Download JNTU Kakinada B.Tech 2-2 2014 August METALLURGY AND MATERIAL SCIENCE Question Paper

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METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

Answer any FIVE Questions

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All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

1. a) Explain crystallization process in pure metals.
b) What is bonding energy, bond length and atomic radii? Explain them. (7M+8M)

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2. a) Distinguish between interstitial compounds and interstitial solid solutions.
b) What are the conditions that are favourable for extensive solid solubility of one element in
another? Explain them. (8M+7M)

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3. a) What do you understand by the term equilibrium diagram? Explain with an example.
b) What is lever rule? Explain how it is useful. (8M+7M)

4. a) Write the classification of steels.
b) Explain the microstructure, properties and applications of Spheroidal cast iron. (8M+7M)

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5. Explain the following:
i) Cryogenic treatment of alloys
ii) Hardenability (8M+7M)

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6. Explain the structure and properties of copper and its alloys. (15M)

7. a) Write the properties and applications of crystalline ceramics.
b) How are ceramic components formed? Explain. (8M+7M)

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8. a) What factors do influence the final properties of composites?
b) What is a hybrid composite? Mention two important advantages of hybrid composites over
normal fibre composites. (7M+8M)

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Code No: R22035

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II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

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Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

1. a) Explain crystallization process in pure metals.

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b) What is bonding energy, bond length and atomic radii? Explain them. (7M+8M)

2. a) Distinguish between interstitial compounds and interstitial solid solutions.
b) What are the conditions that are favourable for extensive solid solubility of one element in
another? Explain them. (8M+7M)

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3. a) What do you understand by the term equilibrium diagram? Explain with an example.
b) What is lever rule? Explain how it is useful. (8M+7M)

4. a) Write the classification of steels.

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b) Explain the microstructure, properties and applications of Spheroidal cast iron. (8M+7M)

5. Explain the following:
i) Cryogenic treatment of alloys
ii) Hardenability (8M+7M)

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6. Explain the structure and properties of copper and its alloys. (15M)

7. a) Write the properties and applications of crystalline ceramics.
b) How are ceramic components formed? Explain. (8M+7M)

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8. a) What factors do influence the final properties of composites?
b) What is a hybrid composite? Mention two important advantages of hybrid composites over
normal fibre composites. (7M+8M)

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1 of 1

R10
SET - 1

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Code No: R22035

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II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

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Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

1. a) Discuss various types of bonds in solids and explain them.

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b) Explain the effect of grain boundaries on the properties of metals/alloys. (8M+7M)

2. a) Distinguish between alloy and alloy system with suitable examples.
b) Explain Hume Rotherys rules in detail. (8M+7M)

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3. a) Explain the various applications of phase diagrams.
b) Describe peritectic system with an example. (8M+7M)

4. a) Explain the structure and properties of plain carbon steels. (7M+8M)
b) Write a short note on the following:

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i) Hadfield manganese steels
ii) Malleable cast iron

5. a) Normalized steels are stronger than annealed steels. Explain.
b) Explain the effect of alloying elements on Fe-Fe3C system. (8M+7M)

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6. a) Explain the important features of alpha and alpha-beta alloys of titanium.
b) Why do aluminium alloys respond to age hardening? Give some examples. (8M+7M)

7. a) Write the properties and applications of cermets.

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b) Describe two methods for preparing ceramic raw materials for processing. (8M+7M)

8. a) Explain the various methods of component manufacture of composites.
b) What is MMC? Where are they used? Classify the MMCs according to the type of
reinforcement. (8M+7M)

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SET - 2
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Code No: R22035

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II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

--- Content provided by​ FirstRanker.com ---

1. a) Explain crystallization process in pure metals.
b) What is bonding energy, bond length and atomic radii? Explain them. (7M+8M)

2. a) Distinguish between interstitial compounds and interstitial solid solutions.
b) What are the conditions that are favourable for extensive solid solubility of one element in

--- Content provided by‌ FirstRanker.com ---

another? Explain them. (8M+7M)

3. a) What do you understand by the term equilibrium diagram? Explain with an example.
b) What is lever rule? Explain how it is useful. (8M+7M)

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4. a) Write the classification of steels.
b) Explain the microstructure, properties and applications of Spheroidal cast iron. (8M+7M)

5. Explain the following:
i) Cryogenic treatment of alloys

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ii) Hardenability (8M+7M)

6. Explain the structure and properties of copper and its alloys. (15M)

7. a) Write the properties and applications of crystalline ceramics.

