Wet Processing-II paper (WPE 311/WPE 343) from BUTEX's 2024 Level-3 Term-I finals. Questions address sublimation transfer printing, pigment thickening systems, discharge versus resist styles, reactive printing methods, burn-out printing, and DOD inkjet working.
Level-3 Term-I, Final Exám-2024
Subject: Wet Processing-II (Code: WPE 311/WPE 343)
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) Validate the naming of ‘sublimation transfer’ printing.
(b) What is the specialty of thickening systems containing pigments? Discuss briefly.
(c) Distinguish between the discharge style and the resist style of printing.
[4+4+4=12]
2. (a) What is meant by ‘style’ and ‘method’ in printing processes?
(b) Discuss the photochemical process for screen preparation.
(c) Comment on the role of alkali for printing with cotton fabric with reactive dyes.
[4+4+4=12]
3. (a) How is vat dyes fixed within cellulosic fibres?
(b) Discuss a printing operation on silk fabric with a suitable recipe. Highlight the function of the ingredients in your recipe.
(c) Compare between all-in and two-stage method of printing processes for reactive dyes.