Yarn Manufacturing-I paper (YE 213) from BUTEX affiliated colleges' 2023 Level-2 Term-II finals. Questions address blow room functions with wastage numericals, carding actions and settings, grinding, flat bar functions, and drafting irregularity proofs.
Level-2 Term-II, Final Exám-2023
Subject: Yarn Manufacturing-I (Code: YE 213)
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) What is BIAS and SCI?
(b) Write the importance of mixing and blending for Ring yarn.
(c) Discuss the functions of Blow room.
(d) If cotton feed at Blow room = 10 tons, Material feed at carding machine = 9820 kgs and material delivery at carding machine = 9114 kgs. Find out the wastage % of Blow room.
[2+3+3+4=12]
2. (a) Write the objects of carding.
(b) Discuss the different actions in carding machine with figure.
(c) Define grinding and write about horse roll grinding machine.
(d) Distinguish between flexible card clothing and metallic card clothing.
[1+4+4+3=12]
3. (a) Why carding is called the heart of spinning?
(b) Explain five important setting points in carding machine with their impact in changing.