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

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem Old 172902 Modern Weaving Technology Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

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:

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

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
(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
(b) Write a note on- Accumulators. 07
OR
Q.4 (a) What type of water quality is used for Water-jet 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
(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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