Download GTU BE/B.Tech 2019 Summer 3rd Sem Old 131904 Material Science And Metallurgy Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 3rd Sem Old 131904 Material Science And Metallurgy Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III(OLD) EXAMINATION ? SUMMER 2019
Subject Code: 131904 Date: 11/06/2019

Subject Name: Material Science 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) Briefly explain various properties of engineering materials.

07
(b) Draw Iron-Iron carbide equilibrium diagram. Name all the important reactions,
phases, percentages and temperatures on the diagram.
07

Q.2 (a)
What is a solid solution? Explain different types of solid solution with a neat sketch.

07
(b) What are the three common methods of powder production in powder
metallurgy? Explain any one in detail.
07
OR
(b) What are the advantages and disadvantages of powder metallurgy? 07

Q.3 (a) Classify various types of cast irons and explain briefly about grey cast iron.

07
(b) State composition, specific properties and applications of White Cast Iron. 07
OR
Q.3 (a) State composition, specific properties and applications of high carbon steels.

07
(b) What is allotropy? Discuss the allotropy of iron. 07

Q.4 (a) Draw TTT diagram for eutectoid steel. Explain it briefly by considering few
cooling rates.
07
(b) Explain induction hardening process with the help of a neat sketch. 07
OR
Q.4 (a) Define heat treatment. Compare annealing and normalizing process. 07
(b) Explain in detail pack carburizing process with the help of a neat sketch. 07

Q.5 (a) Write a short note on copper and its alloys 07
(b) Define corrosion and explain different types of corrosion. 07
OR

Q.5 (a) Explain with a neat sketch procedure followed during Dye Penetrant Test. 07
(b) Explain the criteria for selection of materials for engineering applications. 07

*************
FirstRanker.com - FirstRanker's Choice