Download AKTU B-Tech 6th Sem 2016-2017 EC602 Coating Of Textiles Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 6th Semester (Sixth Semester) 2016-2017 EC602 Coating Of Textiles Question Paper

Printed Pages : 1 Roll No.| l l l l I l l l l l EC602
B. TECH.
THEORY EXAMINATION (SEM?VI) 2016-17
COATING OF TEXTILES
Time : 3 Hours Max. Marks : 100
Note : Be precise in your answer.
SECTION-A
1 Explain the following : (10X2=20)
a) Polymeric material
b) Acrylic polymer
c) Coating
d) Calendaring
e) Rheology
f) Fabric
g) Clothing comfort
h) Breathable fabric
i) Abrasion resistance
j) Low temperature impact test
SECTION-B
2 Attempt any five parts of the following: (10x5=50)
a) What is the concept of curing? Explain the method of curing of rubber coating.
b) Discuss any one screen printing method for coating.
c) Explain the roller coating process with the help of examples.
(1) Discuss "Knife as a Coating Head".
e) Establish the relation between thickness of coating to distance between fabric and
knife.
f) Explain Plastisols and apparent Viscosity.
g) What is Resistance to water penetration? Explain the process of testing of water
proofing.
h) Differentiate between Thermo chromic Fabric and Temperature Adaptable Fabric.
SECTION-C
Attempt any two parts of the following: (15x2=30)
3 Discuss the process of estimation of GSM of coating.
4 Discuss rheological behavior of compound of different materials.
5 Write short notes on any two of the following:
a) Impermeable coating.
b) Camou?age nets.
c) Radiation cured coating.