Download GTU BE/B.Tech 2018 Winter 6th Sem New 2162904 Technical Textile I Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 6th Sem New 2162904 Technical Textile I Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VI (NEW) EXAMINATION ? WINTER 2018
Subject Code:2162904 Date:20/11/2018

Subject Name:Technical Textile-I

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Define the term technical textiles. List their different segment. 03
(b) Give the classification of nonwovens. 04
(c) Explain the principle of needle punching with a neat sketch. 07

Q.2 (a) State various applications of agrotech. 03
(b) Explain how the dry laid webs are manufactured with a neat sketch. 04
(c) Compare and contrast the process of coating and laminating processes. 07
OR
(c) Write in short on various types of glass fiber and their applications. 07
Q.3 (a) How do technical textiles differ from conventional textiles? 03
(b) Provide different application areas of technical textile in automobile and
civil engineering. Describe use of synthetic fibres in technical textile.
04
(c) Discuss the applications of knitted technical fabrics in detail. 07
OR
Q.3 (a) Define nonwoven fabrics. 03
(b) Discuss about SMS fabric 04
(c) Explain the manufacturing of melt blown web with a neat sketch. 07
Q.4 (a) What are advantages of Calendering process? 03
(b) Discuss about antimicrobial finish. 04
(c) Write a brief note on ?Wet Processing of Technical Textiles? 07
OR
Q.4 (a) Write on the essentials of Heat setting finishing. 03
(b) Discuss the factors affecting the effectiveness of coating material in a
given fabric.
04
(c) Explain how dry powder coating is done to obtain coated Fabrics with e
neat sketch.
07
Q.5 (a) State various applications of nonwoven medical textiles. 03
(b) State the advantages of nonwoven fabrics. 04
(c) Write a brief note on ?Stitch Bonded Nonwovens?. 07
OR

Q.5 (a) State the advantages of Coating. 03
(b) Discuss about coating materials 04
(c) Write a brief note on ?Textile Reinforced Composites?. 07

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