
GATE 2027 has 65 questions for 100 marks in three hours. General Aptitude carries 15 marks. The remaining structure depends on the paper and, for some papers, the selected optional sections.
Textile Engineering and Fibre Science is an optional Engineering Sciences section, XE9, in GATE 2027. You take XE0 Mathematics, General Aptitude and one other XE option along with Textile.
| Feature | Rule |
|---|---|
| Duration | 3 hours |
| Total questions | 65: 10 General Aptitude and 55 subject questions |
| Total marks | 100 |
| Mode and language | Computer-based test; English |
| Question types | MCQ, MSQ and numerical answer type |
| Mark value | 1 or 2 marks per question |
| Section | Marks | Requirement |
|---|---|---|
| General Aptitude | 15 | Compulsory |
| XE0 Engineering Mathematics | 15 | Compulsory |
| XE9 Textile Engineering and Fibre Science | 35 | Selected technical option |
| One other XE option | 35 | Choose from XE1-XE8 |
| Type | Correct | Incorrect | Blank |
|---|---|---|---|
| MCQ, 1 mark | +1 | -1/3 | 0 |
| MCQ, 2 marks | +2 | -2/3 | 0 |
| MSQ, 1 or 2 marks | Full marks only for the exact correct set | 0; no partial credit | 0 |
| NAT, 1 or 2 marks | Full marks for an accepted numerical answer | 0 | 0 |
| Answers | Calculation | Marks |
|---|---|---|
| One-mark MCQs: 12 correct, 3 wrong | 12 - 3/3 | 11 |
| Two-mark MCQs: 15 correct, 3 wrong | 30 - (3 x 2/3) | 28 |
| MSQs: four correct two-mark questions | 4 x 2 | 8 |
| NATs: six correct two-mark questions | 6 x 2 | 12 |
| Combined example | 11 + 28 + 8 + 12 | 59 / 100 |
The example returns raw marks, not a rank or an official GATE score.
Textile Engineering and Fibre Science is an optional Engineering Sciences section, XE9, in GATE 2027. You take XE0 Mathematics, General Aptitude and one other XE option along with Textile.
| Unit | Topics |
|---|---|
| Textile Fibres | Classification of textile fibres; Essential requirements of fibre forming polymers; Gross and fine structures of natural fibres like cotton, wool, silk; Introduction to bast fibres; Properties and uses of natural and man -made fibres including carbon, arami d and ultra -high molecular weight polyethylene 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; Polymerization of nylon -6, nylon -66, poly (ethylene terephthalate), polyacrylonitrile and polypropylene; Melt spinning processes for PET, polyamide and polypropylene; Preparation of spinning dope; Principles of wet spinning, dry spinning, dry -jet-wet spinning and gel spinning; Spinning of acrylic, viscose and other regenerated cellulosic fibres such as polynosic and lyocell; Post spinning operations such as drawing, heat setting, tow -to-top conversion; Spin finish composition and applications; Different texturing methods.; Methods of investigating fibre structure such as density, x -ray diffraction, birefringence, optical and electron microscopy such as SEM and TEM, I.R. spectroscopy, thermal methods such as DSC, DMA, TMA and TGA; Structure and morphology of man -made fibres; Mechanical properties of fibres; Moisture sorption of fibres; Fibre structure-property correlation. |
| Yarn Manufacture, Y arn Structure and Properties | Principles of ginning; Principles of opening, cleaning and blending; Working principles of modern blowroom machines; Fundamentals of carding; Conventional vs. modern carding machine; Card setting; Card clothing; Periodic mass variation in card sliver; Card autoleveller; Principles of roller drawing; Roller arrangements in drafting systems; Periodic mass variation in drawn sliver; Drawframe autoleveller; Principles of cotton combing; Combing cycle and mechanisms; Recent developments in combing machine; Principles of drafting, twisting, and bobbin building in roving formation; Modern developments in roving machine; Principles of drafting, twisting and cop building in ring spinning; Causes of end breakages; Modern developments in ring spinning machine; Working principles of ring doubler and two -for-one twister; Relationship between single yarn twist and folded yarn twist; Principles of compact, rotor, air-jet, air-vortex, friction, core, wrap and twist-less spinning processes. Influence of fibre geometry, fibre configuration and fibre orientation in yarn; Fibre packing density of yarn; Yarn diameter; Yarn twist and its relation to yarn strength; Helical arrangement of fibres in yarns; Yarn contraction; Fibre migration in yarns; Stress-strain relation in yarn; Mass irregularity of yarn; Structure-property relationship in ring, compact, rotor, air-jet and friction spun yarns. |
| Fabric Manufacture, Structure and Properties | Principles of winding processes; Classification of winding methods; Patterning mechanism; Yarn clearers and tensioners; Different systems of yarn splicing; Warping objectives and classification; Different types of warping creels; Features of beam and sectional warping machines; Different sizing systems; Sizing of spun and filament yarns; Drawing-in process; Principles of pirn winding. Primary and secondary motions of loom; Shedding motion; Positive and negative shedding mechanisms; Type of sheds; Tappet, dobby and jacquard shedding; Weft insertion; Mechanics of weft insertion with shuttle; Shuttle picking and checking; Beat-up; Kinematics of sley; Loom timing diagram; Cam designing; Effect of sley setting and cam profile on fabric formation; Take- up and Let-off motions; Warp and weft stop motions; Warp protection; Weft