Download GTU BE/B.Tech 2019 Summer 8th Sem New 2182908 Technology Of Denim Manufacturing Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem New 2182908 Technology Of Denim Manufacturing Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2182908 Date:20/05/2019

Subject Name:Technology Of Denim Manufacturing

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.


*************

MARKS

Q.1 (a) What is the history of denim and jeans? 03
(b) Discuss briefly about the typical denim constructions, weaves, and
weights.
04
(c) Write in detail about the process flow for denim fabric manufacturing. 07

Q.2 (a) Write briefly about the non-indigo dyes used for denim manufacturing. 03
(b) Which are the common yarn sizes for denim? 04
(c) Write in detail about the spinning process of yarn for denim. 07
OR
(c) Write a short note on indigo production. 07
Q.3 (a) Mention the features of magazine creels. 03
(b) Write briefly about the structured denim yarns. 04
(c) Write a short note on warping process in denim manufacturing. 07
OR
Q.3 (a) What are eco-friendly reducing agents? 03
(b) Explain the concept of digital printing. 04
(c) Explain the rope dyeing process with neat sketch. 07
Q.4 (a) Discuss briefly about looptex technology. 03
(b) Write briefly about SBIT and IBST. 04
(c) Discuss the modifications in shuttleless looms for manufacturing denim
fabric.
07
OR
Q.4 (a) Write briefly about Sodium hydrosulphite concentration testing. 03
(b) Write briefly about dyeing of jeans. 04
(c) Discuss in detail about finishing of denims. 07
Q.5 (a) State the special features of ecru denim. 03
(b) Write briefly about knitted denims. 04
(c) Discuss in detail about the sewing of denim fabric. 07
OR
Q.5 (a) Write briefly about the evaluation of pH of dye bath. 03
(b) Write briefly about the washing process. 04
(c) Discuss the tests conducted and measures taken to control quality in denim
manufacturing.
07
FirstRanker.com - FirstRanker's Choice