Download GTU BE/B.Tech 2019 Winter 3rd Sem New 2133403 Engineering Materials And Metallurgy Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER- III (New) EXAMINATION — WINTER 2019

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Subject Code: 2133403 Date: 30/11/2019

Subject Name: Engineering Materials and Metallurgy

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Define: 03

1. Solid Solution
2. Substitutional Solution

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(b) Explain Development of microstructures in Iron- carbon alloys 04

(c) Explain Iron-Iron carbide equilibrium diagram in details 07

Q.2 (a) Describe Jominy end quench test. 03

(b) Write a short note on CCT cooling curves. 04

(c) Explain Principle, methods and advantages of induction hardening with neat sketch. 07

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OR

(c) Explain Principle, methods and advantages of Flame hardening with neat sketch. 07

Q.3 (a) Write down the classification of steels 03

(b) Write a short note on Copper alloys with application 04

(c) Explain Various Titanium Alloys and their applications. 07

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OR

Q.3 (a) Write down applications of nickel and its alloys 03

(b) Write a short note on Aluminum and its alloys with application 04

(c) Explain Cobalt alloys with properties and applications. 07

Q.4 (a) Differentiate Metal and Non-Metallic Materials 03

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(b) Differentiate Commodity Plastics and Engineering Plastics 04

(c) Explain Nano-materials with properties and some application 07

OR

Q.4 (a) Describe Non-Metallic Materials. 03

(b) Differentiate thermosetting and thermoplastics polymers with application. 04

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(c) What is Bio-Degradable Plastics and explain the Bio-Degradation Plastics. 07

Q.5 (a) Define: 03

1. Modulus of Elasticity
2. Plastic Deformation
3. Hardness

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(b) Write a short note on Creep Tests 04

(c) Differentiate tension test and Compression test with neat diagram also write a short note on impact test 07

OR

Q.5 (a) Define: 1) Creep 2) Toughness 3) Ductility 03

(b) Write a short note on Tension Tests 04

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(c) Define fatigue, & write down importance of fatigue test? Also, explain fatigue test theory. 07