Man-made Textile Fibres exam (YE 203) from BUTEX affiliated colleges' 2023 Level-2 Term-II finals. Covers fibre forming polymer requirements, viscose and polynosic structures, spinning system comparisons, acetate and triacetate, and nylon 6 versus 6.6 production.
Level-2 Term-II, Final Exám-2023
Subject: Man-made Textile Fibres (Code: YE 203)
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) What do you mean by Man-made fibre and textile fibre?
(b) Write the classification with example of man-made fibre.
(c) Which properties should be required for fibre forming polymer?
(d) Discuss about the physical-chemical modification of man-made fibre.
[2+3+3+4=12]
2. (a) Write the polymeric structure of viscose and polynosic fibre.
(b) Which factors are affecting the quality of viscose rayon.
(c) Write the physical and chemical properties of viscose rayon.
(d) Explain the flow chart for the manufacture of viscose rayon.