Gate
2018 Syllabus for Textile Engineering and Fibre Science (TF)
ENGINEERING MATHEMATICS
Linear
Algebra: Matrices And Determinants, Systems Of Linear
Equations, Eigen Values And Eigen Vectors.
Calculus: Limit,
Continuity And Differentiability; Partial Derivatives; Maxima And Minima; Sequences
And Series; Test For Convergence; Fourier Series.
Vector
Calculus: Gradient; Divergence And Curl; Line; Surface And
Volume Integrals; Stokes, Gauss And Green’s Theorems.
Differential
Equations: Linear And Non-Linear First Order Odes; Higher Order
Linear Odes With Constant Coefficients; Cauchy’s And Euler’s Equations; Laplace
Transforms; Pdes –Laplace, Heat And Wave Equations.
Probability
And Statistics: Mean, Median, Mode And Standard Deviation;
Random Variables; Poisson, Normal And Binomial Distributions; Correlation And
Regression Analysis.
Numerical
Methods: Solutions Of Linear And Non-Linear Algebraic
Equations; Integration Of Trapezoidal And Simpson’s Rule; Single And Multi-Step
Methods For Differential Equations.
TEXTILE ENGINEERING AND FIBRE SCIENCE
Textile
Fibres: Classification Of Textile Fibres; Essential Requirements
Of Fibre Forming Polymers; Gross And Fine Structure Of Natural Fibres Like
Cotton, Wool And Silk. Introduction To Important Bastfibres; Properties And
Uses Of Natural And Man-Made Fibres; Physical And Chemical Methods Of Fibre And
Blend Identification And Blend Analysis.
Molecular Architecture, Amorphous And Crystalline
Phases, Glass Transition, Plasticization, Crystallization, Melting, Factors Affecting
Tg And Tm; Process Of Viscose And Acetate Preparation. Polymerization Of
Nylon-6, Nylon-66, Poly (Ethylene Terephthalate), Polyacrylonitrile And
Polypropylene; Melt Spinning Processes, Characteristic Features Of PET,
Polyamide And Polypropylene Spinning; Wet And Dry Spinning Of Viscose And
Acrylic Fibres; Post Spinning Operations Such As Drawing, Heat Setting,
Tow-To-Top Conversion And Different Texturing Methods.
Methods Of Investigating Fibre Structure E.G., Density,
X-Ray Diffraction, Birefringence, Optical And Electron Microscopy, I.R.
Absorption, Thermal Methods (DSC, DMA/TMA, TGA); Structure And Morphology
Ofman-Made Fibres, Mechanical Properties Of Fibres, Moisture Sorption In
Fibres; Fibre Structure And Property Correlation.
Yarn
Manufacture And Yarn Structure & Properties: Principles
Of Opening, Cleaning And Mixing/Blending Of Fibrous Materials, Working
Principle Of Modern Opening And Cleaning Equipments; The Technology Of Carding,
Carding Of Cotton And Synthetic Fibres; Drafting Operation, Roller And Apron
Drafting Principle, Causes Of Mass Irregularity Introduced By Drafting; Roller
Arrangements In Drafting Systems; Principles Of Cotton Combing, Combing Cycle,
Mechanism And Function, Combing Efficiency, Lap Preparation; Recent
Developments In Comber; Roving Production, Mechanism Of Bobbin Building, Roving
Twist; Principle Of Ring Spinning, Forces Acting On Yarn And Traveler; Ring
& Traveler Designs; Mechanism Of Cop Formation, Causes Of End Breakages;
Working Principle Of Ring Doubler And Two For One Twister, Single And Folded
Yarn Twist, Properties Of Double Yarns, Production Of Core Spun Yarn, Compact
Spinning, Principle Of Non Conventional Methods Of Yarn Production Such As
Rotor Spinning, Air Jet Spinning, Wrap Spinning, Twist Less Spinning And
Friction Spinning.
Yarn Contraction, Yarn Diameter, Specific Volume &
Packing Coefficient; Twist Strength Relationship In Spun Yarns; Fibre
Configuration And Orientation In Yarn; Cause Of Fibre Migration And Its Estimation,
Irregularity Index, Properties Of Ring, Rotor And Air-Jet Yarns.
