Download GTU B.Tech 2020 Winter 5th Sem 3152909 Fabric Formation Iii Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3152909 Fabric Formation Iii Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3152909 Date:01/02/2021
Subject Name:Fabric Formation III
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS
Q.1
(A) Define nonwoven fabric.
3

(B) Explain leno weaving principle
4
With the help of neat diagram, explain the torsion bar mechanism of Sulzer

(C) projectile loom in detail.
7


Q.2
(A) Compare rigid rapier with flexible rapier loom.
3

(B) State and explain different ways of classifying rapier looms.
4
With the help of neat diagram, explain double rapier tip transfer type weft insertion

(C)
7
system in detail.




Q.3
(A) What is braiding? Name different braiding technique.
3

(B) Discuss application of nonwoven fabric in Geotextiles
4

(C) Compare of different web bonding techniques.
7




Q.4
(A) Discuss application of nonwoven fabric in Automotive textiles.
3
Define nonwovens. Give the sequence of operation followed for manufacturing of

(B)
4
nonwovens.

(C) Discuss importance of fibre orientation for nonwoven fabric. How to measure it.
7



Q.5
(A) State different types of weft accumulators used in shuttleless looms.
3

(B) Compare rigid rapier with flexible rapier loom
4
With a neat diagram explain the operation of Weft supply system on Water jet

(C) weaving machine.
7



Q.6
(A) Draw a loom-timing diagram of air jet loom.
3

(B) Explain weft insertion system of air jet weaving machine.
4

(C) What is leno selvedge? Explain the working of leno selvedge with neat diagram.
7



Q.7
(A) Discuss the application of nonwoven filters.
3

(B) Discuss the current market growth of nonwoven industry.
4

(C) Discuss the environmental application of nonwovens.
7



Q.8
(A) State the effects which may be achieved by Mechanical Finishing
3
(B) Discuss 3D woven fabric manufacturing technique.
4
Discuss the any one polymer lay processes carried out in the Nonwoven web
(C)
7
formation.
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