Karnataka PGCET Exam Syllabus for Textile Technology


Post Graduate Common Entrance Test

(PGCET) for admission to M.E/M.Tech/M.Arch course in Karnataka

Visvesvaraya Technological University

“Jnana Sangma”‘  Machhe, Belgaum 590 014

Karnataka

TEXTILE TECHNOLOGY

Syllabus

Textile Fibres: Classification of Polymers-Application of Polymer-Study of Various methods of polymerization –Study of various types of initiators –Techniques of polymerization –Physical structure of polymers-Polymer reactions-Thermal analysis of polymers; Study of different structures of textile fibres using various techniques-Study of different properties of various textiles fibres i.e., moisture relations, mechanical properties optical properties, electrical properties and thermal properties; History on origin of textiles – Study of different textiles fibres-Basic requirements of textile fibres Geographic distribution-Cultivation and grading of cotton, wool, silk and jute fibres –Physical and chemical properties of important natural fibres; Sequence of operations in conversion of important natural fibres into fabric; Study of different man-made fibre spinning –Fundamentals of fluid flow in man –made fibre spinning-High speed melt spinning-Formation of fibre structure during various methods of man –made spinning-Production of micro denier and special shaped fibres; Production and Properties of various regenerated fibres-Production of various raw materials for different synthetic fibres –Properties of different synthetic fibres-Effect of various parameters on various synthetic fibres-Study of semi-continuous and integrated continuous  process for production of Nylons; Study  of different high performance fibres; Study of spin finish –heat setting and drawing of fibres; Study of different methods of textursing and various parameters affecting texturising –Test methods of textured yarns; Study of different yarn count systems-conversion from one system to another system.

Yarn Manufacture: Ginning and Baling:

Blow room: Objects and methods of mixing –Opening and cleaning- Blow room machineries cleaning efficiency –Lap regularity –Modern developments –Auto mixer and calculations pertaining to blow room.

Carding: Objects –Working –Speeds and Setting –Grinding and stripping –Silver quality –Modern developments in carding-Calculations related to carding –Fibre hooks at card –Opening lines required for processing of various blends.

 

Drawing: Objects and Principles –Roller drafting systems –Modern developments –Calculations pertaining to draw frame.

Combing: Hook formation in carding –Study pf preparatory machines to comber –Combing process-Setting –Modern –Combers –Calculations pertaining to comber.

Speed Frame : Objects –working and drafting systems –Twist insertion –Mechanism of winding –Lift of bobbin-Bobbin building mechanism –Speeds and production calculations-Modern speed frames.

Ring Frame: Objects-Working and ring frame mechanisms-Yarns tension during spinning a yarn and package faults –modern developments- calculations pertaining to ring frame.

Doubling: Objects – Dry doubling and wet doubling – Fancy yarns – Hosiery and seing threads  – Properties and end uses.

Open End Spinning: Principles of Break spinning – Comparison of ring and OE yarns – Recent developments in OE spinning – Different types of rotors and opening rollers.

Modern Yarn Production Methods: Twist less spinning – Self twist spinning – Wrap spinning – Friction spinning and air-jet spinning – Comparison of the above methods for their  principles and yarn properties – end used and techno-econmics feasibility – Siro, core and cover spinning methods.

Fabric Manufacture

 

Winding: Objects – Derivation of speeds – coil angles – Cone angle – Study of modern winders Production Calculations

Warping: Objects – Study of modern warping machines – Production calculations.

Sizing: Study of ingredients – Properties – Modern size cooking equipments – Modern sizing machine – Production calculations.

Looms: Study of Plain tappet tappet loom – Automatic looms – Drop box looms – Dobby and jacquard looms – Production calculations.

Unconventional Weaving Machine: Study of Gripper – Rapier – Air jet – water jet machines.

Non Wovens: Classification  – Web productions techniques – Properties of Binders – Geometry of  Non woven structures Identification and testing of Non wovens – Study of thermal, spun bonding and spun lacing.

