Textile Physics exam (YE 209) from BUTEX affiliated colleges' 2024 Level-2 Term-I finals. Covers static electricity minimization, thermal conductivity with wool comfort, Tg-Tm distinctions, infrared fibre investigation, and work of rupture numericals.
Level-2 Term-I, Final Exám-2024
Subject: Textile Physics (Code: YE 209)
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) Discuss the modern theory of static electricity formation.
(b) What type of problems can occur in textile processing in case of static electricity formation?
(c) How can we minimize the problem of static electricity formation in textile processing?
[4+4+4 = 12]
2. (a) What do you mean by thermal conductivity? Discuss the factors affecting Thermal conductivity.
(b) "Woolen dress is more comfortable than cotton dress in winter"- Explain.
(c) Discuss the differences between Glass transition temperature and Melting temperature.
[4+4+4 = 12]
3. (a) Briefly describe the requirement of fiber formation.
(b) How can you measure the physical properties of textile fibre with the help of infra-red radiation? Explain with an example.