Special Yarn Manufacturing exam (YE 403) from the 2022 Level-4 Term-I finals, BUTEX affiliated colleges. Covers yarn designation, loop and slub yarn production on ring frames, hollow spindle fancy yarns, siro spinning, core spun yarns, and air jet texturization.
Level-4 Term-I, Final Exám-2022
Subject: Special Yarn Manufacturing (Code: YE 403)
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 yarn and thread. Make a comparative statement between yarn and thread.
(b) What is yarn designation? Write the factors of yarn designation.
(c) Write short notes on novelty yarn and textured yarn.
[4+4+4 = 12]
2. (a) What is fancy yarn? Write down the properties of fancy yarn.
(b) Describe the end uses of fancy yarn.
(c) Illustrate the production process of loop yarn in ring frame.