{"id":58175,"date":"2024-11-12T17:18:51","date_gmt":"2024-11-12T11:48:51","guid":{"rendered":"https:\/\/pwonlyias.com\/stage\/?p=58175"},"modified":"2024-11-12T18:54:09","modified_gmt":"2024-11-12T13:24:09","slug":"upsc-ifs-mains-chemical-optional-paper","status":"publish","type":"post","link":"https:\/\/pwonlyias.com\/stage\/upsc-ifs-mains-chemical-optional-paper","title":{"rendered":"IFS Mains Chemical Optional Paper: Pattern, Format and Trend Analysis"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><strong>UPSC IFS Mains Chemical Optional Paper:<\/strong> The <a href=\"https:\/\/pwonlyias.com\/stage\/upsc-indian-forest-service-exam-overview\/\" target=\"_blank\" rel=\"noopener\">UPSC IFS<\/a> mains consist of a total of six papers with a total of 1400 marks. The IFS Mains examination includes two papers:<\/span><b> one on English and one on General Knowledge.<\/b><span style=\"font-weight: 400;\"> The remaining four papers <\/span><b>(Paper I, Paper II, Paper III, and Paper IV)<\/b><span style=\"font-weight: 400;\"> cover optional subjects.<\/span> Among the optional subjects, Chemical Engineering is a popular choice for candidates with a background in this field. This optional paper is divided into two papers\u2014Paper I and Paper II\u2014each carrying 200 marks, totaling 400 marks for the Chemical Engineering optional.<\/p>\n<h2><span style=\"font-size: 18pt;\"><b>UPSC IFS Mains Chemical Optional Paper Syllabus<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In the UPSC IFoS Mains exam, Chemical Optional Paper consists of two types, specifically Paper I and Paper II. Each of these papers carries a weightage of 200 marks, summing up to a total of 400 marks for this optional subject. Among the various optional subjects offered by UPSC in IFoS, Chemical Engineering is one of the 14 optional subjects available to candidates.<\/span><\/p>\n<table style=\"width: 100.2%;\">\n<tbody>\n<tr>\n<td style=\"width: 14.3574%;\">\n<p style=\"text-align: center;\"><b>Chemical Engineering<\/b><\/p>\n<\/td>\n<td style=\"width: 85.5169%;\">\n<p style=\"text-align: center;\"><b>Syllabus<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 14.3574%;\"><b>Paper I<\/b><\/td>\n<td style=\"width: 85.5169%;\"><b><i>Fluid and Particle Dynamics Viscosity of fluids.<\/i><\/b><span style=\"font-weight: 400;\"> Laminar and turbulent flows. Equation of continuity and NavierStokes equition-Bernoulli&#8217;s theorem. Flow meters. Fluid drag and pressure drop due to friction, Reynold&#8217;s Number and friction factor &#8211; effect of pipe roughness. Economic pipe diameter. Pumps, water, air\/steam jet ejectors, compressors, blowers and fans. Agitation and mixing of liquids. Mixing of solids and pastes. Crushing and Grinding &#8211; principles and equipment. Rittinger&#8217;s and Bond&#8217;s laws. Filtration and filtration equipment. Fluid-particle mechanics &#8211; free and hindered settling. Fluidisation and minimum fluidization velocity, concepts of compressible and incompressible flow. Transport of Solids.\u00a0<\/span><\/p>\n<p><b><i>Mass Transfer, <\/i><\/b><span style=\"font-weight: 400;\">Molecular diffusion coefficients, First and second law and diffusion, mass transfer coefficients, film and penetration theories of mass transfer. Distillation, simple distillation, relative volatility, fractional distillation, plate and packed columns for distillation. Calculation of theoretical number of plates. Liquid-liquid equilibria. Extraction &#8211; theory and practice; Design of gas-absorption columns. Drying. Humidification, dehumidification. Crystallisation. Design of equipment.<\/span><\/p>\n<p><b>Heat Transfer <\/b><span style=\"font-weight: 400;\">Conduction, thermal conductivity, extended surface heat transfer. Convection &#8211; free and forced. Heat transfer coefficients &#8211; Nusselt Number. LMTD and effectiveness. NTU methods for the design of Double Pipe and Shell &#038; Tube Heat Exchangers. Analogy between heat and momentum transfer. Boiling and condensation heat transfer. Single and multiple-effect evaporators. Rediation &#8211; StefanBoltzman Law, emissivity and absorptivity. Calculation of heat load of a furnace. Solar heaters.