Knitting:  Weft Basic stitches – Jersey – Rid – Purl – Interlock – Warp Basci Stitches – Pillar – Atlas – Tricot – Study of circular weft knitting machines – Advantages of positive feed – Study of warp knitting machines – Tricot and Raschel.

Chemical Processing Of Textiles

 

Pre-process: Preparatory processes to wet processing; An overview of wet processing  – Sequences of wet processing – Desizing – Methods of desizing – Singeing – Methods of singeing – Batching – Souring – Bleaching – Mercerizing; Methods of purifying fibre yarn and Fabric made from other natural fibre like silk, wool, jute etc.; Methods of desizing – Scouring and Bleaching of regenerated cellulose fibre.

Dyeing: Coloration – Theories of coloration / dyeing – Factors that affect Dyeing Mechanism of dyeing – Mechanism used for dyeing – Classification of dyes – Dyeing of Natural fibres using direct, reactive, acid, metal complex, yat, sulphur, Ingrain dyes and other popular dyes using different methods – After treatments and testing o dyed materials – Yarn package dyeing – Dyeing of knitted fabrics – Dyeing of garments.

Printing: Design development for printing – Sources of inspection – the designers tools and work space – Different techniques for design generation and reproduction – Transfer of designs on wooden blocks, Screen and Stencil – Scope of printing – Methods and principles of printing – Machineries used for Textile printing – Passage of material through printing machines.

Finishing:Objects of finishing – Various methods of finishing – Cotton, Silk, Wool, worsted fabric – Chemicals formulation of different finishes – Machiners used for finishing – Speciality chemicals used for finishing – Finishing of Garments.

Textile Testing

 

Fbires: Regain – Length – Fineness – Maturity – Strength – their determination – HVI and AFIS.

Yarn: Yarn count – Twist – Strength – Hairiness – Uniformity – and their determination.

Fabrics: Fabric weight – Thickness – Cover – Tear – Abrasion – Drape – Crease – Colour fastness – their determination. Fabric Handle – KESF and FAST

Silk Technology

Cocoons: Sorting of cocoons, cocoon testing, storage of cocoons, stifling of cocoons, Drying of cocoons  cooking of cocoons. Methods employed – Characteristics of cocoons.

Reeling: Methods of Silk Reeling – Charakha – Cottage basins – Filatures – Semi – automatic an Automatic types.

Raw Silk  testing – Packing of raw silk – Utilization of by –products.

Silk Throwing: Manufacture of yarns for use in ordinary, chiffon, crepe, georgette fabrics – Number of plies and different twist levels used.  Developments in Silk Throwing Industry.

Weaving Industry: Warp and Weft preparation – Machineries employed in small scale and organized sections.  Silk Weaving – Handloom and Power loow Weaving – Special features of silk looms – modifications required on power loom to weave silk fabrics.

Spun Silk Industry: Raw materials for Spun Silk Yarn Production, Production of  Spun yarn and  their properties.

Processing Industry: Degumming and drying of silk yarns – Dyeing, Printing and Finishing of silk fabrics.

Fabric Structure: Study of plain – Twill – Stain – Crepe – Mockleno and Towelling structures.  Backed cloths – Extra wrap and Extra Weft cloths – Double cloth Terry weaves –  Velvet – Velveteens – Gauge and Leno – Damask Brocade cloths.+

 

Fashion Design and Garment Technology

Terms and Definitions used in Fashion and Garment Industries – The art and Techniques of Body measurements and standard sizes and measurements prevalent in Garment industries.

Principles and Practices of Pattern making – Grading – Computer Aided pattern making and Grading – Cutting room operation – Laying – Cutting – Numbering – Bundling – Sewing operation – Classes of seams and stitches – Sewing threads – Defects is sewing; Garment Finishing section – Buttoning – Labelling – Care labeling – Checking – Pressing – Folding – packing and packing standards. Quality control in garment Industry – Garments washing – dyeing and finishing. Brand culture and Apparel brand names.  Sourcing and Merchandising – Apparel Engineering and Production Control.

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