11. flow through pipeline systems
  12. velocity profiles
  13. flow meters
  14. pumps and compressors
  15. elementary boundary layer theory
  16. flow past immersed bodies including packed and fluidized beds
  17. Turbulent flow: fluctuating velocity, universal velocity profile and pressure drop
  1. Particle size and shape
  2. particle size distribution
  3. size reduction and classification of solid particles
  4. free and hindered settling; centrifuge and cyclones
  5. thickening and classification
  6. filtration
  7. agitation and mixing
  8. conveying of solids.

Heat Transfer

  1. Equation of energy,
  2. Steady and unsteady heat conduction
  3. convection and radiation
  4. thermal boundary layer and heat transfer coefficients
  5. boiling, condensation and evaporation
  6. types of heat exchangers and evaporators and their process calculations
  7. Design of double pipe, shell and tube heat exchangers, and single and multiple effect evaporators.

Mass Transfer

  1. Fick’s laws
  2. molecular diffusion in fluids
  3. mass transfer coefficients
  4. film, penetration and surface renewal theories
  5. momentum, heat and mass transfer analogies
  6. stage-wise and continuous contacting and stage efficiencies
  7. HTU & NTU concepts
  8. design and operation of equipment for distillation, absorption, leaching, liquid-liquid extraction, drying, humidification, dehumidification and adsorption
  9. membrane separations (microfiltration, ultra-filtration, nano-filtration and reverse osmosis).

Chemical Reaction Engineering

  1. Theories of reaction rates
  2. kinetics of homogeneous reactions
  3. interpretation of kinetic data
  4. single and multiple reactions in ideal reactors
  5. non-ideal reactors
  6. residence time distribution
  7. single parameter model
  8. non-isothermal reactors
  9. kinetics of heterogeneous catalytic reactions
  10. diffusion effects in catalysis
  11. rate and performance equations for catalyst deactivation

Instrumentation and Process Control

  1. Measurement of process variables
  2. sensors and transducers
  3. P&ID equipment symbols
  4. process modeling and linearization
  5. transfer functions and dynamic responses of various systems
  6. systems with inverse response
  7. process reaction curve
  8. controller modes (P, PI, and PID)
  9. control valves
  10. transducer dynamics
  11. analysis of closed-loop systems including stability
  12. frequency response
  13. controller tuning
  14. cascade and feedforward control.

Plant Design and Economics

  1. Principles of process economics and cost estimation including depreciation and total annualized cost
  2. cost indices
  3. rate of return
  4. payback period
  5. discounted cash flow
  1. optimization in process design and sizing of chemical engineering equipment such as heat exchangers and multistage contactors.

Chemical Technology

  1. Inorganic chemical industries (sulfuric acid, phosphoric acid, Chlor-alkali industry)
  2. fertilizers (Ammonia, Urea, SSP and TSP)
  3. natural products industries (Pulp and Paper, Sugar, Oil, and Fats)
  4. petroleum refining and petrochemicals
  5. polymerization industries (polyethylene, polypropylene, PVC and polyester synthetic fibers).

Section 3: General Aptitude (GA)

The following image is self-evident about the general aptitude for GATE 2022.

General aptitude for GATE syllabus
GATE Chemical Engineering syllabus- General Aptitude

Did you get something?

If you get the point that I want to illustrate by using the above image, please comment below what you get and share this with your friends and ask if they are wise enough like you.

Verbal Aptitude

  1. Basic English grammar:
    1. Tenses
    2. articles
    3. adjectives
    4. prepositions
    5. conjunctions
    6. verb-noun agreement and other parts of speech.
  2. Basic vocabulary:
    1. words
    2. idioms, and phrases in context Reading,
  3. Comprehension and Narrative sequencing

Quantitative Aptitude

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

Analytical Aptitude

  1. Logic
    1. deduction and induction Analogy
  2. Numerical relations and reasoning

Spatial Aptitude

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

Here is updated general aptitude syllabus for gate 2023.

GATE 2021 syllabus for Chemical Engineering pdf

Source: Official website of GATE 2021 IIT Bombay.

Important Topics: GATE Chemical engineering syllabus 2023

I have listed the complete Chemical engineering syllabus for GATE 2023 but how the GATE exam gives its weightage to all. After doing research over the last few years’ GATE Chemical engineering question papers I have prepared a GATE Chemical Engineering subject wise weightage chart below.

GATE Chemical Engineering subject wise weightage

Best Reference Books GATE 2023 Chemical engineering syllabus

The best key to cover the complete GATE Chemical engineering syllabus is the practice of last years question papers. Any question you couldn’t solve with your existing knowledge, upgrade your concept knowledge as per the syllabus requirement. You can write below if you need more specific insight in self-preparation Tips

GATE 2023 syllabus sectionBook NameBest Self GATE preparation Tips
Engineering Mathematics Higher Engineering Mathematics by B. S. GrewalJust brush up concepts then Practice last 20 years Engineering Mathematics questions of all branches(ME,CE etc)
General AptitudeRS Agarwal – Quantitative Aptitude + Logical Reasoning, CAT preparation book by Arun SharmaPractice of Last 20 years General Aptitude questions from all GATE subjects are more than enough. For English start reading News papers and current affair magazines(will fetch you manifold benefits).
Chemical EngineeringGATE Chemical Engineering: A Text Book by Ram Prasad (Author)Analyze last 10 years question papers. Solve as many question you can. where ever you stuck revise your concept and practice question on that Concept.
Best Reference Books GATE 2022 Chemical engineering syllabus

Also check: A complete guide on Best GATE Chemical engineering books

FAQ: GATE Chemical Engineering Syllabus 2023

Is Chemical Engineering a good career?

Yes, Definitely, Making your career in Chemical Engineering is a good career option because It opens many doors for you in the field of Oil and gas, Fertilizers, Food and beverages, Research and Development, space research industry and many more. You name the industry a Chemical Engineer can work there.

What is syllabus for GATE 2022 exam?

GATE exam syllabus is designed in a pattern that it covers Engineering Mathematics, General Aptitude, and Engineering Subject knowledge.

What is the GATE 2022 chemical engineering syllabus?

GATE 2022 Chemical engineering syllabus consists of 3 sections, Engineering Mathematics, General Aptitude, and Core Chemical Engineering subjects. Chemical Engineering subjects carries 70 marks out of 100.

Is GATE 2021 syllabus changed?

Yes, It changed but minor changes are made in it. You don’t have to be worried about it because we have presented Updated GATE 2021 Chemical engineering syllabus here.

Is GATE compulsory for M Tech?

No, GATE is not compulsory for M Tech. There are many other ways to get an admission in IITs and NITs. IIT provide opportunity to many B Tech students from IITs who have secured specified marks in their B Tech to apply for M Tech admission. If you are seeking a stipend from MHRD you must have a valid GATE score card.

How many attempts are there in GATE?

There is no limit to attempts for GATE exam. You can attempt GATE as many times as you want.


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