GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (Old) EXAMINATION — WINTER 2019
--- Content provided by FirstRanker.com ---
Subject Code: 172902 Date: 30/11/2019
Subject Name: Modern Weaving Technology
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
Q.1 (a) Discuss in detail with the help of neat diagrams different types of selvedges formed on shuttle-less looms. [07]
(b) What do you mean by WIR and WUR? Explain accumulators with suitable diagram. [07]
Q.2 (a) Discuss pre-requisites of water jet loom. Also discuss advantages and disadvantages of water jet loom [07]
--- Content provided by FirstRanker.com ---
(b) Write short note on multiphase loom. [07]
OR
(b) Describe about creel of modern warping machines. [07]
Q.3 (a) Discuss in detail about the types of Projectiles. [07]
(b) Explain picking mechanism of projectile weaving machine with a neat sketch. [07]
--- Content provided by FirstRanker.com ---
OR
Q.3 (a) Explain and Compare beat-up mechanism of projectile loom with that of ordinary shuttle loom. [07]
(b) Explain the modern developments on air-jet looms. [07]
Q.4 (a) What are the differences between Dewas system and Gabler system of rapier looms. [07]
(b) With the help of neat diagrams, explain the driving mechanism used on rigid rapier loom to drive the rapier head in detail. [07]
--- Content provided by FirstRanker.com ---
OR
Q.4 (a) What type of fabric is woven-on air jet weaving machine. Explain blowing sequence of relay nozzles and lining control. [07]
(b) Give various equations of drag force acting on the weft yarn on an air jet loom? [07]
Q.5 (a) Explain the path of yam of water jet loom in warp and weft direction. [07]
(b) Write a short note on drying of fabric in water jet weaving machine. Quality of water needed and water jet width. [07]
--- Content provided by FirstRanker.com ---
OR
Q.5 (a) Write short note on recent development in winding machine. [07]
(b) Highlight in detail the features of the State-of-the-art sizing machines. [07]
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University