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b) How are ceramic components formed? Explain. (8M+7M)

8. a) What factors do influence the final properties of composites?
b) What is a hybrid composite? Mention two important advantages of hybrid composites over
normal fibre composites. (7M+8M)

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1 of 1

R10
SET - 1

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FirstRanker.com
|''|''|||''|'''|||'|
Code No: R22035

--- Content provided by⁠ FirstRanker.com ---

II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by⁠ FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

--- Content provided by⁠ FirstRanker.com ---

1. a) Discuss various types of bonds in solids and explain them.
b) Explain the effect of grain boundaries on the properties of metals/alloys. (8M+7M)

2. a) Distinguish between alloy and alloy system with suitable examples.
b) Explain Hume Rotherys rules in detail. (8M+7M)

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3. a) Explain the various applications of phase diagrams.
b) Describe peritectic system with an example. (8M+7M)

4. a) Explain the structure and properties of plain carbon steels. (7M+8M)

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b) Write a short note on the following:
i) Hadfield manganese steels
ii) Malleable cast iron

5. a) Normalized steels are stronger than annealed steels. Explain.

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b) Explain the effect of alloying elements on Fe-Fe3C system. (8M+7M)

6. a) Explain the important features of alpha and alpha-beta alloys of titanium.
b) Why do aluminium alloys respond to age hardening? Give some examples. (8M+7M)

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7. a) Write the properties and applications of cermets.
b) Describe two methods for preparing ceramic raw materials for processing. (8M+7M)

8. a) Explain the various methods of component manufacture of composites.
b) What is MMC? Where are they used? Classify the MMCs according to the type of

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reinforcement. (8M+7M)

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1 of 1

SET - 2
R10

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FirstRanker.com
|''|''|||''|'''|||'|
Code No: R22035

--- Content provided by‌ FirstRanker.com ---

II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by‌ FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

--- Content provided by FirstRanker.com ---

1. a) Explain why we should study the crystal structure of metals.
b) Discuss various types of crystal imperfections, with the help of neat sketches. (8M+7M)

2. a) Explain types of solid solutions in detail. (7M+8M)

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b) Write a short note on the following:
i) Intermediate alloy phases
ii) Electron compounds

3. a) Explain eutectic system with an example.

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b) Discuss the Gibbs phase rule in detail. (8M+7M)

4. a) Explain the structure, properties and applications of White cast iron.
b) Write a short note on the following: (7M+8M)
i) Tool and die steels

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ii) Low alloy steels

5. a) Explain surface hardening methods in detail.
b) Discuss the effect of alloying elements on hardenability. (8M+7M)

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6. Explain the structure and properties of Aluminium and its alloys. (15M)

7. a) Write the properties and applications of nano materials.
b) Compare the properties of crystalline ceramics and glass ceramics. (8M+7M)

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8. a) Define the term composite and explain what are advanced composites? Give few examples.
b) Explain the following: (7M+8M)
i) C-C composites
ii) Fibre reinforced materials

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1 of 1
SET - 3
R10

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|''|''|||''|'''|||'|
Code No: R22035

--- Content provided by​ FirstRanker.com ---

II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by​ FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

--- Content provided by⁠ FirstRanker.com ---

1. a) Explain crystallization process in pure metals.
b) What is bonding energy, bond length and atomic radii? Explain them. (7M+8M)

2. a) Distinguish between interstitial compounds and interstitial solid solutions.
b) What are the conditions that are favourable for extensive solid solubility of one element in

--- Content provided by​ FirstRanker.com ---

another? Explain them. (8M+7M)

3. a) What do you understand by the term equilibrium diagram? Explain with an example.
b) What is lever rule? Explain how it is useful. (8M+7M)

--- Content provided by⁠ FirstRanker.com ---

4. a) Write the classification of steels.
b) Explain the microstructure, properties and applications of Spheroidal cast iron. (8M+7M)

5. Explain the following:
i) Cryogenic treatment of alloys

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ii) Hardenability (8M+7M)

6. Explain the structure and properties of copper and its alloys. (15M)

7. a) Write the properties and applications of crystalline ceramics.

--- Content provided by​ FirstRanker.com ---

b) How are ceramic components formed? Explain. (8M+7M)

8. a) What factors do influence the final properties of composites?
b) What is a hybrid composite? Mention two important advantages of hybrid composites over
normal fibre composites. (7M+8M)

--- Content provided by​ FirstRanker.com ---

--- Content provided by​ FirstRanker.com ---

1 of 1

R10
SET - 1

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FirstRanker.com
|''|''|||''|'''|||'|
Code No: R22035

--- Content provided by​ FirstRanker.com ---

II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by‍ FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

--- Content provided by‌ FirstRanker.com ---

1. a) Discuss various types of bonds in solids and explain them.
b) Explain the effect of grain boundaries on the properties of metals/alloys. (8M+7M)

2. a) Distinguish between alloy and alloy system with suitable examples.
b) Explain Hume Rotherys rules in detail. (8M+7M)

--- Content provided by‍ FirstRanker.com ---

3. a) Explain the various applications of phase diagrams.
b) Describe peritectic system with an example. (8M+7M)

4. a) Explain the structure and properties of plain carbon steels. (7M+8M)

--- Content provided by​ FirstRanker.com ---

b) Write a short note on the following:
i) Hadfield manganese steels
ii) Malleable cast iron

5. a) Normalized steels are stronger than annealed steels. Explain.

