Two Natural Textile Fibres papers (YE 101) from BUTEX affiliated colleges' 2022 Level-1 Term-I finals. Questions cover rotary knife roller ginning, cotton grading by trash, jute defects, flax microstructure, wool felting and garnetting, and silk as the queen of fibres.
Q1
Level-1 Term-I, Final Exám-2022
Subject: Natural Textile Fibres (Code: YE 101)
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) Define: (i) Staple Fibre (ii) Filament Fibre.
(b) What do you mean by Textile fibre? Classify Textile Fibre with proper examples.
(c) Illustrate some differences between crystallinity and Amorphousness of textile fibres.
[4+4+4 = 12]
2. (a) What do you mean by M.R and M.C?
(b) What is ginning? Briefly discuss about Rotary Knife roller ginning Process.
Q2
Level-1 Term-II, Final Exám-2022
Subject: Natural Textile Fibers (Code: YE 101)
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) Explain: Why is human hair not a textile fiber? (b) Fill in the blanks: (c) Differentiate between staple fiber and filament fiber. (d) Write short note on: Degree of polymerisation, Cellulose. | [3+2+3+4=12] |
2. (a) Enlist the chemical composition and end uses of Flax fiber. (b) Shortly describe the retting process of Flax fiber. |