Fabric
Manufacture And Fabric Structure: Principles Of Cheese And
Cone Winding Processes And Machines; Random And Precision Winding; Package
Faults And Their Remedies; Yarn Clearers And Tensioners; Different Systems Of
Yarn Splicing; Features Of Modern Cone Winding Machines; Different Types Of
Warping Creels; Features Of Modern Beam And Sectional Warping Machines;
Different Sizing Systems, Sizing Of Spun And Filament Yarns, Modern Sizing
Machines; Principles Of Pirn Winding Processes And Machines; Primary And
Secondary Motions Of Loom, Effect Of Their Settings And Timings On Fabric
Formation, Fabric Appearance And Weaving Performance; Dobby And Jacquard
Shedding; Mechanics Of Weft Insertion With Shuttle; Warp And Weft Stop Motions,
Warp Protection, Weft Replenishment; Functional Principles Of Weft Insertion
Systems Of Shuttle-Less Weaving Machines, Principles Of Multiphase And Circular
Looms.
Principles Of Weft And Warp Knitting; Basic Weft And
Warp Knitted Structures. Classification, Production And Areas Of Application Of
Nonwoven Fabrics.Basic Woven Fabric Constructions And Their Derivatives; Crepe,
Cord, Terry, Gauze, Leno And Double Cloth Constructions. Peirce’s Equations For
Fabric Geometry; Elastica Model Of Plain Woven Fabrics; Thickness, Cover And
Maximum Sett Of Woven Fabrics.
Textile
Testing: Sampling Techniques, Sample Size And Sampling Errors. Measurement
Of Fibre Length, Fineness, Crimp, Strength And Reflectance; Measurement Of
Cotton Fibre Maturity And Trash Content; HVI And AFIS For Fibre Testing. Measurement
Of Yarn Count, Twist And Hairiness; Tensile Testing Of Fibres, Yarns And
Fabrics; Evenness Testing Of Slivers, Rovings And Yarns; Testing Equipment For
Measurement Test Methods Of Fabric Properties Like Thickness, Compressibility,
Air Permeability, Drape, Crease Recovery, Tear Strength, Bursting Strength And
Abrasion Resistance. FAST And Kawabata Instruments And Systems For Objective
Fabric Evaluation.Statistical Data Analysis Of Experimental Results.Correlation
Analysis, Significance Tests And Analysis Of Variance; Frequency Distributions
And Control Charts.
Preparatory
Processes: Chemistry And Practice Of Preparatory Processes For
Cotton, Wool And Silk. Mercerization Of Cotton.Preparatory Processes For Nylon,
Polyester And Acrylic And Polyester/Cotton Blends.
Dyeing: Classification
Of Dyes. Dyeing Of Cotton, Wool, Silk, Polyester, Nylon And Acrylic With
Appropriate Dye Classes. Dyeing Polyester/Cotton And Polyester/Wool Blends. Batchwise
And Continuous Dyeing Machines. Dyeing Of Cotton Knitted Fabrics And Machines
Used. Dye Fibre Interaction. Introduction To Thermodynamics And Kinetics Of
Dyeing.Methods For Determination Of Wash, Light And Rubbing Fastness.Evaluation
Of Fastness Properties With The Help Of Grey Scale.
Printing: Styles
Of Printing. Printing Thickeners Including Synthetic Thickeners. Printing Auxiliaries.
Printing Of Cotton With Reactive Dyes. Printing Of Wool, Silk, Nylon With Acid
And Metal Complex Dyes. Printing Of Polyester With Disperse Dyes. Methods Of
Dye Fixation After Printing. Resist And Discharge Printing Of Cotton, Silk And
Polyester. Printing Of Polyester/Cotton Blends With Disperse/Reactive
Combination. Transfer Printing Of Polyester. Developments In Inkjet Printing.
Finishing: Mechanical
Finishing Of Cotton. Stiff. Soft, Wrinkle Resistant, Water Repellent, Flame
Retardant And Enzyme (Bio-Polishing) Finishing Of Cotton.Milling, Decatizing
And Shrink Resistant Finishing Of Wool.Antistat Finishing Of Synthetic Fibre
Fabrics. Heat Setting Of Polyester.
Energy
Conservation: Minimum Application Techniques.
Pollution: Environment
Pollution During Chemical Processing Of Textiles. Treatment Of Textile
Effluents.
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