replenishment; Principles of weft insertion systems of shuttle -less weaving machines such as projectile, rapier, water -jet and air -jet; Principles of functioning of multiphase and circular looms; Types of selvedges; Basic woven fabric constructions and their; derivatives, such as crepe, cord, terry, gauze, leno , double cloth and other constructions; Drawing and lifting plans.; Fundamentals of weft knitting; Classification of weft knitting technologies; Weft knitted constructions such as plain, rib, interlock, purl and others; Different knit stitches such as loop, tuck, float and others; Principle of warp knitting; Classification of warp knitting technologies; Swinging and shogging motion of guide bar; Basic warp knit constructions such as pillar, tricot, atlas, inlay nets and others; Fibre preparation processes for nonwovens; Web formation and bonding processes; Spun-bonding and melt -blowing technologies; Applications of nonwoven fabrics; Principles of braiding; Type of braids; Maypole braiding technology;; Peirce’s equations for plain woven fabric geometry; Thickness, cover and maximum set of woven fabrics; Geometry of plain weft knitted loop; Munden’s constants and tightness factor for plain weft knitted fabrics; Geometry of tubular braids. |
| Textile Testing | Sampling techniques for fibres, yarns and fabrics; Sample size and sampling errors.; Moisture in textiles; Fibre length, fineness, crimp, maturity and trash content; Tensile testing of fibres; High volume fibre testing.; Linear density of sliver, roving and yarn; Twist and hairiness of yarn; Tensile testing of yarns; Evenness testing; Fault measurement and analysis of yarns.; Fabric thickness, compressibility, stiffness, shear, drape, crease recovery, tear strength, bursting strength, pilling and abrasion resistance; Tensile testing of fabrics; Objective evaluation of low stress mechanical characteristics; Air permeability; Wet ting and wicking; Water -vapour transmission through fabrics; Thermal resistance of fabrics. |
| Chemical Processing | Impurities in natural fibre; Singeing; Chemistry and practice of preparatory processes for cotton; Preparatory processing of wool and silk; Mercerization of cotton; Preparatory processes for manmade fibres and their blends; Optical brightening agent.; Classification of dyes; Dyeing of cotton, wool, silk, polyester, nylon and acrylic with appropriate classes of dyes; Dyeing of polyester/cotton and polyester/wool blends; Dyeing machines; Dyeing processes and machines for cotton knitted fabrics; Dye-fibre interaction; Introduction to thermodynamics and kinetics of dyeing; Brief idea about the relation between colour and chemical constitution; Beer-Lambert’s law; Kubelka-Munk theory and its application in colour measurement; Methods for determination of wash, light and rubbing fastness.; Methods of printing such as roller printing and screen printing; Preparation of printing paste; Various types of thickeners; Printing auxiliaries; Direct styles of printing of (i) cotton with reactive dyes, (ii) wool, silk, nylon with acid and metal complex dyes, (iii) polyester with disperse dyes; Resist and discharge printing of cotton, silk and polyester; Pigment printing; Transfer printing of polyester; Inkjet printing; Printing faults.; 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; Antistatic and soil release finishing; Heat setting of synthetic fabrics; Minimum application techniques.; Pollution control and treatment of effluents. |
It is a 100-mark paper with 65 questions: 10 General Aptitude and 55 subject questions. Questions carry either one or two marks.
Yes. GATE is a computer-based examination in English. Numerical answers are entered through the on-screen virtual keypad.
Select two technical sections during the examination, in addition to compulsory XE0 Mathematics. If you change a technical section, the answers in the deselected section are cleared. XE9 is one optional section, not an additional GATE paper. A second GATE paper is a separate registration choice restricted to the approved two-paper combinations. The complete XE combination, including General Aptitude, remains one three-hour, 100-mark examination.
No. You must select exactly all the correct options. A partial set or a set containing an incorrect option earns zero.
No. An incorrect NAT receives zero. The negative-marking rules apply to MCQs only.
No. The score formula uses the General-category qualifying mark and a top-candidate benchmark for the paper. Multi-session papers use normalised marks first. A simple marks-times-ten calculation does not reproduce the official score.
The official section allocation applies, but there is no promise of the same chapter-by-chapter distribution. Use dated paper analysis as a record of that examination, not as a guarantee for the next one.
*The article might have information for the previous academic years, please refer the official website of the exam.
For the UG Engineering courses, candidates need to have 10+2 with 45% for the general category. However, the aggregate percentage will be 40% for SC/ST/OBC. For the PG Engineering courses, candidates need to have graduation with 50% and 45% for the SC/ST/OBC.
The Fee for the B.Tech Computer Science and Engineering at VIT University is INR 1.73 Lakhs with an INR 3k caution deposit which is refundable and a One-time payment only.
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