Thursday, January 13, 2022

Dr.A.P.J.Abdul Kalam University BE - ME III SEM Material Science [ES-220] Dec - 2020 Question Paper

Dr.A.P.J.Abdul Kalam University Previous Year Question Paper

Bachelor of Engineering

Third Semester Main Examination, Dec-2020

Material Science [ES-220]

Branch-ME

Time: 3:00 Hrs Max Marks 70

Note : (i) Attempt any five questions. All question carry equal marks.

(ii) Answer should be precise & to be point only.

(iii) Assume suitable data if necessary & state them clearly

Q.1 Differentiate metals and nonmetals in terms of their properties and uses?

Q.2 What is atomic packing factor? Calculate the atomic packing factor of simple cubic, BCC and FCC

crystal.

Q.3 Explain the concepts of lattice, basis and crystal structure? How are they related?

Q.4 What are defects? Discuss point and line defects in crystal with neat sketch.

Q.5 Define cold working and outline the change of properties due to cold working. Enlist its advantages

and disadvantages of cold working?

Q.6 Describe the working of Iron carbon diagram with its advantages and limitations?

Q.7 Explain the following heat treatment process:-

(i) Normalizing (ii) Annealing

(iii) Spherodizing (iv) Tempering

Q.8 Discuss about the toxic and oxidizer materials also explain their classification and hazards?

Attachment & Scanned Copies:

Shiva

B.E Civil Engineer Graduated from Government College of Engineering Tirunelveli in the year 2016. She has developed this website for the welfare of students community not only for students under Anna University Chennai, but for all universities located in India. That's why her website is named as www.IndianUniversityQuestionPapers.com . If you don't find any study materials that you are looking for, you may intimate her through contact page of this website to know her so that it will be useful for providing them as early as possible. You can also share your own study materials and it can be published in this website after verification and reviewing. Thank you!