GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Name: Technology Of Denim Manufacturing
Time: 10:30 AM TO 01:00 PM
Date: 20/05/2019
Total Marks: 70
Subject Code: 2182908
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019Subject Name: Technology Of Denim Manufacturing
Time: 10:30 AM TO 01:00 PM
Date: 20/05/2019
Total Marks: 70
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Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
-
- What is the history of denim and jeans? (03 MARKS)
- Discuss briefly about the typical denim constructions, weaves, and weights. (04 MARKS)
- Write in detail about the process flow for denim fabric manufacturing. (07 MARKS)
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-
- Write briefly about the non-indigo dyes used for denim manufacturing. (03 MARKS)
- Which are the common yarn sizes for denim? (04 MARKS)
- Write in detail about the spinning process of yarn for denim. (07 MARKS)
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OR
- Write a short note on indigo production. (07 MARKS)
-
- Mention the features of magazine creels. (03 MARKS)
- Write briefly about the structured denim yarns. (04 MARKS)
- Write a short note on warping process in denim manufacturing. (07 MARKS)
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OR
- What are eco-friendly reducing agents? (03 MARKS)
- Explain the concept of digital printing. (04 MARKS)
- Explain the rope dyeing process with neat sketch. (07 MARKS)
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-
- Discuss briefly about looptex technology. (03 MARKS)
- Write briefly about SBIT and IBST. (04 MARKS)
- Discuss the modifications in shuttleless looms for manufacturing denim fabric. (07 MARKS)
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OR
- Write briefly about Sodium hydrosulphite concentration testing. (03 MARKS)
- Write briefly about dyeing of jeans. (04 MARKS)
- Discuss in detail about finishing of denims. (07 MARKS)
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- State the special features of ecru denim. (03 MARKS)
- Write briefly about knitted denims. (04 MARKS)
- Discuss in detail about the sewing of denim fabric. (07 MARKS)
OR
- Write briefly about the evaluation of pH of dye bath. (03 MARKS)
- Write briefly about the washing process. (04 MARKS)
- Discuss the tests conducted and measures taken to control quality in denim manufacturing. (07 MARKS)
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