Two complete Fabric Manufacturing-I papers (FE 201) from BUTEX affiliated colleges' 2018 Level-2 Term-I finals. Questions cover winding zones and machines, sizing technology, warping creels, and numerical problems on winding efficiency and beam calculations.
Q1
Level-2 Term-I, Final Exám-2018
Subject: Fabric Manufacturing-I (Code: FE 201)
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) Draw a schematic diagram of winding process with mentioning unwinding zone, tensioning zone & clearing zone.
(b) Define side withdrawal & over-end withdrawal winding process with necessary diagram.
(c) The winding drum of a high speed cone winder having a diameter of 3 inch makes 2870 r.p.m. The actual amount of yarn wound in 9 hrs was found to be 332,838 yds. What is the efficiency?
[3+4+5=12]
2. (a) State the characteristics of a good sized yarn.
(b) Mention about the types of sizing. Define them.
(c) What are the technological changes due to sizing?
[3+(2+3)+4=12]
3. (a) Differentiate between direct warping & indirect warping.
(b) Mention the types of creel used in warping section with definition.
(c) Consider the following construction number of a woven fabric
Q2
Level-2 Term-II, Final Exám-2018
Subject: Fabric Manufacturing-I (Code: FE 201)
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) Write down the flow chart of weaving.
(b) What is ballooning? Describe the effects of different factors on balloon size and shape.
(c) Describe different types of tensioning devices with figure.
(d) Find out the production in length from the following data. PPM=350, PPI=60, No of looms=10, Time=7 days and efficiency=90%
[2+4+3+3=12]
2. (a) State the objects of high speed warping.
(b) Differentiate between precision and non precision winding.
(c) The weight of sized yarn on a beam was to be 82.5 lb. The beam contains 1050 yards of warp whose count before sizing was . If the no of ends in warp is 3000, calculate.
(i) The weight of size on the yarn. (ii) The percentage of size put on the yarn.
(iii) Count the sized yarn.
[2+4+6=12]
3. (a) Mention the essential and desirable properties of sizing materials.
(b) A warp containing 2800 ends is required to be sized to 25%. The length of the sized warp on the beam is required to be 1080 yds. If the count of the yarn is 40 Ne, find out-