Subject Code: 2152908
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018
Subject Name: Weaving Technology-11
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
Q.1
(a) Calculate the loom production in meters per shift of 8 hours, if loom runs at 180 ppm with 80% efficiency. The cloth contains 24 picks/cm. (03 Marks)
(b) Draw a neat sketch of passage of yarn and cloth through the loom. (04 Marks)
--- Content provided by FirstRanker.com ---
(c) Discuss in detail about shedding mechanism with a neat sketch. (07 Marks)
Q.2
(a) Explain loom timing with diagram with respect to shuttle, picker and healds. (03 Marks)
(b) Give the function of temple and back rest. (04 Marks)
(c) Discuss in detail about construction & working of cam/tappet dobby with a neat sketch. (07 Marks)
--- Content provided by FirstRanker.com ---
OR
(c) Describe the construction & working of loose reed motion with a neat sketch. (07 Marks)
Q.3
(a) Give a formula for power required for picking. (03 Marks)
(b) Explain semi-open and bottom close sheds. (04 Marks)
--- Content provided by FirstRanker.com ---
(c) Give the construction and working of cone overpick motion. (07 Marks)
OR
Q.3
(a) Give functions of selvedge. (03 Marks)
(b) Explain the function of check strap and box swell. (04 Marks)
--- Content provided by FirstRanker.com ---
(c) Discuss about the construction and working of Beat-up motion. (07 Marks)
Q.4
(a) Give classification of looms. (03 Marks)
(b) Prove that Dividend of 7 wheel take up motion is nearly 1. (04 Marks)
(c) Explain the construction and working of side weft fork mechanism. (07 Marks)
--- Content provided by FirstRanker.com ---
OR
Q.4
(a) Give the difference between 7 wheel and 5 wheel take-up motion. (03 Marks)
(b) Compare loose reed and fast reed motions. (04 Marks)
(c) Draw only a neat sketch of Eccles drop box mechanism with name of the parts. (07 Marks)
--- Content provided by FirstRanker.com ---
Q.5
(a) State the objects of Let-off motion. (03 Marks)
(b) How the box leveling device operates in drop-box mechanism? (04 Marks)
(c) Explain the construction and working of pick-at-will motion. (07 Marks)
OR
--- Content provided by FirstRanker.com ---
Q.5
(a) What is the role of lag-lattice in dobby? (03 Marks)
(b) Explain the functions of picker and reed. (04 Marks)
(c) Give the construction and working of mechanical type warp stop motion with a neat sketch. (07 Marks)
Date: 11/12/2018
--- Content provided by FirstRanker.com ---
Total Marks: 70
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University