Download PTU B.Tech 2020 March Textile 4th Sem Fabric Structure And Analysis Question Paper

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Roll No. Total No. of Pages : 02
Total No. of Questions : 09

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1. Write briefly :
   1. What is the significance of fabric structure analysis?
   2. What is fabric cover factor?
   3. What is the weave used in denim fabric?
   4. Prepare a sponge weave.
   5. Mention the end uses of double fabric.

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   6. Give the characteristic features of satin/ sateen weaves.
   7. Prepare diamond on minimum repeat size.
   8. Differentiate between welt and pique weaves.
   9. What is the function of fringing mechanism in terry weaving?
   10. Prepare a vertical hairline pattern.

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SECTION-B

2. Prepare a zig zag twill weave using 2/1, 1/1 twill with its weaving plans.
3. Prepare brighton honeycomb structure with the cross-sectional view.
4. What are the various methods used to prepare stripe and check patterns?

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5. Compare huck a back and mockleno weaves.
6. Design a distorted thread pattern.

SECTION-C

7. What are terry fabrics? Give their classification. Prepare the graphical representation and cross- sectional view of a three pick terry fabric.
8. What are characteristic features of backed fabrics? Prepare a weft backed warp wadded fabric.

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9. A stripe fabric is woven 42.5 inches wide on a 60s American reed with 50 ppi. The selvedges are 1/4 inch wide on each side woven with 2/30s bleached yarn with 4 ends/dent. The length of the piece is 60 yards and the crimp of warp is 8%. The count of the weft 20s and the warp pattern is as follows
   30s brown - 2 ends
   26s white - 2 ends
   30s brown - 3 ends
   26s white - 3 ends
   

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   Calculate :
   1. Total number of ends in the warp
   2. Total length of each colored yarn
   3. Total weight of each colored yarn
   4. Total weight of yarn in the piece

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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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