Textile Coloration-I exam (WPE 301) from the 2021 Level-3 Term-I finals, BUTEX affiliated colleges. Includes mordanting and fixing, basic dye application on jute, reactive dye hydrolysis curves, colour triangles, synthetic thickeners, and rotary screen printing.
Level-3 Term-I, Final Exám-2021
Subject: Textile Coloration-I (Code: WPE 301)
Time: 3.0 Hrs. Full Marks: 72
(Use separate answer script for Part: A and Part: B)
(All parts of a question must be answered consecutively)
Part: A
(Answer any three questions)
1. (a) Write about Chromophore and Auxochrome with examples.
(b) Define Shade, Color Strike, Exhaustion and Sorption.
(c) Differentiate between Dyes and Pigment.
[5+4+3 = 12]
2. (a) Define Mordanting and Fixing.
(b) Describe the application process of Basic dye on Jute with a standard recipe.