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SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 1
KINGS
COLLEGE OF ENGINEERING
DEPARTMENT OF MECHANICAL ENGINEERING
SUB. NAME: ENGINEERING MATERIALS YEAR/SEM: II/IV
AND METALLURGY
QUESTION BANK
UNIT-1
(CONSTITUTION OF ALLOYS AND PHASE DIAGRAMS)
PART-A (2 Marks)
1. Define solid solution.
2. Name the types of solid solution.
3. State the factors governing substitution solubility.
4. Name the classification of intermediate phase.
5. Explain Gibbs phase rule
6. Draw and explain unary phase diagram
7. Draw and explain classification of binary phase diagram
8. State the application of phase diagram
9. Draw various points in Iron – Carbide equilibrium diagram
10. State phases in iron-carbide diagram
PART-B (16Marks)
1. Explain various points in iron – carbide equilibrium diagram
2. State and explain phases in iron-carbide diagram
3. Name and explain the constitutes in steels
4. Draw the microstructure of plain carbon steel
5. Draw the microstructure of plain carbon steel
6. Draw the microstructure of gray cast iron
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 2
UNIT-II
(HEAT TREATMENT)
PART-A (2 Marks)
1. Define heat treatment
2. State the objectives of heat treatment
3. Explain heat treatment process
4. Define critical cooling rate
5. Define hardenability
6. What you meant by tempering
7. What you mean by normalizing?
8. What is age and air hardening
9. What are the stages of tempering process
10. What is back carburizing process
PART-B (16Marks)
1. Explain full annealing process
2. Explain stress relief annealing process
3. Differentiate between annealing and normalizing
4. Explain the procedure of performing hardening
5. Explain age and air hardening
6. Explain the stages of tempering process
7. Explain back carburizing process
8. Explain flam hardening with neat diagram
9. Explain induction hardening with neat diagram
10. Draw and explain salient points of isothermal transformation diagram
11. Draw and explain various points in TTT diagram
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 3
UNIT-III
(MECHANICAL PROPERITES AND TESTING)
PART-A (2 Marks)
1. What are the types of mechanical properties?
2. Define the term elasticity
3. Define a) Hardness b) Plasticity c) Ductility
4. Define a) Brittleness b) Toughness c) Stiffness
5. Differentiate between toughness and resilience
6. Define the term creep
7. What is the importance of creep?
8. What are some important types of strength?
9. Define the terms a) Elastic strength, b) Plastic strength
10. Define tensile strength and compressive strength
11. Define the terms shear strength, torsional strength
12. What are types of technological properties?
13. Differentiate between malleability and machinablity.
14. Differentiate between weldablity and castablity.
15. What are the common metals have malleability?
16. What are the factors affecting machinability?
17. What are the some common metals have weldablity?
18. What are the various factors affecting formability?
19. Define the term castablity.
20. What are the factors affecting mechanical properties of a metal?
21. What is meant by plastic deformation
22. Define the term slip
23. Describe mechanism of slip
24. Define twinning
25. What are types of twinning?
26. Describe mechanism of twinning?
27. Differentiate between slip and twinning
28. Write down the classification of imperfections
29. Define point defects
30. Define vacancies.
31. What is meant by Frenkel defect?
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 4
32. What is meant by Schottky defect?
33. Define electronic defects
34. Define the term line defects
35. What the types of dislocation and explain briefly?
36. Distinguish between edge dislocation and screw dislocation
37. Define the term plane defects
38. What are types of stacking fault?
39. Define the term tilt boundary
40. Define volume defects
41. What is meant by fracture?
42. What are the types of fracture?
43. What are the two main reasons for ductile fracture is preferred over brittle fracture?
44. Define cup and cone fracture.
45. Differentiate between ductile and brittle fracture
46. Define the term fatigue
47. What are the stress cycles for fatigue testing?
48. What factors affect the fatigue failure of a structural part?
49. What is the use of SN curve?
50. What are the factors affecting fatigue life?
51. What are the factors affecting creep?
52. In what important ways does the Rockwell hardness test differ from Brinell test?
53. Define hardness test.
54. Name any three important mechanical tests which will give valuable information about
metals and alloys
PART-B ( 16 Marks)
