Download GTU BE/B.Tech 2018 Winter 3rd Sem New 2132004 Principles Of Materials Science And Physical Metallurgy Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 3rd Sem New 2132004 Principles Of Materials Science And Physical Metallurgy Previous Question Paper

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Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER?III (New) EXAMINATION ? WINTER 2018
Subject Code: 2132004 Date: 05/12/2018

Subject Name: Principles of Materials Science And Physical Metallurgy

Time: 10:30 AM TO 01:30 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) What is the signification of study of Metallurgy? 03
(b) Define the following properties of engineering materials. (Any four)
(1) stress (2) strength (3 )ductility (4) fatigue(5) creep (6) stiffness
04
(c) What is micro examination of metal? What are the various steps required
for such an examination?
07

Q.2 (a) State difference between a space lattice and a crystal structure. 03
(b) Explain with neat sketches the arrangements of atoms in B.C.C and F.C.C
structure.
04
(c) Explain Edge dislocation with help of neat sketch. 07
OR
(c) What is importance of structure ? property- performance relationship? 07

Q.3 (a) Distinguish between Ductile and Brittle fracture with aid of appropriate
sketches.
03
(b) What is Modulus of elasticity? Draw stress- strain diagram for mid steel. 04
(c) Explain Gibb?s phase rule. 07
OR
Q.3 (a) Define the following terms (Any three)
(1) Degree of freedom(2) Unary system and Binary system (3) Coring
(4) Phase diagram
03
(b) Explain with the help of neat sketch the Allotropy of iron. 04
(c) Explain TTT diagram with fully labeling. 07

Q.4 (a) Explain Eutectic Reaction. 03
(b) What is the Heat treatment of steel? What is its objective? 04
(c) Write the procedure for conducting Jominey Hardenability Test. 07
OR
Q.4 (a) Define Hardnability of steel. State factors that affect the Hardenability. 03
(b) Write down on comparison of destructive and non destructive test. 04
(c) Explain Induction hardening process also give application. 07

Q.5 (a) What is the application of Ultrasonic test? 03
(b) Explain any one method of powder production in powder metallurgy. 04
(c) Explain in brief sintering process 07


Q.5 (a) Differentiate between Carburizing and Nitriding. 03
(b) Write the advantages and limitation MPT technique. 04
(c) Draw and Explain iron ? iron carbide diagram. 07
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