Download GTU BE/B.Tech 2017 Winter 3rd Sem Old 132901 Textile Fibers Question Paper

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1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

1. Q.1
   1. Give broad classification of textile fibers. 07
   2. State the advantages and disadvantages of natural and manmade fibers. 07

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2. Q.2
   1. Explain the manufacturing of polyester fiber. 07
   2. Give the cross section of cotton, acrylic and silk with their densities. 07
   OR
   1. Give the cross section of wool, polyester and nylon with their densities. 07
   2. Discuss in detail about Dry, Melt and Wet spinning methods. 07

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3. Q.3
   1. Explain the morphology of wool fiber in detail. 07
   OR
   1. Discuss in detail about cuticle and secondary wall of cotton fiber. 07
4. Q.4
   1. Explain about the spinning of viscose rayon in detail. 07

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   2. Describe in detail about nylon manufacturing method. 07
5. Q.5
   1. Discuss in detail about primary wall and lumen of cotton fiber. 07
   OR
   1. Write a note on linen fiber. 07
   2. How the degumming of silk is being carried out? 07

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6. Q.6
   1. Explain the processes of silk reeling & silk throwing. 07
   2. Write a note on coir fiber. 07
   OR
   1. Discuss in detail about essential properties of textile fibers. 07

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