1. Explain with neat sketch of Rockwell hardness test
2. Explain in details of Knoop micro hardness test.
3. Explain with neat sketch of impact test
4. Explain with neat sketch of grain boundaries
5. Explain with neat sketch of shear test.
6. Explain with neat sketch of screw dislocation
7. Explain crystal defects or crystal imperfections
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 5
8. Explain with neat sketch of brittle fracture
9. Explain with simple sketch of shearing fracture
10. Explain with simple sketch of mechanism of creep
11. Explain the term creep fracture
12. Explain with neat sketch of fracture toughness
13. Describe briefly with neat sketch of Griffith theory
14. Describe the equipment necessary for fatigue testing
15. What is creep? Give some examples of equipment in which creep is likely to be encountered.
16. What are types of creep? Explain in detail
17. Describe how tensile test is carried out in the laboratory?
18. Distinguish between Brinell hardness test and Vickers hardness test
19. What are the applications of hardness test?
20. Differentiate between Izod and Charpy test
UNIT-IV
(FERROUS AND NON FERROUS METALS)
PART-A (2 Marks)
1. How ferrous materials are classified
2. State the manufacturing method of steel
3. What are classifications of steel?
4. Name some ferrous materials
5. Explain big iron production process
6. Wright down the properties of wrought iron
7. Brief about effect of impurities on cast iron
8. Write down the composition of spheroidal cast iron
9. Name some non- ferrous metals
10. Name some magnesium alloys
11. State the properties of Tin
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 6
PART-B (16Marks)
1. Explain aluminum manufacturing process
2. Explain monal metal
3. Name some Titanium alloys
4. Explain precipating hardening process
5. State the requirements of bearing
6. Name and explain various bearing materials used production of bearing
7. Explain HSLA steels
8. Explain maraging process
UNIT-V
(NON-METALLIC MATERIALS)
PART-A (2 Marks)
1. Define the term polymer
2. What are the characteristics of polymer
3. Define the term syndiotatic and atactic polymers
4. Explain elastomer
5. What is meat by polymerization
6. What are some naturally occurring non-metallic materials and have been used for engineering
application
7. What is primary of atomic bonding within polymers
8. What is degree of polymerization
9. What does mean why polymers “Crystallizes”
10. What are some of the ways that a thermoplastic polymer can be made stronger?
11. Why the thermosetting characteristically brittle?
12. What are technique of copolymerization
13. What are the common types of plastics
14. Describe poly ethylene
15. Write down the properties of poly ethylene
16. Write down the application of poly ethylene
17. Polyethylene are dues for house hold goods, why is this so?
18. Describe polystyrene
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 7
19. What some properties and application of polystyrene
20. What do the term polyvinyl chloride
21. Why PVC has preferred
22. Write down the properties application of PVC
23. What are the properties of polycarbonate
24. What are application of polycarbonate
25. What is the polyamide
26. What is an acrylonytryl butadiene styrene
27. Why ABS is preferred engineering application
28. What are some limiting properties and application of ABS
29. What is an polyamide
30. Why plenitude is preferred in industrial high performance thermo plastic
31. What are some industrial use of polyamides as laminations
32. What is polyamide- imides
33. What is an poliphenyline oxide
34. What is poliphenyline sulphide
35. What are the purpose of uses in peek
36. What is poltytetra ethylene tefflon
37. What is an urea formaldehyde
38. What is meant by phenyl pharmoldihide
39. What is the common name given for ceramic material in the non-crystalline or amorphous
state
40. Why are crystal structure of ceramics frequently more complex than those observed for
metals
41. What is the dominant properties of refractory ceramics
42. What are the some important application of ceramics
43. What are some specific materials are classified as structural ceramics
44. What are some common types ceramics
45. What are dominant properties of ceramic abrasives
46. Why do most ceramic materials fails to posses their theoretically high tensile strength
47. What is the cermet and concrete
48. What are two basic classes of ceramic material and does the processing differ
49. What are glass ceramics?
PART-B ( 16 Marks)
SUB. NAME: ENGINEERING MATERIALS AND METALLURGY
KINGS COLLEGE OF ENGINEERING 8
1. Differentiate between thermoplastic and thermo- setting plastic
2. Describe and differenciates addition polymerization and condensation polymerization
3. Describe the term polyphylene terophthalate
4. Describe polypropylene and Write the properties application of poly propylene
5. What are some outstanding properties of ceramic materials?
6. Describe the term poletherether ketone
7. What are some special heat treatment operation performed on glass products?
8. Describe about abrasives
9. How might plastic be defined from the view points of chemistry, structure, fabrication and
processing?