Exam Details
| Subject | material science (ee) | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Government Degree College, Kamalpur | |
| Position | ||
| Exam Date | January, 2018 | |
| City, State | tripura, dhalai |
Question Paper
D D4810 Pages: 1
Page 1 of 1
Reg
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018
Course Code: EE206
Course Name: MATERIAL SCIENCE
Max. Marks: 100 Duration: 3 Hours
PART A
Answer all questions, each carries 5 marks Marks
1 What is electrical conductivity? Obtain the expression for electrical conductivity
of a metal.
2 Explain the properties SF6 gas as an insulator.
3 List the factors which affect ageing of insulator.
4 Write short notes on ferrites.
5 What is superconductivity? Give the applications of superconductor.
6 What are the classifications of solar cell? Explain.
7 What is optical microscopy?
8 What are the limitations of optical microscopy? Give one merit of scanning
electron microscopy compared to optical microscopy.
PART B
Answer any two questions, each carries 10 marks
9 Explain Clausis Mosotti relation.
10 Describe the applications of following insulating materials used in
electricalapparatus:
Liquid insulator ii) Gaseous insulators
iii) Organic insulator iv) Inorganic insulator
11 Distinguish between electronic an ionic polarization. How do they depend on
frequency?
PART C
Answer any two questions, each carries 10 marks
12 Explain streamer mechanism of spark.
13 Explain the classification of magnetic materials with example.
14 Explain the properties and application of alloys of iron.
What are the application of vacuum insulation.
PART D
Answer any two questions, each carries 10 marks
15 What is Type-I and Type-II superconductors?
What is atomic absorption spectroscopy?
16 Explain the construction and working of organic solar cell.
17 What is biocompatibility?
What are the properties of nanotubes?
What is photoelectron spectroscopy?
Page 1 of 1
Reg
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018
Course Code: EE206
Course Name: MATERIAL SCIENCE
Max. Marks: 100 Duration: 3 Hours
PART A
Answer all questions, each carries 5 marks Marks
1 What is electrical conductivity? Obtain the expression for electrical conductivity
of a metal.
2 Explain the properties SF6 gas as an insulator.
3 List the factors which affect ageing of insulator.
4 Write short notes on ferrites.
5 What is superconductivity? Give the applications of superconductor.
6 What are the classifications of solar cell? Explain.
7 What is optical microscopy?
8 What are the limitations of optical microscopy? Give one merit of scanning
electron microscopy compared to optical microscopy.
PART B
Answer any two questions, each carries 10 marks
9 Explain Clausis Mosotti relation.
10 Describe the applications of following insulating materials used in
electricalapparatus:
Liquid insulator ii) Gaseous insulators
iii) Organic insulator iv) Inorganic insulator
11 Distinguish between electronic an ionic polarization. How do they depend on
frequency?
PART C
Answer any two questions, each carries 10 marks
12 Explain streamer mechanism of spark.
13 Explain the classification of magnetic materials with example.
14 Explain the properties and application of alloys of iron.
What are the application of vacuum insulation.
PART D
Answer any two questions, each carries 10 marks
15 What is Type-I and Type-II superconductors?
What is atomic absorption spectroscopy?
16 Explain the construction and working of organic solar cell.
17 What is biocompatibility?
What are the properties of nanotubes?
What is photoelectron spectroscopy?
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