GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (NEW) EXAMINATION — SUMMER 2019
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Subject Code: 2133403 Date: 07/06/2019Subject Name: Engineering Materials and Metallurgy
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) What do you mean by Iron Carbon Equilibrium Diagram? Draw Line Diagram of Iron Carbon Equilibrium diagram and explain peritectic reaction. 07
(b) What is Solid Solution? Explain its Types. 07
Q.2 (a) Differentiate Annealing and Normalizing Process 07
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(b) Draw and Explain TTT Diagram 07
OR
(c) What is the difference between Hardness and Hardenability? Explain Jominey End Quench Test for measurement of Hardenability. 07
Q.3 (a) Explain Types of Case Hardening Process. 07
(b) What is the difference between cast iron and steel? Explain Grey Cast iron with sketch. 07
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OR
Q.3 (a) Explain Copper alloys. 07
(b) Explain effects of Mn, Si, Cr, Mo, V on Steel. 07
Q.4 (a) What do you mean by superconductor and explain Type 1 and Type 2 Superconductors. 07
(b) Differentiate thermoplastic and Thermosetting Plastic. 07
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OR
Q.4 (a) Write a short note on Bio-Degradable Plastics. 07
(b) Write a short note on Nano-Materials. 07
Q.5 (a) Explain Tension Test on Materials. 07
(b) Explain Compression Test on Materials. 07
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OR
Q.5 (a) Explain Fatigue Test on Materials. 07
(b) Explain Creep Test on Materials. 07
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