\u00a0\u00a0<\/span><\/p>\n<p><b>Noval Separation Processes<\/b><span style=\"font-weight: 400;\"> Equilibrium separation processes \u2013 ion-exchange, osmosis, electro-dialysis, reverse osmosis, ultra-filtration and other membrane processes. Molecular distillation. super critical fluid extraction. (e) Process Equipment Design Factors affecting vessel design criteria &#8211; Cost considerations. Design of storage vessels-vertical, horizontal spherical, underground tanks for atmospheric and higher pressure. Design of closures flat and elliptical head. Design of supports. Materials of construction-characteristics and selection.<\/span><\/p>\n<p><b>Process Dynamics and Control Measuring <\/b><span style=\"font-weight: 400;\">instruments for process variables like level, pressure, flow, temperature pH and concentration with indication in visual\/pneumatic\/analog\/digital signal forms. Control variable, manipulative variable and load variables. Linear control theoryLaplace, transforms. PID controllers. Block diagram representation transient and frequency response, stability of closed loop system. Advanced control strategies. Computer based process control.\u00a0\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 14.3574%;\"><b>Paper II<\/b><\/td>\n<td style=\"width: 85.5169%;\"><b>Material and Energy Balances Material<\/b><span style=\"font-weight: 400;\"> and energy balance calculations in processes with recycle\/bypass\/purge. Combustion of solid\/ liquid\/gaseous fuels, stoichiometric relationships and excess air requirements. Adiabatic flame temperature.<\/span><\/p>\n<p><b><i>Chemical Engineering Thermodynamics Laws<\/i><\/b><span style=\"font-weight: 400;\"> of thermodynamics. PVT relationships for pure components and mixtures. Energy functions and inter-relationships &#8211; Maxwell&#8217;s relations. Fugacity, activity and chemical potential. Vapour-liquid equilibria, for ideal\/non-ideal, single and multicomponent systems. criteria for chemical reaction equilibrium, equilibrium constant and equilibrium conversions. Thermodynamic cycles &#8211; refrigeration and power.<\/span><\/p>\n<p><b><i>Chemical Reaction Engineering :<\/i><\/b><span style=\"font-weight: 400;\"> Batch reactors &#8211; kinetics of homogeneous reactions and interpretation of kinetic data. Ideal flow reactors &#8211; CSTR, plug flow reactors and their performance equations. Temperature effects and run-away reactions. Heterogeneous reactions \u2013 catalytic and non-catalytic and gas-solid and gas-liquid reactions. Intrinsic kinetics and global rate concept. Importance of inter-phase and intra-particle mass transfer on performance. Effectiveness factor. Isothermal and non-isothermal reactors and reactor stability.\u00a0\u00a0<\/span><\/p>\n<p><b><i>Chemical Technology Natural organic products <\/i><\/b><span style=\"font-weight: 400;\">&#8211; Wood and wood-based chemicals, pulp and paper, Agro industries &#8211; sugar, Edible oils extraction (including tree based seeds), Soaps and detergents. Essential oils \u2013 Biomass gasification (including biogas). Coal and coal chemical. Petroleum and Natural gas-Petroleum refining (Atomospheric distillation\/cracking\/reforming) &#8211; Petrochemical industries \u2013 Polyethylenes 31 (LDPE\/HDPE\/LLDPE), Polyvinyl Chloride, Polystyrene. Ammonia manufacture. Cement and lime industries. Paints and varnishes. Glass and ceremics. Fermentation &#8211; alcohol and antibiotics.\u00a0<\/span><\/p>\n<p><b><i>Environmental Engineering and Safety Ecology <\/i><\/b><span style=\"font-weight: 400;\">and Environment. Sources of pollutants in air and water. Green house effect, ozone layer depletion, acid rain. Micrometeorology and dispersion of pollutants in environment. Measurement techniques of pollutant levels and their control strategies. Solid wastes, their hazards and their disposal techniques. Design and performance analysis of pollution control equipment. Fire and explosion hazards rating &#8211; HAZOP and HAZAN. Emergency planning, disaster management. Environmental legislations &#8211; water, air environment protection Acts. Forest (Conservation) Act.<\/span><\/p>\n<p><b><i>Process Engineering Economics : <\/i><\/b><span style=\"font-weight: 400;\">Fixed and working capital requirement for a process industry and estimation methods. Cost estimation and comparison of alternatives. Net present value by discounted cash flow. Pay back analysis. IRR, Depreciation, taxes and insurance. Break-even point analysis. Project scheduling &#8211; PERT and CPM. Profit and loss account, balance sheet and financial statement. Plant location and plant layout including piping.