Download GTU BE/B.Tech 2018 Winter 7th Sem Old 172902 Modern Weaving Technology Question Paper

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BE - SEMESTER-VII (OLD) EXAMINATION — WINTER 2018
Subject Code: 172902 Date: 03/12/2018
Subject Name: Modern Weaving Technology
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:

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1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Explain beat-up arrangement of projectile weaving machine. (07)
(b) Discuss about drive & let-off in context to Rapier loom. (07)

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Q.2 (a) Discuss about the Modern warping creels. (07)
(b) Give the features of multiphase weaving technique. (07)
OR
(b) Discuss in detail about different insertion configurations on Air-jet loom. (07)
Q.3 (a) Give various equations of drag force with reference to air jet loom. (07)

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(b) Explain cycle of operation of projectiles on projectile loom. (07)
OR
Q.3 (a) Write a note on- Projectiles. (07)
(b) How QSC can be exercised on modern looms? Give it’s usefulness. (07)
Q.4 (a) Explain torsion bar picking arrangement of projectile weaving machine (07)

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(b) Write a note on- Accumulators. (07)
OR
Q.4 (a) What type of water quality is used for Waterjet weaving? Explain it’s picking mechanism. (07)
(b) Give loom-timing diagram of any two shuttleless looms. (07)
Q.5 (a) State the features of modern sizing machine. (07)

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(b) What measures would you like to suggest to overcome the most common problem of starting mark for air-jet denim weaving? (07)
OR
Q.5 (a) Write a note on ELO and ETO. (07)
(b) Discuss about different types of nozzles used in air jet looms. (07)
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