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    About GATE 2021 Exam


    Graduate Aptitude Test in Engineering (GATE) 2021 exam is an examination which is conducted by seven Indian institute of Technology (Bombay, Delhi, Guwahati, Kanpur, Kharagpur, Madras and Roorkee), IISC On behalf of National Coordination Board (NCB)-GATE, Department of Higher Education, Ministry of Human Resource Development (MHRD), Government of India

    Brief About GATE 2021 Exam

    The GATE 2021 paper will be held on First week of February tentatively across various cities. A as we know GATE Exam is conducted national level and it is attempted by around 9 lakh candidates; a simple preparation strategy may not sufficient need work smart

    The GATE 2021 examination centres are spread in different cities across India, not only that in six cities outside India also. The GATE 2021 examination would be purely a Computer Based Test (CBT).

    GATE Chemical Engineering as a Course

    A degree in Chemical Engineering requires a strong background in Chemistry and Mathematics, while core knowledge of other subjects in Science like Physics, Biology or Computer Science are beneficial. In order to prove your interest in pursuing a Chemical Engineering degree, you should have an understanding of the nature of Chemical Engineering and its various real-world applications.


    What are the Various courses after GATE Chemical Engineering?


    There are several courses that you can opt for in order to transcend your career after GATE Chemical Engineering. 


    After that, you can purse with:

    • Master of Engineering (M Eng)

    • Master of Technology (M Tech)

    • Master of Science (MS or MSc)


    And further more

    • Doctor of Philosophy (PhD). 



    GATE Exam 2021 | Chemical engineering syllabus (CH)


    Section 1: Engineering Mathematics

    Linear Algebra: Matrix algebra, Systems of linear equations, Eigen values 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, 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, Newtonian and non-Newtonian fluids, shell-balances including differential form of Bernoulli equation and energy balance, Macroscopic friction factors, dimensional analysis and similitude, flow through pipeline systems, 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 

    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


    Section 7: Instrumentation and Process Control 


    Measurement of process variables; sensors, transducers and their dynamics, 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; 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’s such as compressors, heat exchangers, 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).


    How to prepare for GATE Exam 2021, chemical engineering exam it? 


    The dream is not what you see in sleep, dream is which does not let you sleep. – Dr. ABJ Kalam.

    Below listed are some tips and tricks, for a GATE exam 2021 aspirant, to crack the GATE exam 2021 with flying colours:

    Struggles makes a man achieve success 

    Practice on regular basis to solve GATE exam problems and clear doubts. It is rightly said that perfection comes out of practice. Take help of GATE exam previous year questions to practice regularly to polish your preparation. Solving GATE mock papers and GATE exam sample papers will provide an additional help. The number of questions solved by you will directly be proportional to the results achieved.

    Time is precious, use it wisely.

    Time management is the key to any success. Time is precious and ones lost can never be recovered again. Time management skills are must while preparing for any exam. It is important to devote your time to all the important topics. In the exam hall also, managing time is as important as knowing the answers. Working hard day and night is required but giving time to yourself to relax your brain and body is also equally necessary.

    Nothing is Impossible, the word itself says, “I M (am) Possible”

    Nothing is impossible if you work hard with a combination of dedication and efforts. Do not let yourself get demotivated. Feed yourself with spoons of motivation as a positive attitude is an advantageous tip for the preparation. Do not lose hope even if you find it difficult to cope up sometimes. De-stress yourself whenever required.


    Example:


    Most of the things which you use every day have probably been through some form of chemical process on the way to you. If this did not happen, you would not be able to make much use of it.


    For example: TV sets, music systems and computers originally start out as resources of crude oil and minerals. From these, metals, semi-conductors, glass and plastics are produced, in quantity, by chemical engineering. These materials are passed to engineers of other disciplines to produce components for, and to assemble, the finished products as you 

    See them and use them.


    Practically everything that you keep in the fridge has also been through some kind of engineering process. Dairy produce and fruit juices have met with biochemical engineering. For example, live yogurt has the right kind of bacteria in it and fruit juice is very nutritious, despite the fact that it is probably produced from a concentrate. If there is any chocolate in the fridge, then this too is the result of some very well-controlled process engineering.


    The fridge itself is a product of process engineering. It extends the ‘shelf life’ of food by holding it at temperatures where natural biological processes, such as the growth of fungi and bacteria, are almost at a standstill. This helps us to make better use of food we buy or grow and so we waste less of it. Much of this food stays refrigerated during transport and storage in shops and supermarkets. Whatever items you use in the bathroom (soap, shampoo, shower gel, toothpaste) there is a good chance that this too has been engineered.


    Whether you read this information on paper or on some type of display screen, chemical engineering has helped to make these media.


    These are just a few examples - see how many others you can think of.

    Chemical engineers play an important role in determining our standard of living and quality of life. Their activities are concerned with the use of science and engineering concepts to design efficient processes, turning raw materials into valuable products for human use.

    Chemical engineers use their skills to optimise these processes. Natural resources are used sustainably and our daily products are produced economically. Chemical engineers create and manufacture materials and products we use every day. These include plastics, pharmaceuticals, personal care products, petrochemicals, agrochemicals, biomaterials and cement.