Mechanics of Materials & Structures Online Test – Paper 3

1. At the point of application of concentrated load on a beam, there is

2. *Young's modulus is the ratio of

3. *Bending moment diagram of a simply supported beam having a uniformly distributed load is

4. A section of a beam is said to be in pure bending if it is subjected to

5. *Proof resilience is the greatest stored energy at

6. The equivalent length of column fixed at one end and free at the other end is

7. *Which of the following is dimensionless?

8. Find the maximum BM induced in a cantilever beam subjected to a point load of 10 KN and a length of the beam is 10 m. The load is located at a distance of 3 m from the free end:-

9. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

10. A Prismatic bar when subjected to pure bending assumes the shape of

11. The shear force on a beam is proportional to

12. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

13. *Toughness is

14. *The velocity of a moving body is:

15. The number of points of contraflexture in a simply supported beam carrying udl is

16. Centrifugal force acts away from the center of the path while centripetal force

17. The moment of inertia of a triangular section b x h about the c-g is

18. Point of contraflexure is a point where bending moment

19. In the case of an H section, the maximum shear stress will occur at

20. The variation of the bending moment in the portion of the beam carrying a linearly varying load is

21. *The maximum bending moment caused by a moving load on a simply supported beam is

22. In an I section, almost all the shear force is taken by

23. *The ratio of the largest load in a test to the original cross-sectional area of the piece is called:

24. A cantilever beam is one which is:

25. According to Hook's law, which one is correct?

26. The stress necessary to initiate yielding is considerably

27. *The unit failure stress is taken as :

28. In a beam where shear force is maximum, the bending moment will be

29. What is strain energy?

30. *Dead load of a member is the

31. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called

32. The difference between SF values at any two sections will be equal to

33. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

34. The maximum deflection of a beam occurs at

35. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter

36. For a column, with both ends fixed, the crippling load will be equal to

37. The shear force on a beam and the displacement are related by

38. The value of Poisson's ratio always remains

39. An isotropic material has

40. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

41. The stress due to temperature change in a member depends on

42. The radius of gyration of a rectangular section is not proportional to

43. Buckling load for a given column depends upon

44. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

45. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

46. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by:

47. The effective length of a column effectively held in position and restrained in direction at one end will be

48. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called

49. How does Young's Modulus vary with an increase in temperature?

50. A column that fails primarily due to direct stress is called