Download AKTU B-Tech 8th Sem 2016-17 EC802 Development Of Wet Processing Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 8th Semester (Eight Semester) 2016-17 EC802 Development Of Wet Processing Question Paper

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B.TECH.
THEORY EXAMINATION (SEM?VIII) 2016-17
DEVELOPMENT OF WET PROCESSIN G
Time : 3 Hours Max. Marks : 100
Note : Be precise in your answer. In case Ofnumerical problem assume data wherever not provided.
SECTION-A
1 Explain the following: (10x2=20)
a) What do you mean by delustureing?
b) What is difference between felting and milling of wool?
c) Enlist different factors in?uencing heat setting of polyester fabric
d) What do you mean by antistatic finish?
6) Write down the names of antistatic finish.
f) What types of finishes applicable on cotton fabrics?
g) What types of finishes applicable on Lenin fabrics?
h) What do you mean by scrooping?
i) What is sanforisation?
j) What is the aim of napping?
SECTION-B
2 Attempt any five of the following: (10x5=50)
a) What is raising? What is the purpose of raising in textile finishing? Describe with neat
diagram the working of raising machine.
b) Give the mechanism of antistatic finish.
0) What is difference between fire repellent and water fire proof fabric?
d) N ame various test for assessing water repellency of textiles.
e) What do you mean by water repellency? Discuss mechanism of water repellency?
f) N ame various methods for producing ?ame retardant synthetic fibre textile. How ?ame
Retardant finish applied on polyester fabrics.
g) What is difference between water repellent and water proof fabric?
h) Discuss the object and techno?physical aspects of calendering. Give the Classification
of Calendering process.
SECTION-C
Attempt any two of the following: (15x2=30)
3 Explain principle and working of a Beetling machine for finishing of linen fabrics.
4 How permanent setting of woolen fabrics is carried. Discuss by giving appropriate figure and
working of machine.
5 Enlist various calendars available. Discuss about Swizzing calendar and Chasing calendar in
detail.
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