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<h2><span style=\"font-size: 18pt;\"><b>Download UPSC IFS Chemical Optional Paper: 2018-2022 Prep Boost in PDF<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">UPSC Chemical Optional Paper from 2018 to 2022 are readily available for aspirants seeking to enhance their preparation. We provided access to the UPSC IFS Chemical Optional Paper in PDF format, an invaluable resource for your preparation.<\/span><\/p>\n<table style=\"width: 100.258%;\">\n<tbody>\n<tr>\n<td style=\"width: 72.7403%; text-align: center;\"><b>Year\u00a0<\/b><\/td>\n<td style=\"width: 69.0605%; text-align: center;\"><b>Paper\u00a0<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 72.7403%;\"><span style=\"font-weight: 400;\">UPSC IFoS Chemical Engineering Question Paper 2018<\/span><\/td>\n<td style=\"width: 69.0605%;\"><a href=\"https:\/\/drive.google.com\/file\/d\/176yTcKM4bGcceGd7rFkwGOoVZF5rkNgr\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper I<\/span><\/a><\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1Wxlu3lB5YTiJOKg0iOFcez6-e5HceL7H\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper II<\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 72.7403%;\"><span style=\"font-weight: 400;\">UPSC IFoS Chemical Engineering Question Paper 2019<\/span><\/td>\n<td style=\"width: 69.0605%;\"><a href=\"https:\/\/drive.google.com\/file\/d\/1R1rMsBuJMRGu-eBbdJ4MjSddYQ5B9cTf\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper I<\/span><\/a><\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1w5M0Fn9BnUG8Qacfuqaq41MeTZJOWXg7\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper II<\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 72.7403%;\"><span style=\"font-weight: 400;\">UPSC IFoS Chemical Engineering Question Paper 2020<\/span><\/td>\n<td style=\"width: 69.0605%;\"><a href=\"https:\/\/drive.google.com\/file\/d\/1Xp6krMumv95oV213ikkjb-T-emg2ZVtd\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper I<\/span><\/a><\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1VhWfNFIq7rwZnCHICemy9VYTcgYd_vJ9\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper II<\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 72.7403%;\"><span style=\"font-weight: 400;\">UPSC IFoS Chemical Engineering Question Paper 2021<\/span><\/td>\n<td style=\"width: 69.0605%;\"><a href=\"https:\/\/drive.google.com\/file\/d\/1-LpzIV9G-5RkLcUTsEMc0mYyQpOJmUEU\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper I<\/span><\/a><\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/1MgHDvdkbqiTSBAVc_ydumK1pwnz03zq9\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper II<\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 72.7403%;\"><span style=\"font-weight: 400;\">UPSC IFoS Chemical Engineering Question Paper 2022<\/span><\/td>\n<td style=\"width: 69.0605%;\"><a href=\"https:\/\/drive.google.com\/file\/d\/1QAsoe4SPbk-EV5GJX5m-E09B8smFDCL5\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper I<\/span><\/a><\/p>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/17uq4gesl6d1lxv9cbKMbnnSpl8eDntlf\/view?usp=sharing\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">Download Paper II<\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span style=\"font-size: 18pt;\"><b>UPSC IFS Optional: Strategic Insights for Success (Chemical Optional Paper Included)<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Candidates appearing for the UPSC (Union Public Service Commission) IFS examination must make a thoughtful choice when selecting their optional subject, as it holds substantial weightage in the evaluation process. With a total of 800 marks allotted, the optional subject constitutes approximately 48% of the combined marks for both the written exam and the personality test.\u00a0<\/span><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>IFS Mains Chemical Optional Success Rates<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The table below offers a comprehensive overview of the success rate achieved by candidates who opted for Chemical Engineering as their option.