Question Paper: Material Science Engineering Question Paper - December 2015 - Chemical Engineering (Semester 4) - Mumbai University (MU)

Material Science Engineering - December 2015

MU Chemical Engineering (Semester 4)

Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary
1(a) Limitations of Bohr's model of atom 5 marks

1(b) Heisenberg's uncertainty principle 5 marks

1(c) Polymer blends 5 marks

1(d) Ferromagnetism and antiferromagnetism 5 marks

2(a) Explain how electrical conduction occures in extrinsic semiconductors. 5 marks

2(b) Explain the following terms
(i) Luminescence
(ii) Interaction of light with semiconductors
5 marks

3(a) Draw iron-iron carbide phase diagram. Mention different phases & explain phase transformation reactions. 5 marks

3(b) What is creep? Explain mechanism of creep & its types. 5 marks

4(a) Explain in detail about use of plastic for food packaging. 5 marks

4(b) Write in detail about
(i) Ceramics
(ii) Graphite
5 marks

5(a) Explain in detail about mechanism & factors affecting corrosion. 5 marks

5(b) Explain types of corrosion. 5 marks

6(a) Explain different materials used for fabrication of equipments in chemical industries. 5 marks

6(b) Explain the factors affecting selection of materials for equipments in chemical industries 5 marks

written 16 months ago by gravatar for aniketbab1 aniketbab10
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