Download GTU BE/B.Tech 2019 Winter 4th Sem New 2142902 Weaving Technology I Question Paper

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Subject Code: 2142902

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER- IV (New) EXAMINATION - WINTER 2019
Subject Name: Weaving Technology-I
Time: 10:30 AM TO 01:00 PM

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) What are the objects of warping? MARKS 03
(b) How the EYC (electronic yarn clearer) works? MARKS 04
(c) How the package is build on drum driven machine? MARKS 07

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Q.2 (a) Write a note on- Balloon breakers. MARKS 03
(b) What are the advantages of rewound weft? MARKS 04
(c) Write in detail about the different drawing —in methods. MARKS 07

OR

(c) How the Shirley automatic size box works? MARKS 07

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Q.3 (a) What it means by “stretch percentage” at sizing? MARKS 03
(b) How much different types of winding packages can be prepared? MARKS 04
(c) Give the salient features of Super speed beam warping machine. MARKS 07

OR

Q.3 (a) Briefly explain Gate type yarn tensioning device. MARKS 03

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(b) What is the role of binders and softners as size ingredients? MARKS 04
(c) Write a detail note on Injection cooking method. MARKS 07

Q.4 (a) What is the difference between size pick-up and size add-on? MARKS 03
(b) Which are the methods of weft preparation? MARKS 04
(c) Draw aneat sketch of warp yarn through multi-cylinder sizing machine and explain the function of Float, Squeezing & Immersion roller. MARKS 07

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OR

Q.4 (a) Write a note on- Disc type yarn tensioning device. MARKS 03
(b) Give the comparison between direct and sectional beam warping. MARKS 04
(c) Write a detail note on Ruti automatic size box. MARKS 07

Q.5 (a) Write a note on any one warping creel. MARKS 03

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(b) How one can carry out filament sizing? MARKS 04
(c) Explain Doffing and Donning arrangements at warping machine. MARKS 07

OR

Q.5 (a) Briefly explain Washer type yarn tensioning device. MARKS 03
(b) Give the objects of sizing process. MARKS 04

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(c) Write a detail note on Pressure cooker. MARKS 07

Date: 14/12/2019

Total Marks: 70

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