TNPSC Textile Engineering Syllabus

Textile Engineering - (Code - 114)
Paper I
Paper II

Paper - I


UNIT I : FIBRE PRODUCTION - Classification of textile fibres. Principles of polymerization, Manufacturing details of viscose rayon, Poly ethylene terephthalate, nylon 6 and 6,6, poly-acrylonitrile, poly propylene, polyaramides carbon and glass fibres. Texturization of fibres.

UNIT II : FIBRE COMPOSITES - Resins, additives to resins. Types and characteristics of the re-inforcing fibres, Different textile structure used for re-inforcements.

UNIT III : SPINNING PREPARATORY PROCESSES - Sequence of processes used to prepare the staple fibres (cotton, jute, wool and man-made fibres) for yarn spinning. Process optimization.

UNIT IV : CONVENTIONAL YARN SPINNING - Yarn formation using ring spinning method. Spinning limitations. Doubling of yarns.

UNIT V - NEW METHODS OF YARN SPINNING : Yarn production by open end, friction and air-jett spinning methods. Techno - economic comparison with convetional method.

UNIT VI : PREPARATORY PROCESSES FOR FABRIC FORMATION - Sequence of processes used to prepare the yarn for fabric formation in looms and kaitting machines. Process optimization.

UNIT VII : WEAVING MACHINES - Fabric formation in conventional and high speed looms. Process optimization. Economic viability of high speed looms.

UNIT VIII : KNITTING MACHINES - Fabric production in weft knitting machines. Comparison of woven and knitted fabrics, Principles of warp knitting. Production of garments from woven and knitted fabrics.

UNIT IX : CHEMICAL PROCESSING - Preparation of material for coluration and finishing, principles involved in dyeing and printing. Physical and chemical finishing operation.

UNIT X : QUALITY ASSESSMENT - Sampling method, Determination of sample size. Testing of fibres yarns and fabrics for various qualities. Statistical Significance Test.

Paper - II

UNIT I : STRUCTURAL MECHANICS OF YARN - Yarn geometry, Fibre migration and its characterization, Prodiction of filament and spun yarn tensile behavious under different conditions.

UNIT II : STRUCTURAL MECHANICS OF FABRICS - Fabric geometry, Prediction of deformation behaviour of woven, knitted and non - woven fabrics.

UNIT III : TEXTILE MACHINE DESIGN - Design of Cams, gear trains, clutches and brakes for application in textile machines. Kinematics of comber and loom operations.

UNIT IV : MACHINING OPERATIONS - Material Selection, Different machining operations. Surface treatments, Tolerance Limits.

UNIT V : PNEUMATICS - Application of free air and compressed air in textile machinery. Air pressure measurements and its control.

UNIT VI : WORK STUDY - Work and time measurement. Motion time analysis. Resources allocation and scheduling.

UNIT VII : PRODUCTION PLANNING - Balancing of textile machines in different departments to produce required quantity of and products taking into account various process parameters.

UNIT VIII : MACHINERY MAINTENANCE - Break-down and preventive maintenance for textile machines. Types and Selection of Lubricants, Lubrication devices, Depreciation and replacement studies.

UNIT IX : SELECTION OF MOTORS - Selection of electric motors for various textile machines. Application of variators and invertors. Smooth starting of machines. Microprocessor applications. Power requirements.

UNIT X : ENVIRONMENTAL CONDITIONS IN TEXTILE MILLS - Plant lay-out, Material handling. Lighting and humidification, Safety devices.