MME 201 CBT PRACTICE TEST

1. Malleability of a material can be defined as

2. A reversible change in the atomic structure of steel with corresponding change in the properties is known as

3. Calcium is an isobar of Argon. They differ in:

4. Sulphur in pig iron tends to make it.

5. In compression, a prism of brittle material will break

6. Which of the following can be the tensile strength of aluminum oxide?

7. Isotropic materials are those which have the same

8. Which of the following is correct?

9. The percentage of carbon in pig iron varies from

10. Silicon carbide is ductile.

11. Ceramics make excellent refractory materials. A material is said to be refractory if it:

12. In malleable iron, carbon is present in the form of

13. Ceramics are brittle.

14. Paramagnetic alpha iron changes to gamma iron at

15. Ductility of a material can be defined as

16. A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as

17. Iron is

18. Wrought iron is

19. Which of the following is true for polymers?

20. Steels mainly contain iron and carbon. Under which of the following categories do they belong?

21. The ability of a material to resist softening at high temperature is known as

22. Cast iron is characterized by minimum of following %age of carbon

23. Various isotopes of a given element have same:

24. The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to -150°C will

25. The percentage of carbon in grey iron cast' ings usually varies between

26. The number of electrons in 1 cm3 of metal would be of the order of

27. GFRP is an important composite. It stands for

28. The elastic stress strain behaviour of rubber is

29. Super conduction by metals is observed in the temperature range of

30. Chilled cast iron has

31. White cast iron contains carbon in the form of

32. Which of the point is there in a stress strain curve for a ceramic?

33. The unique property of cast iron is, its high

34. Pick up wrong statement about wrought iron

35. Ferromagnetic alpha iron exists in temperature range of

36. The crystal of alpha iron is

37. The ultimate tensile strength of low carbon steel by working at a high strain rate will

38. The metallic structure of mild steel is
A.
B.
C.
D

39. In grey cast iron, carbon is present in the form of

40. For the allotropic forms of iron, the points of arrest are