Textile Physics-1 exam (TE-207) from University of Chittagong's 2009 second-year finals, two hours and 40 marks. Covers stress-strain curves, flexural and torsional properties, fibre structure investigation by X-ray and electron microscope, and swelling measurements.
B. Sc in Textile Engineering
2nd year Final Examination-2009
Subject: Textile Physics – 1 (TE – 207)
Time – 2 hours | Full marks - 40 |
Answer any four questions
1. (a) Define work of rupture.
(b) Explain the stress-strain curve when a load is applied on a fibre.
(c) Discuss about the factors that are involved to determine the result of tensile experiment.
(d) Write down about tenacity and breaking extension.
(1+4+3+2=10)
2. (a) Define flexural and torsional properties of fibre.
(b) Write the importance and influence of flexural properties.
(c) Illustrate the durability phenomenon of textile fibre.
(d) What is meant by specific flexural rigidity.
(2+2+4+2=10)
3. (a) Define crystallinity, Orientation and amorphousness.