BCT401 Yarn Technology-II Syllabus
AKTU B.Tech · 4th Semester · Unit-wise syllabus (effective 2023-24)
BCT401 Yarn Technology-II (also written as KCT401) is a subject in Semester 4 of the AKTU B.Tech programme, prescribed by Dr. A.P.J. Abdul Kalam Technical University. It carries 4 credits with an L-T-P of 3-1-0. The syllabus is divided into 5 units: Unit (1), Unit (2), Unit (3), Unit (4), Unit (5). The complete unit-wise topic list, course outcomes and reference books are given below, taken from the official AKTU syllabus effective from 2023-24.
BCT401 Subject Details
| Subject Code | BCT401 / KCT401 |
|---|---|
| Subject Name | Yarn Technology-II |
| University | Dr. A.P.J. Abdul Kalam Technical University (AKTU) |
| Course | B.Tech (Bachelor of Technology) |
| Year / Semester | 2nd Year · 4th Semester |
| Credits | 4 |
| L-T-P | 3-1-0 |
| Total Units | 5 |
| Scheme Effective From | 2023-24 |
| Last Verified | 2026-08-15 |
BCT401 Yarn Technology-II Unit-Wise Syllabus
Official AKTU syllabus (effective 2023-24) — 5 units.
Unit 1: Unit (1)
Unit (1): Total lectures required = 12 Objectives of speed frame, important parts of speed frame and their functioning, Mechanism involved in drafting, twisting, and winding, different types of roller drafting systems, Common defects in roving package, calculations pertaining to gearing, draft, t.p.i. and production, twist multiplier and roving twist.
Unit 2: Unit (2)
Unit (2): Total lectures required = 12 Introduction and objective of ring frame, important parts of ring frame and their functions, principle and mechanism involved in drafting, twisting and winding, Spinning Geometry, Types of rings and travelers, mechanism of cop formation, common package size,
Unit 3: Unit (3)
Unit (3): Total lectures required = 12 Control in yarn faults, ring frame calculations pertaining to TPI, production and draft, Doubling - Objects and terminology, study of ring doublers, TFO
Unit 4: Unit (4)
Unit (4): Total lectures required = 12 Wool-shearing, clipping and grading. Impurities present in wool and their removal, wool scouring and carbonization. Various systems of wool fibre spinning- woollen and semi worsted - Flow chart,
Unit 5: Unit (5)
Unit (5): Total lectures required = 12 Principles & techniques of manufacturing braided yarn, Spinning of Long staple Fibres like Jute and Silk. Introduction to New spinning system like open end spinning. Airjet spinning etc.
BCT401 Course Outcomes
- Course Objectives:
- 1. To acquire knowledge of fundamentals of speed frame, ring frame, doublers. Wool spinning systems,
- jute spinning and new spinning system.
- 2. To understand technological involvement with appropriate techniques in of speed frame, ring frame,
- doublers. Wool spinning systems, jute spinning and new spinning system.
- 3. To formulate and apply technological knowledge in of speed frame, ring frame, doublers. Wool
- spinning systems, jute spinning and new spinning system in spinning industry.
- 4. To make the spinning processes more productive in of speed frame, ring frame, doublers. Wool
- spinning systems, jute spinning and new spinning system
- 5. To demonstrate knowledge for project work and be helpful to higher studies in the field of of speed
BCT401 Reference Books
- A Practical Guide to Spinning (Individual book for each unit) by W.Kiein.
- Spinning of man-made and blends on cotton systems by K.R.Solholore
- Manual of cotton spinning by Frank Fharnley
- Technology of carding by R.Chattopadhyay
Frequently Asked Questions about BCT401
What is the syllabus of BCT401 Yarn Technology-II?
The AKTU BCT401 Yarn Technology-II syllabus is divided into 5 units: Unit (1); Unit (2); Unit (3); Unit (4); Unit (5). The complete topic list for each unit is published on this page, taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus effective from 2023-24.
How many units are there in BCT401?
BCT401 Yarn Technology-II has 5 units in the AKTU syllabus, with an L-T-P (Lecture-Tutorial-Practical) structure of 3-1-0 and 4 credits.
Is BCT401 the same subject as KCT401?
Yes. AKTU renumbered its B.Tech subject codes from the 2022-23 session onwards, so the same subject appears as BCT401 and KCT401 depending on the scheme year. The syllabus content is the same.
Which semester is BCT401 taught in?
BCT401 Yarn Technology-II is taught in Semester 4 of the 2nd year of the AKTU B.Tech programme.
How many credits is BCT401 worth?
BCT401 Yarn Technology-II carries 4 credits in the AKTU evaluation scheme, with an L-T-P of 3-1-0.
Where can I download BCT401 previous year question papers?
AKTU B.Tech previous year question papers for every semester are available to download free on Ryzenstudy, with no login or registration required.
Is this the official AKTU syllabus for BCT401?
Yes. Every topic on this page is taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus document (AKTU B.Tech 2nd Year Carpet and Textile Technology Syllabus), effective from 2023-24. A direct link to the original AKTU PDF is provided at the top of this page. Last verified on 2026-08-15.
Related AKTU Syllabus
Source: Dr. A.P.J. Abdul Kalam Technical University official syllabus — AKTU B.Tech 2nd Year Carpet and Textile Technology Syllabus, effective from 2023-24. Ryzenstudy is not affiliated with AKTU. Content last verified on 2026-08-15.