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

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2133403 Engineering Materials And Metallurgy Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
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.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Q.1 (a) Define:
1) Solid Solution
2) Substitutional Solution
03
(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
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
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
(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
(c) What is Bio-Degradable Plastics and explain the Bio-Degradation Plastics. 07
Q.5 (a) Define:
1) Modulus of Elasticity
2) Plastic Deformation
3) Hardness
03
(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
(c) Define fatigue, & write down importance of fatigue test? Also, explain fatigue
test theory.
07

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