JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech I Year ENGINEERING MATERIALS Previous Question Paper (September - 2023 - R22)

B.Tech | I Year | II Semester | R22 | September - 2023

Answer PaperPaper Code: 182AJMaximum Marks: 60Time: 3 Hours

Note: This question paper contains two parts A and B. Part- A for 10 marks, Part - B for 50 marks. Part-A is a compulsory question. Part-B consists of ten questions (numbered from 2 to 11) carrying 10 marks each. From each unit, there are two questions and the student should answer one of them.

Part A

1
Answer all sub-questions:
10 marks
a
What is Ashby chart?
1 marks

Answer

An Ashby chart is a scatter plot used in materials science to compare the properties of various materials, such as Young's modulus versus density, to assist in optimal material selection for engineering design.
b
What is malleability?
1 marks

Answer

Malleability is the mechanical property of a material that allows it to be deformed under compressive stress into thin sheets without fracturing or cracking.
c
Define cast iron.
1 marks

Answer

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d
What are the applications of HSS?
1 marks

Answer

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e
Define composites.
1 marks

Answer

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f
What are the functions of matrix in composites?
1 marks

Answer

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g
Define ceramics.
1 marks

Answer

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h
What is the classification of ceramic materials?
1 marks

Answer

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i
Define nanomaterial.
1 marks

Answer

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j
What are the properties of nano materials?
1 marks

Answer

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Part B

2
Explain the classification of engineering materials and describe the importance of any two of them in detail in engineering applications.
10 marks

Answer

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OR
3
Explain the Stress–Strain Behavior of ductile and brittle materials with the help of a diagram.
10 marks

Answer

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4
Explain the composition, properties and applications of grey cast iron.
10 marks

Answer

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OR
5
Explain the composition, properties and applications of few important titanium alloys.
10 marks

Answer

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6
Explain the filament winding process with suitable sketch and its applications.
10 marks

Answer

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OR
7
Explain the classification of composites based on matrix and reinforcement with suitable examples.
10 marks

Answer

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8
Explain any two ceramic fabrication techniques with neat sketches.
10 marks

Answer

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OR
9
Explain any two processing methods of polymers with neat sketches.
10 marks

Answer

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10
Explain the properties and applications of bio materials.
10 marks

Answer

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OR
11
Explain the properties and applications of few semiconductor nanomaterials.
10 marks

Answer

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About this paper

This page contains the question paper of ENGINEERING MATERIALS from JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD for B.Tech AE I Year II Semester, September - 2023, R22.

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