Download GTU BE/B.Tech 2017 Winter 3rd Sem Old 132302 Manufacturing Of Plastic Materials 1 Question Paper

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Subject Code: 132302

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-III (OLD) EXAMINATION — WINTER 2017

Subject Name: Manufacturing of Plastic Materials- 1

Time: 10:30 AM to 01:00 PM

Date: 14/11/2017

Total Marks: 70

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Instructions:

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

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1. (a) Define: (a) Linear polymer (b) Branched polymer (c) Cross linked polymer (d) CMC (e) Initiator (f) Polymerisation (g) Monomer. [07]
2. (b) Explain Bulk and Solution polymerization techniques. [07]

Q.2

1. (a) Write a note on: Naptha Cracking. [07]
2. (b) Define Polymer. Give difference between thermoplastic and thermoset. [07]

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OR

1. (b) Discuss homopolymer and copolymer with suitable examples. [07]

Q.3

1. (a) What are stereo regular polymers? Explain different types of optical isomeric structures in the polymer molecule. [07]
2. (b) Explain production method of acrylonitrilemonomer with neat flow diagram. [07]

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OR

1. (a) Give manufacturing and properties of phenol formaldehyde resin (Novalacs). [07]

Q.4

1. (a) List various polymers prepared from suspension and emulsion technique. Give difference between suspension and emulsion polymerization techniques. [07]
2. (b) Explain manufacturing process of melamine formaldehyde (MF). [07]

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OR

1. (a) List various methods of production of vinyl chloride monomer. Explain any one process with neat flow diagram. [07]
2. (b) Explain the manufacturing process of unsaturated polyester resin. [07]

Q.5

1. (a) Give properties and applications of PF, MF and UF. [07]

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2. (b) Which materials are used to prepare epoxy? Explain the manufacturing process of epoxy resin. [07]

OR

1. (a) Explain manufacturing process of Urea formaldehyde (UF). [07]
2. (a) Which raw materials are used to prepare polyurathenes? Give Manufacturing and applications of thermoset polyurathenes. [07]
3. (b) Draw the plant layout of any plastic material manufacturing industry. [07]

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