Diploma Engineering materials and heat treatment Question Bank

         CENTRAL INSTITUTE OF PLASTICS ENGINEERING & TECHNOLOGY

                                               Question Bank

1 MARK—QUESTION

2 MARK ---QUESTION

3 MARK --- QUESTION

4/5 MARK ----QUESTION

COURSE      : DPMT 

SEMESTER: IV

SUBJECT    : ENGINEERING MATERIALS AND HEAT TREATMENT

(3 mark  –   questions)

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1. Define a Unit cell with a suitable example

2. How to determine the density of a Unit cell

3. What are the characteristics of a crystal lattice

4. What are the three types of centred unit cells

5. What is meant by Bravis Lattices

6. Draw a BCC structure and find out the number of atoms present in a unit cell

7. What are the characteristics of a FCC unit cell

8. Name 14 crystal lattices

9. Calculate the number of atoms in a FCC unit cell

10. What are the parameters of a unit cell

11. What is meant by coordination number of a unit cell

12. Find out the coordination numbers of BCC and FCC Unit cells

13. What are the differences between Primitive and Centred unit cells? 

14. Name the 7 types of unit cells

15. What is meant by Packing factor

16. Calculate the Packing factor for FCC and BCC crystal structures.

17. What is the relation between Packing factor and Atomic density

18. What is the maximum carbon that can be present in steel? Give explanation 

19. What are the main differences between Steel and Cast iron

20. Write any three classification of steel

21. Write different types of Cast ions 

22. What are the applications of Steel in engineering field

23. What are alloys and hoe the differ from pure metals

24. Name any three alloys of steel with applications

25. What is meant by ferrous metals

26. What are the different types of nonferrous metals? Give a suitable example

27. Write any five applications of nonferrous metals

28. What is meant by nonferrous alloys? Give a suitable example

29. What are the applications of nonferrous alloys

30. Name the pure form of iron at room temperature

31. What changes will occur to ferrite when it is heated to a temperature about 850 degree Celsius

32. Describe any one phase transformation of pure iron

33. What is the effect of heat treatment on pure iron

34. Pure ion is first heated to 750 Degree Celsius and the to 1580 Degree Celsius, What are the phase          transformations occurring to the pure iron in each particular stages

35. What is meant by Binary phase diagram? Give a suitable example

36. What are the different phases present in an Iron Carbon phase diagram

37. What is influence of temperature on Iron carbon phase diagram

38. What is meant by TTT Diagram? Mention different parameters in it

39. With reference to TTT diagram what is the effect of temperature on microstructure of of steel

40. With reference to TTT diagram explain the formation of Pearlite phase from austenite

41. Name different types of microstructures involved in Iron carbon phase diagram

42. What is meant by martensitic transformation?

43. With a neat sketch explain about pearlitic transformation

44. What is meant by Heat treatment?

45. Explain annealing and Normalizing process and its applications

46. Explain hardening and tempering process with its applications

47. What is meant by secondary heat treatment process

48. Name any five advanced heat treatment methods

49. Explain any three mechanical properties of steels

50. Describe any three testing methods used for the determination of mechanical properties in ferrous alloys