Download GTU BE/B.Tech 2018 Winter 3rd Sem New 2132101 Elements Of Metallurgy Question Paper

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Seat No.: Enrolment No.

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-III (New) EXAMINATION — WINTER 2018
Subject Code:2132101 Date:28/11/2018
Subject Name:Elements of Metallurgy
Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

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

MARKS

Q.1 (a) Define Hardness, Resilience, Toughness. 03

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(b) Give classification of Engineering materials with examples. 04
(c) What is ceramic? Write a note on Structure of ceramics. 07

Q.2 (a) Differentiate between Ductility and Malleability. 03
(b) Draw flow diagram of Aluminum extraction 04
(c) Give the classification of composites. Describe about MMC. 07

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OR

(c) Discuss structure and property relation with suitable examples. 07

Q.3 (a) List out different Metallurgical Industries in India. 03
(b) What is Refractory? List the properties of Refractory. 04
(c) What is polymer? What is polymerization. List out different 07 polymerization mechanism. Explain one of it.

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OR

Q.3 (a) Explain Extrusion with neat diagram. 03
(b) Draw flow diagram of extraction of copper. 04
(c) What is imperfection in solids? Discuss different crystals 07 imperfections in brief

Q.4 (a) Explain Forging in brief. 03

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(b) Write a note on Wire drawing. 04
(c) What is Rolling. Explain various types of rolling mills. 07

OR

Q.4 (a) Differentiate between soldering and brazing. 03
(b) Differentiate between hot working and cold working. 04

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(c) What do you mean by metal joining? List out techniques of metal 07 joining. Explain any one welding method.

Q.5 (a) List out different types of Corrosion. 03
(b) Discuss different steps required in foundry practice. 04
(c) What do you mean by powder metallurgy? Discuss advantages and 07 limitations of powder metallurgy.

OR

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Q.5 (a) Define Corrosion. List out Corrosion prevention methods. 03
(b) Give classification of Metal manufacturing Processes 04
(c) Explain the Criteria for selection of materials for Engineering 07 applications