Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 4th Semester (Fourth Semester) 2016-17 CH404 Material Sceince Question Paper
B.TECH.
THEORY EXAMINATION (SEM?IV) 2016-17
MATERIAL SCEINCE
T ime : 3 Hours Max. Marks : 100
Note .' Be precise in your answer. In case ofnumericalproblem assume data wherever not provided.
SECTION ? A
1. Explain the following: 10 x 2 = 20
(a) What is solid solution?
(b) Define unit cell and space lattice.
(c) Write the applications of aluminum and its alloys.
(d) Define the concept of magnetism.
(e) Write is Superconductivity?
(1) What are the different types of lattices?
(g) Explain atomic mass and atomic number.
(h) What is phase in metals?
(i) What is the importance of alloy in engineering
(j) What do you mean by atomic model?
SECTION ? B
2. Attempt any ?ve of the following questions: 5 x 10 = 50
(a) Describe the various polymerization techniques. What are the importance of Bulk and
Interfacial Polymerization?
(b) Explain the following :
(i) Quenching
(ii) Passion ratio
(iii) Plastic deformation
(c) Explain various types of carbon steels with their properties.
(d) Describe the investment casting process also discuss its merit and demerit and
limitation.
(e) Enlist the various cold and hot working processes. Compare hot working and cold
working process. Also write advantage and disadvantage of each.
(1) List the different types of defects in solids. Explain them with neat sketch.
(g) What is facture? Explain the causes of fracture in metal?
(h) Compare the properties of crystalline ceramics and glass ceramics.
SECTION ? C
Attempt any two of the following questions: 2 x 15 = 30
3 What are the Smart materials? Describe optical fiber and its applications with suitable
examples.
4 With the help of a neat diagram explain the working principle of cupola also write its
limitations.
5 Explain the terms pattern and Pattern allowances. What are the different types of
allowance provided when making a pattern? Explain each in brief.
This post was last modified on 29 January 2020