APM403 Basics of Textile Manufacture-II B.Tech Question Paper : wbut.ac.in

Name of the University : West Bengal University of Technology
Department : Apparel Production Management
Degree : B.Tech
Sem : IV
Subject Code/Name : APM403/Basics Of Textile Manufacture-II
Website : wbut.ac.in
Document Type : Previous Year Examination Question Paper

Download Model/Sample Question Paper :
2009 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6317-2009APM-403.pdf
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2011 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6317-2011APM-403(2).pdf

Basics Of Textile Manufacture-II Question Paper :

Engineering & Management Examinations, June – 2009 :
Semester – 4
Time : 3 Hours
Full Marks : 70
** The figures in the margin indicate full marks.
** Candidates are required to give their answers in their own words as far as practicable.

Related : West Bengal University of Technology APM4051 Basics of Apparel Production Process B.Tech Question Paper : www.pdfquestion.in/6314.html

GROUP – A :  ( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following : 10 × 1 = 10
i) A loom is a machine having at least
a) 3 motions b) 4 motions
c) 5 motions d) 7 motions.

ii) For continuous weaving of the fabric, weaving machine requires
a) shedding & picking b) beat-up
c) take-up d) take-up & let-off.

iii) Complicated designs like portraits, landscape, etc. can be woven with the shedding of
a) Tappet b) Dobby
c) Jacquard d) None of these.

iv) Weft bar is due to difference in
a) Material b) Colour
c) Count d) Pick spacing.

v) Water-jet loom is having average picking speed of
a) 44 ft/sec b) 80 ft/sec
c) 100 ft/sec d) 160 ft/sec.

vi) Which needle is termed as “self-acting” needle ?
a) Bearded needle b) Latch needle
c) Compound needle d) None of these.

vii) On multi-track circular weft knitting machines, the number of tracks are generally
a) two b) three
c) four d) six.

viii) The extensibility of which weft knitted fabric is maximum ?
a) Single jersey b) Rib
c) Interlock d) Fleece.

ix) Stitch density is
a) no. of wales in unit length b) no. courses in unit length
c) no. of loops in unit area d) none of these.

x) Guide bars are used on
a) circular weft knitting machines
b) flat weft knitting machines
c) warp knitting machines
d) none of these.

GROUP – B : ( Short Answer Type Questions )
Answer any three of the following. : 3 × 5 = 15
2. What are the objects of warping and sizing ?
3. What are the motions of a loom without any of which, weaving is not possible ? Explain.
4. What limitations do non-moven fabrics have ? What are the differences between woven and non-woven fabrics ?
5. Show with diagram, the different parts of a latch needle and mention their functions.
6. Compare weft knitting and warp knitting.
7. Discuss any two faults of woven fabric, their causes and remedies.

GROUP – C : ( Long Answer Type Questions )
Answer any three of the following :. 3 × 15 = 45
8. a) Discuss briefly how the woven fabric is formed. 5
b) Show the passage of material on a loom with a schematic diagram. 5
c) Why are heald frames not required in jacquard weaving ? 5

9. a) What are the disadvantages of conventional looms ? 4
b) What are the objectives of shuttleless looms ? 4
c) What are the differences between water-jet loom and air-jet loom ? 7

10. a) What are the important properties of non-woven fabrics ? 5
b) What are the different types of chemical and thermal bonding used in non-woven fabrics ? Discuss the special features of each type. 7
c) How are needle punched non-wovens different from chemical bonded non-wovens ? 3

11. a) Why has knitting industry experienced a remarkable growth in the recent years ? 5
b) Explain with suitable diagram the loop forming cycle of a single jersey weft knitting machine using latch needle. 7
c) Compare latch and bearded needle. 3

12. a) Explain the term ‘needle gaiting’. How is it related to the double jersey weft knitting machines ? 5
b) What are the different types of warp knitting machines and how do they differ ? 3
c) What would be the theoretical production in kg of a 30 inch diameter and 90 feeder single jersey weft knitting machine, running at 25 rpm and producing plain jersey fabric of 2.5 mm stitch length using 30s cotton yarn ? 7

13. a) What is dobby and what is jacquard ? What are the differences between the two. 2 + 2
b) Discuss the working of any one type of dobby. 5
c) Discuss the working of any one type of jacquard. 6