Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 3rd Sem Old 132302 Manufacturing Of Plastic Materials 1 Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (OLD) EXAMINATION ? WINTER 2017
Subject Code:132302 Date:14/11/2017
Subject Name: Manufacturing of Plastic Materials- 1
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.
Q.1 (a) Define: (a) Linear polymer (b) Branched polymer (c) Cross linked polymer
(d) CMC (e) Initiator (f) Polymerisation (g) Monomer.
07
(b) Explain Bulk and Solution polymerization techniques. 07
Q.2 (a) Write a note on: Naptha Cracking. 07
(b) Define Polymer. Give difference between thermoplastic and thermoset. 07
OR
(b) Discuss homopolymer and copolymer with suitable examples. 07
Q.3 (a) What are stereo regular polymers? Explain different types of optical isomeric
structures in the polymer molecule.
07
(b) Explain production method of acrylonitrile monomer with neat flow diagram. 07
OR
Q.3 (a) Give manufacturing and properties of phenol formaldehyde resin (Novalacs). 07
(b) List various polymers prepared from suspension and emulsion technique. Give
difference between suspension and emulsion polymerization techniques.
07
Q.4 (a) Explain manufacturing process of melamine formaldehyde (MF). 07
(b) List various methods of production of vinyl chloride monomer. Explain any one
process with neat flow diagram.
07
OR
Q.4 (a) Explain the manufacturing process of unsaturated polyester resin. 07
(b) Give properties and applications of PF, MF and UF. 07
Q.5 (a) Which materials are used to prepare epoxy? Explain the manufacturing process of
epoxy resin.
07
(b) Explain manufacturing process of Urea formaldehyde (UF). 07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (OLD) EXAMINATION ? WINTER 2017
Subject Code:132302 Date:14/11/2017
Subject Name: Manufacturing of Plastic Materials- 1
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.
Q.1 (a) Define: (a) Linear polymer (b) Branched polymer (c) Cross linked polymer
(d) CMC (e) Initiator (f) Polymerisation (g) Monomer.
07
(b) Explain Bulk and Solution polymerization techniques. 07
Q.2 (a) Write a note on: Naptha Cracking. 07
(b) Define Polymer. Give difference between thermoplastic and thermoset. 07
OR
(b) Discuss homopolymer and copolymer with suitable examples. 07
Q.3 (a) What are stereo regular polymers? Explain different types of optical isomeric
structures in the polymer molecule.
07
(b) Explain production method of acrylonitrile monomer with neat flow diagram. 07
OR
Q.3 (a) Give manufacturing and properties of phenol formaldehyde resin (Novalacs). 07
(b) List various polymers prepared from suspension and emulsion technique. Give
difference between suspension and emulsion polymerization techniques.
07
Q.4 (a) Explain manufacturing process of melamine formaldehyde (MF). 07
(b) List various methods of production of vinyl chloride monomer. Explain any one
process with neat flow diagram.
07
OR
Q.4 (a) Explain the manufacturing process of unsaturated polyester resin. 07
(b) Give properties and applications of PF, MF and UF. 07
Q.5 (a) Which materials are used to prepare epoxy? Explain the manufacturing process of
epoxy resin.
07
(b) Explain manufacturing process of Urea formaldehyde (UF). 07
2
OR
Q.5 (a) Which raw materials are used to prepare polyurathenes? Give Manufacturing and
applications of thermoset polyurathenes.
07
(b) Draw the plant layout of any plastic material manufacturing industry. 07
*************
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This post was last modified on 20 February 2020