Download GTU BE/B.Tech 2019 Winter 3rd Sem New 2132902 Yarn Manufacturing I Question Paper

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Subject Code: 2132902

GUJARAT TECHNOLOGICAL UNIVERSITY

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Instructions:

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

1. (a) What are the objectives of Blowroom process? MARKS 03
   

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   (b) Write the importance of sliver coiling mechanism used in card. MARKS 04
   (c) What is blending? Discuss about any one mixing machine used in blowroom line. MARKS 07
2. (a) What are the objectives of Ginning machine? MARKS 03
   (b) With a neat sketch explain the working of Cleanomat CL-C3. MARKS 04
   (c) With a suitable sketch explain the construction and working of Saw Gin machine. MARKS 07
   

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   OR
   With a suitable sketch explain the construction and working of Macarthy Gin machine.
3. (a) List out any three coarse cleaning machine. MARKS 03
   (b) With a suitable diagram explain the working of Dust removal. MARKS 04
   (c) With a neat sketch explain the passage of material on Card. MARKS 07
   

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   OR
   What are the objectives of card?
4. (a) Discuss the different types of grinding tools used for wire point grinding. MARKS 03
   (b) Write a short note on: Grid Bar. MARKS 04
   (c) What is IGS at card? MARKS 07

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5. (a) What are the function of Metal extractor? Discuss Magnetic metal extractor. MARKS 03
   (b) With a suitable sketch explain the working of automatic bale opening machine. MARKS 04
   (c) MARKS 07
   OR
   What is Tandem card?

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6. (a) Write short note on Baling and packaging. MARKS 03
   (b) With a suitable diagram explain the piano feed mechanism. MARKS 04
   (c) Define the construction of flat in carding machine. MARKS 07
7. (a) What is grinding and stripping action in card? MARKS 03
   (b) Write short note on Card clothing. MARKS 04
   

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   (c) MARKS 07
   OR
   Define cleaning efficiency? Give the formula for cleaning efficiency of card.
8. (a) Write a brief note on chute feed system. MARKS 03
   (b) Discuss the modern developments in carding machine with suitable figures. MARKS 04
   

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   (c) MARKS 07