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Textile Engineering and Fibre Science

Optical brightening agent

Exams

GATE TF

Subjects

Textile Engineering and Fibre Science

Topics

Optical brightening agent
Amorphous and Crystalline Phases
Apparel Designing
Basic woven fabric constructions and their derivatives
Beer-Lambert’s law
Chemical Processing
Chemistry and practice of cotton preparation
Classification of dyes
Conventional vs. modern carding machine
Cutting
Different texturing methods
Direct styles of printing
Dye-fibre interaction
Dyeing of polyester/cotton/wool blends
Dyeing processes and machines
Dyeing with appropriate classes of dyes
Essential requirements of fibre forming polymers
Evenness testing
Fabric Engineering
Fabric Manufacture, Structure and Properties
Fabric Performance Properties
Fault Measurement and Analysis
Fibre Science and Technology
Fibre length, fineness, crimp, maturity and trash content
Finishing of cotton
Fundamentals of carding
Garment Care
Gross and fine structures of natural fibres
Heat setting
Knitting
Linear density of sliver, roving and yarn
Loom shed
Loom timing diagram
Management of commodities
Mass irregularity of yarn
Mechanical properties of fibres
Melt spinning processes
Mercerization of cotton
Merchandizing
Methods of investigating fibre structure
Methods of printing
Minimum application techniques
Moisture in textiles
Molecular architecture
Objective evaluation of low stress mechanical characteristics
Periodic mass variation in drawn sliver
Pigment printing
Pollution control and treatment of effluents
Polymerization methods
Polymers
Preparatory processes for manmade fibres and their blends
Primary and secondary motions of loom
Principles of bobbin building in roving formation
Principles of cotton combing
Principles of drafting building in ring spinning
Principles of drafting building in roving formation
Principles of ginning
Principles of opening, cleaning and blending
Principles of roller drawing
Principles of spinning
Principles of spinning processes
Principles of warp knitting
Principles of weft insertion systems
Principles of winding processes
Properties and uses of natural and man-made fibres
Quality Evaluation
Resist and discharge printing
Sample size and sampling errors
Sewing technology
Shedding motion
Singeing
Spinning of acrylic, viscose and regenerated cellulosic fibres
Technology of Non-woven Fabrics
Tensile testing of fabrics
Tensile testing of fibres
Textile Fibres and its Classification
Textile Testing
Textiles
Thermodynamics and kinetics of dyeing
Thickness, cover and maximum set of woven fabrics
Transfer printing of polyester
Twist and hairiness of yarn
Unconventional weaving
Web formation and bonding processes
Weft insertion
Weft knitted constructions
Wetting and wicking
Working principles of modern blow room machines
Yarn Count systems
Yarn Engineering
Yarn Manufacture, Structure and Properties
Yarn clearers and tensioners

List of top Textile Engineering and Fibre Science Questions on Optical brightening agent

Determine the correctness or otherwise of the following Assertion [a] and Reason [r]
Assertion: Application of an optical brightening agent makes the white fabrics appear brighter.
Reason: Optical brightening agents absorb energy in the visible region and radiate back in the UV region.

GATE TF - 2021
GATE TF
Textile Engineering and Fibre Science
Optical brightening agent