Textile Physics-II exam (YME 329), two hours and 70 marks, from BUTEX affiliated colleges' 2020 Level-3 Term-I finals. Questions address dielectric properties, tracer fibre migration measurement, ideal yarn geometry proofs, and Peirce cloth geometry calculations.
Level-3 Term-I, Final Exám-2020
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) What is dielectric properties? Derive the equation of dielectric current.
(b) Narrate the factors affecting dielectric properties.
(c) Describe the method of measuring static electricity.
[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 the tracer fiber technique to measure fiber migration.
[4+(2+5)+6.5=17.5]