Exam Scheme

Note :-

1. Objective type paper.
2. All questions carry equal marks.
3. There will be Negative Marking.

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Syllabus : Textile Dyeing (Clothing-Dyeing)-I

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1. Unit 1
   1. Impurities in raw cotton, wool, silk and bast fiber
   2. Elementary knowledge of textile chemical processing, definition and classification of dyes and dyeing
   3. Objects of different processes involved, e.g. singeing, desizing, scouring, bleaching and mercerization.
2. Unit 2
   1. Processing sequence of grey cotton fabric up to dyeing and printing.
   2. Application of Direct, Reactive, Vat, Sulphur and Azoic dyes on cellulosic fiber and pigment dyeing
   3. Introductory knowledge of machinery used in pretreatments of cotton fabric
3. Unit 3
   1. Classification of acid dyes its application on wool and silk fiber.
   2. Selection of dyes for synthetic fiber and application on Nylon, Polyester and Acrylic.
   3. Different dyeing technique of polyester fiber.
4. Unit 4
   1. Different dyeing defects of fabric in jigger, winch and jet dyeing machine.
   2. Measurement of fastness properties,e.g. washing, rubbing, light and perspiration
5. Unit 5
   1. Definition of finishing and classification of various types of finishes.
   2. Important finishing treatments like Calendaring, Organdie, Sanforization, water repellency and anticrease finishes.