GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (OLD) EXAMINATION — WINTER 2017
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Subject Name: Elements of Metallurgy and Material Science
Subject Code:132101 Date:29/11/2017
Time: 10:30 AM to 01:00 PM
Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q1 (a) Give a brief Classification of engineering materials and explain Engineering requirements of materials 03 +04
(b) Give the Criteria for selection of materials for engineering applications 07
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Q.2 (a) What do you mean by deformation? Differentiate in Elastic and Plastic Deformation. 03 +04
(b) Discuss structure, property & Application relationship in Engineering Materials with suitable example 07
OR
(b) What is imperfection? Discuss different crystals imperfections in metallic material in brief 02 +05
Q3 (a) Define and explain: (1) Creep;(2) Resilience (3) Hardness 02+03+02
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(b) Define metallurgy. Describe Various fields of metallurgy 07
OR
Q3 (a) What is composite? Explain comparison between metal matrix and ceramic matrix composite. 07
Q4 (a) What is a foundry? List the advantages of casting process over other fabrication processes. Draw a flow chart showing major foundry activities 03+04
(b) What are polymers? Discuss the different Polymerization mechanisms with sketch 07
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Q4 (a) Write a short note on Piezoelectric materials 07
Q.5 (a) List various types of Corrosion? Explain the Principle and Suggest various methods to prevent it. 04+03
(b) Differentiate between cold working and hot working 07
Q.5 (a) What is difference between Destructive &Non-destructive testing? Explain Magnetic Particle Inspection Technique. 07
(b) What are the ceramic materials? Write short note on Traditional ceramic and Modern ceramic materials. 07
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OR
(b) What is powder metallurgy? Write advantage and limitations and applications of powder metallurgy. 03 +04
(b) Explain the Principle difference between welding, Brazing and soldering 07
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