Tuesday, January 11, 2022

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

Dr.A.P.J.Abdul Kalam University Old Question Papers

Bachelor of Engineering

Third Semester Main Examination, Dec-2020

Material Science [ES-220]

Branch-Civil

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 (a) Describe the process of blasting.

(b) What is stone quarrying?

Q.2 (a) Explain what is meant by the terms ceramics and clay.

(b) What are the materials used in civil engineering works?

Q.3 (a) How are refractory materials classified?

(b) Explain naturals materials.

Q.4 (a) Discuss low quality and high quality refractory materials.

(b) What is a crystallographic defect?

Q.5 (a) What are the raw materials used for the preparation of sand lime bricks.

(b) Explain stress & strain with diagram.

Q.6 (a) Write a critical note on the concrete blocks.

(b) What is deep & high temperature alloys? (Write 3 differences)

Q.7 (a) Describe the manufacturing of sand lime bricks

(b) Explain cast irons, non-ferrous alloys, steel heat treatment.

Q.8 (a) How is brick earth classified?

(b) What are the tests on bricks? Explain anyone

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