Exam Details
| Subject | metallurgy and material science | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Institute Of Aeronautical Engineering | |
| Position | ||
| Exam Date | December, 2017 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No Question Paper Code: AME005
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
B.Tech III Semester End Examinations (Regular) December, 2017
Regulation: IARE R16
MATALLURGY AND MATERIAL SCIENCE
(Mechanical Engineering)
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Draw a neat sketch of Body Centered Cubic Structure and Calculate its Atomic Packing Factor.
Discuss the effect of grain size on properties of metals and alloys.
2. Describe the necessity of alloying for getting various metal alloys. Also discuss the effect of
various alloying elements on the properties of the steel.
Write a short notes on intermediate alloy phases.
UNIT II
3. Draw and explain the cooling curves for
i. Pure Metal
ii. Eutectic Type Alloys
From the given data below for Bi-Cd system, plot the equilibrium diagram to scale and find
i. Amount of eutectic in 20 Cd alloy
ii. Free cadmium in 70 Cd alloy
Given Melting temperature of Bi =271C
Melting temperature of Cd 321C
Eutectic temperature 144C
Eutectic composition 39.7% Cd
4. State and explain the lever rule for determination of composition in the phase diagram with
examples.
Explain with neat sketch eutectoid phase diagram with examples.
UNIT III
5. Discuss the objectives of the annealing heat treatment.
Draw a neat sketch of Iron-carbon equilibrium diagram and label the areas. Describe the mode
of solidification, solid state reactions and microstructure at room temperature of a slowly cooled
steel of carbon content 1.2%.
Page 1 of 2
6. Define Hardenability? Describe the Jominy end-quench test of determining hardenability.
Distinguish clearly between Austempering and Martempering treatment.
UNIT IV
7. Discuss the composition, properties and uses of brasses.
Compare gray cast iron and SG iron with respect to composition, structure, properties and uses.
8. Explain the composition, properties and applications of Al-Cu alloy.
Describe the types, properties and uses of titanium and its alloys.
UNIT V
9. Describe the classification of ceramic materials.
Discuss the effect of the following factors on mechanical behaviour of ceramic materials.
i. Grain size and shape
ii. Purity
iii. Porosity
10. What are composites? Describe briefly the classifications of composite materials.
Explain the properties, applications of Fibre reinforced plastics.
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
B.Tech III Semester End Examinations (Regular) December, 2017
Regulation: IARE R16
MATALLURGY AND MATERIAL SCIENCE
(Mechanical Engineering)
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Draw a neat sketch of Body Centered Cubic Structure and Calculate its Atomic Packing Factor.
Discuss the effect of grain size on properties of metals and alloys.
2. Describe the necessity of alloying for getting various metal alloys. Also discuss the effect of
various alloying elements on the properties of the steel.
Write a short notes on intermediate alloy phases.
UNIT II
3. Draw and explain the cooling curves for
i. Pure Metal
ii. Eutectic Type Alloys
From the given data below for Bi-Cd system, plot the equilibrium diagram to scale and find
i. Amount of eutectic in 20 Cd alloy
ii. Free cadmium in 70 Cd alloy
Given Melting temperature of Bi =271C
Melting temperature of Cd 321C
Eutectic temperature 144C
Eutectic composition 39.7% Cd
4. State and explain the lever rule for determination of composition in the phase diagram with
examples.
Explain with neat sketch eutectoid phase diagram with examples.
UNIT III
5. Discuss the objectives of the annealing heat treatment.
Draw a neat sketch of Iron-carbon equilibrium diagram and label the areas. Describe the mode
of solidification, solid state reactions and microstructure at room temperature of a slowly cooled
steel of carbon content 1.2%.
Page 1 of 2
6. Define Hardenability? Describe the Jominy end-quench test of determining hardenability.
Distinguish clearly between Austempering and Martempering treatment.
UNIT IV
7. Discuss the composition, properties and uses of brasses.
Compare gray cast iron and SG iron with respect to composition, structure, properties and uses.
8. Explain the composition, properties and applications of Al-Cu alloy.
Describe the types, properties and uses of titanium and its alloys.
UNIT V
9. Describe the classification of ceramic materials.
Discuss the effect of the following factors on mechanical behaviour of ceramic materials.
i. Grain size and shape
ii. Purity
iii. Porosity
10. What are composites? Describe briefly the classifications of composite materials.
Explain the properties, applications of Fibre reinforced plastics.
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