GATE CH Syllabus 2027: Section-Wise Topics, PDF & Exam Pattern

GATE CH Exam Pattern 2027

Particulars

Details

Exam Name

GATE 2027

Organising Institute

IIT Madras

Paper Code

CH

Paper Name

Chemical Engineering

Total Marks

100

General Aptitude

15 Marks

Engineering Mathematics

13 Marks (Approx.)

Core Chemical Engineering Subjects

72 Marks (Approx.)

Examination Mode

Computer-Based Test (CBT)

Question Types

MCQ, MSQ and NAT

Duration

3 Hours

GATE CH Syllabus 2027 Section-Wise Topics

Section

Topics Covered

Section 1: Engineering Mathematics

Linear Algebra: Matrix algebra, systems of linear equations, eigenvalues and eigenvectors.

Calculus: Functions of a single variable, limits, continuity, differentiability, Taylor series, Mean Value Theorem, definite and improper integrals, partial and total derivatives, maxima and minima, gradient, divergence, curl, vector identities, directional derivatives, line, surface and volume integrals, Stokes', Gauss' and Green's theorems.

Differential Equations: First-order and higher-order differential equations, Cauchy's and Euler's equations, initial and boundary value problems, Laplace transforms, one-dimensional heat, wave and Laplace equations.

Complex Variables: Complex numbers and polar form.

Probability & Statistics: Probability, conditional probability, sampling theorems, random variables, mean, median, mode, standard deviation, Poisson, Normal and Binomial distributions.

Fundamentals of AI/ML: Linear Regression and Principal Component Analysis (PCA).

Numerical Methods: Numerical solutions of linear and nonlinear equations, trapezoidal and Simpson's rules, numerical solution of ODEs and finite difference methods for PDEs.

Section 2: Process Calculations

Steady and unsteady state mass and energy balances, multiphase and multicomponent systems, reacting and non-reacting systems, tie components, recycle, bypass and purge calculations, Gibbs phase rule and degree of freedom analysis.

Section 3: Thermodynamics

Laws of thermodynamics, open and closed systems, entropy, chemical potential, thermodynamic properties of pure substances and mixtures, equations of state, residual properties, fugacity, activity coefficients, phase equilibria (VLE), and chemical reaction equilibrium.

Section 4: Fluid Mechanics and Mechanical Operations

Newtonian and non-Newtonian fluids, fluid statics, surface tension, fluid kinematics, continuity equation, momentum and energy equations, friction factors, dimensional analysis, similitude, Euler equation, Bernoulli equation, flow meters, pumps, turbulent flow, boundary layer theory, packed and fluidised beds, particle size analysis, size reduction, settling, centrifuges, cyclones, filtration, thickening, clarification, agitation and mixing.

Section 5: Heat Transfer

Energy equation, steady and unsteady heat conduction, convection and radiation, thermal boundary layer, boiling, condensation, evaporation, heat exchangers, evaporators, process calculations, design of double pipe and shell-and-tube heat exchangers, and single- and multiple-effect evaporators.

Section 6: Mass Transfer

Fick's laws, molecular diffusion, mass transfer coefficients, film, penetration and surface renewal theories, momentum, heat and mass transfer analogies, stage-wise and continuous contacting, stage efficiencies, HTU and NTU concepts, distillation, absorption, leaching, liquid-liquid extraction, drying, humidification, dehumidification, adsorption and membrane separation processes.

Section 7: Chemical Reaction Engineering

Reaction rate theories, homogeneous reaction kinetics, kinetic data interpretation, single and multiple reactions in ideal reactors, enzyme kinetics (Michaelis-Menten and Monod models), residence time distribution, non-ideal and non-isothermal reactors, heterogeneous catalysis, diffusion effects and catalyst deactivation.

Section 8: Instrumentation and Process Control

Process variable measurement, sensors and transducers, P&ID symbols, process modelling, linearisation, state-space models, transfer functions, dynamic response, inverse response systems, process reaction curve, P, PI and PID controllers, control valves, stability analysis, frequency response, controller tuning, cascade and feed-forward control.

Section 9: Plant Design and Economics

Process economics, cost estimation, depreciation, total annualised cost, cost indices, rate of return, payback period, discounted cash flow, optimisation in process design, sizing of heat exchangers and multistage contactors, and batch plant scheduling.

Section 10: Chemical Technology

Manufacturing processes, raw materials and unit operations related to synthesis gas, sulphuric acid, phosphoric acid, chlor-alkali industry, ammonia, urea, pulp and paper, sugar and ethanol, petroleum refining, petrochemicals (ethyl benzene, styrene, ethylene oxide), polyethylene and polyester production.