<\/span><\/p>\n<table style=\"width: 100.184%;\">\n<tbody>\n<tr>\n<td style=\"width: 11.3712%;\" rowspan=\"2\"><b>Year<\/b><\/td>\n<td style=\"width: 154.626%;\" colspan=\"3\">\n<p style=\"text-align: center;\"><b>Number of Candidates<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 38.2943%;\"><b>Appeared in Interview<\/b><\/td>\n<td style=\"width: 27.0903%;\"><b>Recommended<\/b><\/td>\n<td style=\"width: 89.2417%;\"><b>Passing (%)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3712%;\"><b>2015<\/b><\/td>\n<td style=\"width: 38.2943%;\"><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td style=\"width: 27.0903%;\"><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td style=\"width: 89.2417%;\"><span style=\"font-weight: 400;\">20<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3712%;\"><b>2016<\/b><\/td>\n<td style=\"width: 38.2943%;\"><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td style=\"width: 27.0903%;\"><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td style=\"width: 89.2417%;\"><span style=\"font-weight: 400;\">37.5<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3712%;\"><b>2017<\/b><\/td>\n<td style=\"width: 38.2943%;\"><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td style=\"width: 27.0903%;\"><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td style=\"width: 89.2417%;\"><span style=\"font-weight: 400;\">40<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3712%;\"><b>2018<\/b><\/td>\n<td style=\"width: 38.2943%;\"><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td style=\"width: 27.0903%;\"><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td style=\"width: 89.2417%;\"><span style=\"font-weight: 400;\">66.7<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3712%;\"><b>2019<\/b><\/td>\n<td style=\"width: 38.2943%;\"><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td style=\"width: 27.0903%;\"><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td style=\"width: 89.2417%;\"><span style=\"font-weight: 400;\">25<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 11.3712%;\"><b>2020<\/b><\/td>\n<td style=\"width: 38.2943%;\"><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td style=\"width: 27.0903%;\"><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td style=\"width: 89.2417%;\"><span style=\"font-weight: 400;\">66.7<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-58188\" src=\"https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2023\/11\/29.4.webp\" alt=\"Chemical Optional Paper\" width=\"604\" height=\"326\" srcset=\"https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2023\/11\/29.4.webp 837w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2023\/11\/29.4-300x162.webp 300w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2023\/11\/29.4-768x415.webp 768w, https:\/\/pwonlyias.com\/stage\/wp-content\/uploads\/2023\/11\/29.4-360x194.webp 360w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>Chemical Optional Paper Trends: Depth, Past Papers, and Current Affairs Impact<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">By examining the past Chemical Optional Paper, we can identify a trend in the types of questions asked. There is also a noticeable shift in the themes of the questions. Understanding the UPSC IFS Chemical Optional Paper Trend Analysis is advantageous, as it allows candidates to streamline their preparation effectively and enhance their performance in this optional subject.<\/span><b><\/b><\/p>\n<ul>\n<li aria-level=\"1\"><b>Shift towards In-Depth Knowledge: Recent Papers Emphasize Environmental Knowledge<\/b>\n<ul>\n<li aria-level=\"2\"><span style=\"font-weight: 400;\">Analyzing the previous year&#8217;s papers it can be seen that the exam is tilted towards the determining of a candidate&#8217;s deep understanding and clarity of the subject. It also emphasizes the area of the subject which is crucial for the role of a civil engineer in public administration and environmental management.<\/span><\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\"><b>Influence of Previous Year Papers: Strategic Insights for Exam Success<\/b>\n<ul>\n<li aria-level=\"2\"><span style=\"font-weight: 400;\">Numerous questions indirectly or derived from the topics previously examined in preceding years. Consequently, tackling questions from past years is certain to aid candidates in achieving high scores.<\/span><\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\"><b>Current Affairs Impact on Optional Papers: Recent Impact and Relevance<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">In recent times, questions have been framed with relevance to current affairs topics. Current topics like Bio-chemical weapons, and environmental engineering are some of the hot topics that are being asked in the paper.