Subject Code: 2172803
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VII (NEW) EXAMINATION — WINTER 2017Subject Name: Technology of Finishing - II
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Explain the objective of heat setting. [03]
(b) Enlist different factors influencing heat setting of polyester fabric. [04]
(c) Enlist various treatments for non felting of wool. Describe any two methods. [07]
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Q.2 (a) Enlist various methods of heat setting. [03]
(b) Describe the rapid heat setting method. [04]
(c) Discuss the effect of heat setting on creasing and dyeing behaviour of polyester. [07]
OR
(c) Explain the mechanism of drying. [07]
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Q.3 (a) Enlist various methods of stabilization of wool. [03]
(b) Explain the influence of any two parameters on stabilization of polyester. [04]
(c) Discuss different milling processes for woolen textiles. [07]
OR
Q.3 (a) Write a short note on: Paper pressing [03]
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(b) Describe potting/ roll boiling process. [04](c) Describe various technical aspects of creping. [07]
Q.4 (a) Enlist various methods of padding. [03]
(b) Write a short note on beetling. [04]
(c) Differentiate between raising and sueding. Describe with neat diagram the working of teasel raising process. [07]
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OR
Q.4 (a) Explain the need of damping and conditioning of textiles. [03]
(b) Describe the working of Palmer finishing machine. [04]
(c) Describe with neat diagram the working of Sanforizing machine. [07]
Q.5 (a) State various methods of calendaring. [03]
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(b) Explain the mechanism of calendaring. [04](c) Describe with neat diagram the working chasing calendar. [07]
OR
Q.5 (a) Enlist various methods of raising. [03]
(b) Describe R.F. drying process. [04]
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(c) Describe with neat diagram the working of vacuum slot dryer. [07]Date: 10/11/2017
Total Marks: 70
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