TRB Lecturers in Government Polytechnic Colleges Textile Technology Engineering Syllabus 2017. This is the final syllabus and remember it is enough to read just this portion to write TRB exam for Lecturers in Govt Polytechnic Colleges. TEXTILE TECHNOLOGY UNIT 1: RAW MATERIALS Natural Fibers: Cellulosic Fibers — Cotton, Linen, Flax, Jute etc. etc.; Protein Fibers — Wool, other Animal Hairs, Silk Regenerated Fibers\Filaments: Cellulosic's — Regular Viscose, High Tenacity Viscose, Chemically modified Viscose (Cellulose acetates etc. etc.); Protein Fibers — Milk Cassin (Lanitial), Soya bean (Azlon) etc. etc. Regular Synthetic Fibers\Filaments: Polyamides — Nylon 6, Nylon 66, Nylon 4 etc. etc.; Polyesters — Terylene, Dacaron etc. etc.; Acrylics, Mod-acrylics, Aramides, Polyethylene/Polyolefin, Polypropylene etc. etc. Special Synthetic Fibers\Filaments: Super strong polymers — Kevlar, B Fibers, Carbon Fibers; Temperature/Flame Resistant Polymers — Neomex etc. etc.; Elastomers — Lycra etc. etc; Mineral Fibers — Asbestos, Glass, Carbon; Other special purpose fibers. Testing and Quality Control of Fibers\Filaments — Properties, Testers/Test methods and Quality standards for fibers and filaments UNIT 2: FIBER TO YARN CONVERSION Raw Material — need to mix cottons, the processing of blends; The Short Staple (Cotton) - Processes — Blow room, Card, Draw frame, Comber (optional), a) Roving-frame, Ring-frame b) Rotor frame and other Open End processed, c) Compact spinning, and d) other modern spinning systems Long staple processes — Processing of Flax, Linen, Jute and other long staple cellulosic materials; Processing of wools — Worsted and Woolen spinning Testing and Quality Control of Yarns — Properties, Testers/Test methods and Quality standards for yarns; Tests for specific end uses UNIT 3: YARN/FILAMENT TO FABRIC. Preparatory to Weaving — Winding, Warping and Sizeing processes Shuttle Weaving — Hand looms, Pedal looms, Power looms, Automatic looms; Primary Secondary and tertiary motions; tappet dobby and jacquard shedding; special motions of Automatic loom Shuttleless Weaving — different weft insertion systems, rapier, projectile, air jet, water jet; modifications in preparatory processes for shuttleless weaving Knitting — Warp and weft knitting-theory and practice, Ticot and Rachell SystemsTheory and Practice, Testing of knitted fabrics — properties-test methods, end uses of knitted fabrics Non Woven Fabric Preparation — different methods of producing non-woven fabrics, Properties of non-woven fabrics, Testing of non-woven fabrics, end uses of nonwoven fabrics Testing and Quality Control of Fabrics — Properties, Testers/Test methods and Quality standards for gray fabrics; Tests for specific end uses. UNIT 4: WET PROCESSING Desizeing — different methods Scouring — processes for cotton wool and silk (ceresin removal) Mercerising (fabrics with cotton only) — Slack and taut processes Bleaching — Different bleaching agents and processes Dyeing — Classes of dyes, linking dye classes to different fibers, dyeing processes Printing — Manual — Stamp and Flat screen processes; Automatic — engraved roller and screen roller systems, digital printing Testing and Quality Control of Wet processing — Process Parameters and Properties, Testers/Test methods and Quality standards for processes and finished fabrics; Tests for specific end uses UNIT 5: MANUFACTURE OF FILAMENT YARNS Pre spinning Processes — Preparation of Polymer/Dope, Dope dyeing Spinning Systems — Linking yarn types and spinning processes; Wet spinning, Melt spinning, dry spinning — processes and parameters; Multistage (POY) process Post Spinning Processes — Different types of texturistion, stress relaxation. UNIT 6: MATHEMATICS AND COMPUTATION IN TEXTILES Statistical description of test data — measures of central tendency and dispersion; Objective tests of significance like "t", "F", Chi square and the Analysis of Variance; Tests for analysis of subjective data; Correlation and Regression; Multivariate statistical tools. Fiber Calculations — Use of Linear programming (on k, u, s, m & f) to optimize cotton mixing, draft calculations and settings Yarn Calculations — interpretation of Uster spectrograms; and Instron and Tensorapid charts; Fabric Calculations — Sizeing calculations; Computation of fabric parameters from test results; computation of production figures. Wet Processing Computation — Numerical color systems; Calculation of color recipes (CIE method) and the adjustment of color recipes from trial dyeing; Computation of material/Liquor ratios for multiple solutions. UNIT 7: MECHANICS OF TEXTILE MACHINERY Machinery calculations — Power storage and utilization calculations for textile machines; Gear and Draft calculations for textile spinning machines; Statics and kinetics of various sub systems of spinning preparatory and weaving machinery; Balancing of rotating machine components; Cam design. UNIT 8: TEXTILE PHYSICS Bulk Properties of Textile materials — Length, breath and width / diameter, density, moisture regain, thermal properties, electro-magnetic properties, tensile properties, bending and buckling modulus, frictional behavior, torsion properties, abrasion resistance and optical properties Fine Structure — The theory of the structure of fibers at the crystal lattice level (fringed micelle theory), amorphous and crystalline regions, degree of order, and orientation etc. etc.; Explanation of bulk properties in terms of the fine structure properties and chemical properties. UNIT 9: TEXTILE CHEMISTRY Chemistry of the structure of polymers — The chemistry of polymer forming monomers; The polymerization process; Chemical properties of polymers and what is required to have fiber forming capabilities Chemistry of the structure of dyes — theory of chromophore groups, dye structure and affinity to fibrous materials Chemistry of the dyeing process — Different types of dyeing processes; Physical and chemical affinity, monderants etc etc; Molecular reasons for different types of affinity between polymer and dye; Kinetics of dyeing, effects of temperature, Material/Liquor ratio and time; retarding and accelerating agents UNIT 10: BUSINESS IN THE TEXTILE INDUSTRY Finance — Starting a new Textile Unit, Existing Unit - Raw material Purchase and Inventory, New Machine Procurement, Power Costs Mill design — Design and construction of spinning and weaving mills, Populating a new Mill - Balancing of machinery calculations, Selection and purchase of Machinery Product Planning — The Textile market, salability of different product, development and implementation of yarn and fabric Production Plans Balancing of Machine Numbers — Machine/Staff allocation to products Textile costing — Cost estimation of different products, calculation of selling prices, Estimation of marketability of products The Front Office — Management — Human resources, hiring, salaries & benefits, promotion plans; Payroll data and disbursement, Inventory control, Financial Records and analysis, Marketing.