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Back to the Basics Approach: Basics Mastery for Scoring Success<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">In the previous Chemical Optional Paper, questions haven&#8217;t been excessively challenging or beyond the prescribed syllabus. Candidates stand a good chance of scoring well if they possess a thorough command of the syllabus and a clear grasp of the subject&#8217;s fundamental principles.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2><span style=\"font-size: 18pt;\"><b>Pros of Chemical as an Optional Subject: Choosing Physics as Your UPSC Optional<\/b><\/span><b><\/b><\/h2>\n<ul>\n<li><b>Educational Background: <\/b><span style=\"font-weight: 400;\">If you have a background in Chemical Engineering, choosing it as an optional subject allows you to leverage your educational qualifications and expertise. It&#8217;s often recommended to choose a subject with which you are familiar and have a strong foundation.<\/span><\/li>\n<li><b>Easily Availability of Study Material-<\/b><span style=\"font-weight: 400;\"> Easily and readily available study material and books for this subject made the candidate to opt for Mechanical engineering.<\/span><\/li>\n<li><b>Concise syllabus <\/b><span style=\"font-weight: 400;\">as compared to other subjects.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-size: 18pt;\"><b>Cons of opting as an Optional Subject: Syllabus, Complexity, and Career<\/b><\/span><b><\/b><\/h2>\n<ul>\n<li><b>Limited Overlap with General Studies<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">Unlike some other optional subjects, Chemical Engineering may have limited overlap with the General Studies papers. This could mean that the preparation for the optional subject might not contribute as much to the preparation for the rest of the examination.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Dynamic exam Trends<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">The UPSC examination patterns and trends can change over time. There may be chances that the focus or style of questions in the Chemical Optional Paper may evolve, and candidates need to stay updated on these changes.<\/span><\/li>\n<\/ul>\n<\/li>\n<li><b>Limited Specialization<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">Opting for Chemical Engineering limits your specialization within the optional subjects. If your interests align more with other subjects relevant to the forestry domain, you might miss the opportunity to explore those areas in-depth.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Time-Consuming Preparation<\/b>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">If you don&#8217;t have a strong foundation in chemical engineering, the learning curve can be steep. This might require more time and effort to cover the syllabus thoroughly.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">Please note that before selecting Chemical Engineering as your optional subject, carefully weigh these disadvantages against the advantages and consider your own background, interests, and the time you can dedicate to preparation.<\/span><\/i><\/p>\n<h2><span style=\"font-size: 18pt;\"><b>Booklist for Chemical Optional Paper: Comprehensive Resources for Success<\/b><\/span><\/h2>\n<ul>\n<li><b><i>Chemical Engineering Thermodynamics<\/i><\/b><i><span style=\"font-weight: 400;\"> by Y.V.C. Rao<\/span><\/i><\/li>\n<li><b><i>Principles of Mass Transfer and Separation Processes <\/i><\/b><i><span style=\"font-weight: 400;\">by B.K. Dutta<\/span><\/i><\/li>\n<li><b><i>Principles of Mass Transfer and Separation Processes <\/i><\/b><i><span style=\"font-weight: 400;\">by B.K. Dutta<\/span><\/i><\/li>\n<li><b><i>Chemical Process Calculations&#8221; <\/i><\/b><i><span style=\"font-weight: 400;\">by D.C. Sikdar<\/span><\/i><\/li>\n<li><b><i>Introduction to Chemical Engineering Thermodynamics <\/i><\/b><i><span style=\"font-weight: 400;\">by J.M. Smith, H.C. Van Ness, and M.M. Abbott<\/span><\/i><\/li>\n<li><b><i>Transport Processes and Separation Process Principles by Christie J. Geankoplis<\/i><\/b><\/li>\n<li><b><i>Chemical Reaction Engineering <\/i><\/b><i><span style=\"font-weight: 400;\">by Octave Levenspiel<\/span><\/i><\/li>\n<li><b><i>Essentials of Chemical Reaction Engineering&#8221; <\/i><\/b><i><span