–Chemical Engineering (CH) —
— Chemical Engineering (CH) —
Candidate qualifying for GATE Exam 2022/2023 in Chemical Engineering stream, can secure an admission in IITs/IISc and explore career opportunity in PSU Jobs. Aspirants of Gate Chemical i.e. those who are appearing for GATE 2022 Chemical Engineering Exam, are required to understand syllabus thoroughly before starting preparation.
Instrumentation and Process Control
 Measurement of process variables; sensors and transducers; P&ID equipment symbols; process modeling and linearization, transfer functions anddynamic 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.
Process Calculations and Thermodynamics
 Steady and unsteady state mass and energy balances including multiphase, multicomponent, reacting and non reacting systems. Use of tiecomponents; 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.
Fluid Mechanics and Mechanical Operations
 Fluid statics, surface tension, Newtonian and nonNewtonian fluids, transport properties, shellbalances including differential form of Bernoulliequation 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.
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.
Mass Transfer
 Fick’s laws, molecular diffusion in fluids, mass transfer coefficients, film, penetration and surface renewal theories; momentum, heat and masstransfer analogies; stagewise and continuous contacting and stage efficiencies; HTU & NTU concepts; design and operation of equipment for distillation, absorption, leaching, liquidliquid extraction, drying, humidification, dehumidification and adsorption, membrane separations (microfiltration, ultrafiltration, nanofiltration and reverse osmosis).
Chemical Reaction Engineering
 Theories of reaction rates; kinetics of homogeneous reactions, interpretation of kinetic data, single and multiple reactions in idealreactors, kinetics of enzyme reactions (MichaelisMenten and Monod models), nonideal 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.
Engineering Mathematics
1. Linear Algebra: Matrix algebra, Systems of linear equations, Eigen values and eigenvectors.
2. 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.
3. 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.
4. Complex variables: Complex number, polar form of complex number, triangle inequality.
5. 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.
6. Numerical Methods: Numerical solutions of linear and nonlinear algebraic equations. Integration by trapezoidal and Simpson’s rule. Single and multistep methods for numerical solution of differential equations.
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 equipments such as heat exchangers and multistage contactors.
Chemical Technology
 Inorganic chemical industries (sulfuric acid, phosphoric acid, chloralkali industry), fertilizers (Ammonia, Urea, SSP and TSP); natural productsindustries (Pulp and Paper, Sugar, Oil, and Fats); petroleum refining and petrochemicals; polymerization industries (polyethylene, polypropylene, PVC and polyester synthetic fibers).
Change in syllabus 2022
Removed topic  Added topic  Removed topic  Added topic 

Section 1: Engineering Mathematics
Linear Algebra: NA Calculus: NA Differential equations: NA Complex variables: NA Probability and Statistics: NA Numerical Methods: NA 
Section 1: Engineering Mathematics
Linear Algebra: NA Calculus: NA Differential equations: NA Complex variables: NA Probability and Statistics: NA Numerical Methods: NA 
Section 2: Process Calculations and Thermodynamics:NA  Section 2: Process Calculations and Thermodynamics : NA 
3: Fluid Mechanics and Mechanical Operations: NA  Section 3: Fluid Mechanics and Mechanical Operations
surface tension, , transport properties, equation of continuity, equation of motion, equation of mechanical energy. 
Section 4: Heat Transfer:NA  Section 4: Heat Transfer
Equation of energy, 
Section 5: Mass Transfer:NA  Section 5: Mass Transfer: Membrane separations(microfiltration, ultrafiltration, nanofiltration and reverse osmosis).  Section 6: Chemical Reaction Engineering:NA  Section 6: Chemical Reaction Engineering
kinetics of enzyme reactions (MichaelisMenten and Monod models), rate and performance equations for catalyst deactivation 
Section 7: Instrumentation and Process Control:NA  Section 7: Instrumentation and Process Control:P&ID equipment symbols; transducer dynamics;  Section 8: Plant Design and Economics optimization in process design and sizing of chemical engineering equipments such as compressors.  Section 8: Plant Design and Economics: NA

Section 9: Chemical Technology:NA  Section 9: Chemical Technology :NA 