--- Content provided by‌ FirstRanker.com ---

b) Explain the effect of alloying elements on Fe-Fe3C system. (8M+7M)

6. a) Explain the important features of alpha and alpha-beta alloys of titanium.
b) Why do aluminium alloys respond to age hardening? Give some examples. (8M+7M)

--- Content provided by​ FirstRanker.com ---

7. a) Write the properties and applications of cermets.
b) Describe two methods for preparing ceramic raw materials for processing. (8M+7M)

8. a) Explain the various methods of component manufacture of composites.
b) What is MMC? Where are they used? Classify the MMCs according to the type of

--- Content provided by‌ FirstRanker.com ---

reinforcement. (8M+7M)

--- Content provided by FirstRanker.com ---

1 of 1

SET - 2
R10

--- Content provided by‍ FirstRanker.com ---

FirstRanker.com
|''|''|||''|'''|||'|
Code No: R22035

--- Content provided by‌ FirstRanker.com ---

II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by‍ FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

--- Content provided by⁠ FirstRanker.com ---

1. a) Explain why we should study the crystal structure of metals.
b) Discuss various types of crystal imperfections, with the help of neat sketches. (8M+7M)

2. a) Explain types of solid solutions in detail. (7M+8M)

--- Content provided by‍ FirstRanker.com ---

b) Write a short note on the following:
i) Intermediate alloy phases
ii) Electron compounds

3. a) Explain eutectic system with an example.

--- Content provided by⁠ FirstRanker.com ---

b) Discuss the Gibbs phase rule in detail. (8M+7M)

4. a) Explain the structure, properties and applications of White cast iron.
b) Write a short note on the following: (7M+8M)
i) Tool and die steels

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ii) Low alloy steels

5. a) Explain surface hardening methods in detail.
b) Discuss the effect of alloying elements on hardenability. (8M+7M)

--- Content provided by‍ FirstRanker.com ---

6. Explain the structure and properties of Aluminium and its alloys. (15M)

7. a) Write the properties and applications of nano materials.
b) Compare the properties of crystalline ceramics and glass ceramics. (8M+7M)

--- Content provided by⁠ FirstRanker.com ---

8. a) Define the term composite and explain what are advanced composites? Give few examples.
b) Explain the following: (7M+8M)
i) C-C composites
ii) Fibre reinforced materials

--- Content provided by⁠ FirstRanker.com ---

1 of 1
SET - 3
R10

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FirstRanker.com
|''|''|||''|'''|||'|
Code No: R22035

--- Content provided by FirstRanker.com ---

II B. Tech II Semester Regular Examinations, August -2014
METALLURGY AND MATERIAL SCIENCE
(Com. to ME, AME, MM)
Time: 3 hours Max. Marks: 75

--- Content provided by‌ FirstRanker.com ---

Answer any FIVE Questions
All Questions carry Equal Marks
~~~~~~~~~~~~~~~~~~~~~~~~

1. a) Describe the reasons for high thermal and electrical conductivity in metallic bonded solids.

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b) Write the properties of covalent bonded solids. (8M+7M)

2. a) Write short notes on Hume-Rothery?s rules.
b) What is an intermediate alloy phases. Explain in detail. (8M+7M)

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3. Explain the following: (5M+5M+5M)
i) Isomorphous alloy systems
ii) Equilibrium cooling and heating of alloys
iii) Lever rule

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4. a) Explain the difference in microstructure and properties of white and grey cast iron.
b) Compare the properties of plain carbon steels with those of alloy steels. (8M+7M)

5. Explain the following: (8M+7M)
i) Age hardening treatment

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ii) TTT diagrams

6. Discuss the various types of titanium alloys giving their composition, properties and uses.
(15M)
7. a) What is Nano material? Explain its applications.

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b) Write the properties and applications of abrasive materials. (8M+7M)

8. a) Explain the classification of composites in detail. (7M+8M)
b) Write a short on the following:
i) Particle reinforced materials

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ii) Metal matrix composite

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R10

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