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GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VI (NEW) EXAMINATION - WINTER 2018Subject Code:2162904 Date:20/11/2018
Subject Name:Technical Textile-I
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Time: 02:30 PM TO 05:00 PM Total Marks: 70
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Instructions:1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
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3. Figures to the right indicate full marks.
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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
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Q.2 (a) State various applications of agrotech. 03
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(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
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(c) Write in short on various types of glass fiber and their applications. 07
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Q.3 (a) How do technical textiles differ from conventional textiles? 03(b) Provide different application areas of technical textile in automobile and 04
civil engineering. Describe use of synthetic fibres in technical textile.
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(c) Discuss the applications of knitted technical fabrics in detail. 07
OR
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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
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Q.4 (a) What are advantages of Calendering process? 03
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(b) Discuss about antimicrobial finish. 04(c) Write a brief note on “Wet Processing of Technical Textiles” 07
OR
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Q.4 (a) Write on the essentials of Heat setting finishing. 03
(b) Discuss the factors affecting the effectiveness of coating material in a 04
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given fabric.(c) Explain how dry powder coating is done to obtain coated Fabrics with a 07
neat sketch.
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Q.5 (a) State various applications of nonwoven medical textiles. 03
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(b) State the advantages of nonwoven fabrics. 04(c) Write a brief note on “Stitch Bonded Nonwovens”. 07
OR
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Q.5 (a) State the advantages of Coating. 03
(b) Discuss about coating materials 04
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(c) Write a brief note on “Textile Reinforced Composites”. 07--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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