Download GTU BE/B.Tech 2018 Winter 3rd Sem New 2133403 Engineering Materials And Metallurgy Question Paper

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Seat No.:

Enrolment No.

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER-III (New) EXAMINATION — WINTER 2018

Subject Code: 2133403

Subject Name: Engineering Materials and Metallurgy

Time: 10:30 AM TO 01:00 PM

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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. Name Different Case Hardening Techniques. (03)
2. Explain and draw cooling curves for 1) pure metal and 2) Binary solid solution. (04)
3. What is Solid Solution? Explain its Types. (07)

Q.2

1. Classify Different Types of Steels. (03)

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2. Explain principle, methods and advantages of flame hardening. (04)
3. What do you mean by Iron Carbon Equilibrium Diagram? Draw Line Diagram of Iron Carbon Equilibrium diagram and explain peritectic reaction. (07)

   OR

   Draw and Explain TTT Diagram. (07)

Q.3

1. Define full annealing. Explain purposes of full annealing. (03)

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2. Explain Normalizing of Steel (04)
3. Explain Copper alloys. (07)

   OR

   Write applications of nickel and its-alloys. (07)

Q.4

1. Differentiate thermoplastic and Thermosetting Plastic. (03)

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2. Write a short note on Bio-Degradable Plastics. (04)
3. Write applications of aluminium and its alloys. (07)

Q.5

1. Classify steel and cast iron. (03)
2. What are purposes of heat treatment? Classify heat treatment. (04)

   OR

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   Write characteristics of ceramics. (04)
3. Explain Various Titanium Alloys and their applications. (07)

1. Explain principles of heat treatment. What are stages of heat treatment? (03)
2. Explain Plasma Nitriding Process. (04)
3. Write a short note on composites. (07)

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1. Explain Tension Test on Materials. (03)

   OR

   Explain Vacuum Hardening Process. (03)
2. Explain Carburizing Process. (04)
3. Explain Impact Test on Materials. (07)

Date: 01/12/2018

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Total Marks: 70