MME 201 CBT PRACTICE TEST

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

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

3. What is shape of a stress strain curve for ceramics?

4. Pick up wrong statement about wrought iron

5. Which of the following is correct?

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

7. Various isotopes of a given element have same:

8. Wrought iron is

9. Which of the following test are done to find out the mechanical behavior of ceramics?

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

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

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

13. Pig iron is the name given to

14. The elastic stress strain behaviour of rubber is

15. Ferromagnetic alpha iron exists in temperature range of

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

17. Mild steel belongs to the following category

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

19. Sulphur in pig iron tends to make it.

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

21. The percentage of carbon in pig iron varies from

22. Which of the following cannot be used as bio-materials?

23. GFRP is an important composite. It stands for

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

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

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

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

28. White cast iron contains carbon in the form of

29. Ceramics are brittle.

30. Slow plastic deformation of metals under a constant stress is known as

31. Which of the following is true for polymers?

32. Iron is

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

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

35. Silicon carbide is ductile.

36. Ductility of a material can be defined as

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

38. Malleability of a material can be defined as

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

40. The crystal of alpha iron is