Yarn Manufacturing-II exam (YE 307) from BUTEX affiliated colleges' 2024 Level-3 Term-I finals. Includes the jute yarn manufacturing sequence, breaker card principles, rotor and vortex spinning mechanisms, slub yarn production, and false twist texturization.
Level-3 Term-I, Final Exám-2024
Subject: Yarn Manufacturing-II (Code: YE 307)
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) Show the process sequence of jute yarn manufacturing. Write the objectives of batching in a jute spinning mill.
(b) Explain the role of emulsion ingredients in the jute softening and lubricating process.
(c) Describe the working principle of a jute softener machine with a neat sketch.
[4+4+4=12]
2. (a) Explain the factors that influence the jute carding process.
(b) Describe the working principle of a breaker card with necessary sketch.