Textile Physics-II paper (YME 329), two hours and 70 marks, from BUTEX affiliated colleges' 2022 Level-3 Term-I finals. Questions address static electricity theories, fibre migration, twist effects on yarn, Peirce geometry derivations, and Platt's equation.
Level-3 Term-I, Final Exám-2022
Subject: Textile Physics-II (Code: YME 329)
Time: 2.0 Hrs. Full Marks: 70
(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 Different Theories of Static electricity.
(b) State the problems created due to static electricity in textiles.
(c) Describe the method of minimizing static problems.
[6+6+5.5=17.5]
2. (a) Define flexural rigidity.
(b) What is fiber migration? Explain the parameters on which fiber migration depends on.
(c) Describe Riding's experiment to measure fiber migration.