Download GTU BE/B.Tech 2017 Winter 8th Sem Old 182902 Process And Quality Control In Weaving Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 8th Sem Old 182902 Process And Quality Control In Weaving Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE SEMESTER VIII(OLD) ? ? EXAMINATION ? WINTER 2017

Subject Code:182902 Date: 02-11-2017
Subject Name: PROCESS & QUALITY CONTROL IN WEAVING
Time: 02:30 pm to 05:00 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) Discuss the measures to be taken for controlling productivity at Winding? 04
(b) Discuss in detail the causes for Hard waste in Winders. 10

Q.2 (a) How end breaks in Pirn Winding can be minimized? 07
(b) Discuss in brief general considerations for selection of ingredients in sizing. 07
OR
(b) Discuss preparation of size recipe. 07

Q.3 (a) How patterning can be avoided in spindle driven packages? 07
(b) Discuss the important factors affecting end breaks in warping. 07
OR
Q.3 (a) Discuss the causes for low productivity in warping. 07
(b) Discuss control of yarn stretch on sizing machine. 07

Q.4 (a) Discuss the stops due to weft breaks on a loom. 07
(b) Discuss the settings which help to increase the efficiency of the warp-stop
motion.
07
OR
Q.4 (a) Broadly classify various loom stops. 07
(b) Discuss the effect of reed parameters on warp breakage rate during weaving. 07

Q.5 (a) What is meant by Phurki? What are the remedial measures helping in reducing
the incidence of Phurkies?
10
(b) What are the levels to control yarn waste in weaving? 04
OR

Q.5 (a) Highlight the importance of Singeing in Voile fabrics. 06
(b) At what levels control over the frequency of defects in fabric needs action? 08

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