style=\"font-weight: 400;\">by H. Scott Fogler<\/span><\/i><\/li>\n<li><b><i>Process Dynamics and Control <\/i><\/b><i><span style=\"font-weight: 400;\">by Dale E. Seborg, Thomas F. Edgar, and Duncan A. Mellichamp<\/span><\/i><\/li>\n<li><b><i>Heat Transfer <\/i><\/b><i><span style=\"font-weight: 400;\">by J.P. Holman<\/span><\/i><\/li>\n<li><b><i>Mass Transfer Operations&#8221; <\/i><\/b><i><span style=\"font-weight: 400;\">by Robert E. Treybal<\/span><\/i><\/li>\n<li><b><i>Unit Operations of Chemical Engineering <\/i><\/b><i><span style=\"font-weight: 400;\">by Warren L. McCabe, Ernest Thiele<\/span><\/i><\/li>\n<li><b><i>Chemical Process Equipment\u00a0 Selection and Design <\/i><\/b><i><span style=\"font-weight: 400;\">by Stanley M. Walas<\/span><\/i><\/li>\n<li><b><i>Chemical Engineering Thermodynamics <\/i><\/b><i><span style=\"font-weight: 400;\">by P.K. Nag<\/span><\/i><\/li>\n<li><b><i>Chemical Process Industries <\/i><\/b><i><span style=\"font-weight: 400;\">by R. Norris Shreve and Joseph A. Brink.<\/span><\/i><\/li>\n<\/ul>\n<table style=\"width: 100.254%;\">\n<tbody>\n<tr style=\"height: 36px;\">\n<td style=\"width: 2934.13%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 36px;\" colspan=\"2\"><span style=\"font-size: 18pt;\"><b>Must Read<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 49.5934%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/ncert-notes\/\" target=\"_blank\" rel=\"noopener\">NCERT Notes For UPSC<\/a><\/strong><\/td>\n<td style=\"width: 2884.54%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/daily-current-affairs\/\" target=\"_blank\" rel=\"noopener\">UPSC Daily Current Affairs<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 49.5934%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/blogs\/\" target=\"_blank\" rel=\"noopener\">UPSC Blogs<\/a><\/strong><\/td>\n<td style=\"width: 2884.54%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/editorial-analysis\/\" target=\"_blank\" rel=\"noopener\">UPSC Daily Editorials<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 49.5934%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/quiz\/\" target=\"_blank\" rel=\"noopener\">Daily Current Affairs Quiz<\/a><\/strong><\/td>\n<td style=\"width: 2884.54%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/mains-answer-writing\/\" target=\"_blank\" rel=\"noopener\">Daily Main Answer Writing<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 30px;\">\n<td style=\"width: 49.5934%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/mains-previous-year-papers\/\" target=\"_blank\" rel=\"noopener\">UPSC Mains Previous Year Papers<\/a><\/strong><\/td>\n<td style=\"width: 2884.54%; vertical-align: middle; text-align: center; border-style: solid; border-color: #000000; height: 30px;\"><strong><a href=\"https:\/\/pwonlyias.com\/stage\/upsc-test-series-courses\/\" target=\"_blank\" rel=\"noopener\">UPSC Test Series 2024<\/a><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UPSC IFS Mains Chemical Optional Paper: The UPSC IFS mains consist of a total of six papers with a total of 1400 marks. The IFS Mains examination includes two papers: one on English and one on General Knowledge. The remaining four papers (Paper I, Paper II, Paper III, and Paper IV) cover optional subjects. Among&hellip; <a class=\"more-link\" href=\"https:\/\/pwonlyias.com\/stage\/upsc-ifs-mains-chemical-optional-paper\">Continue reading <span class=\"screen-reader-text\">IFS Mains Chemical Optional Paper: Pattern, Format and Trend Analysis<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":58272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[193,195],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/posts\/58175"}],"collection":[{"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/comments?post=58175"}],"version-history":[{"count":8,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/posts\/58175\/revisions"}],"predecessor-version":[{"id":142451,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/posts\/58175\/revisions\/142451"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/media\/58272"}],"wp:attachment":[{"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/media?parent=58175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/categories?post=58175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwonlyias.com\/stage\/wp-json\/wp\/v2\/tags?post=58175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}