Mechanics of Materials & Structures Online Test – Paper 3

1. The maximum deflection of a beam occurs at

2. Moment of inertia of a rectangular beam bxd is

3. Which of the following gives Poisson's ratio?

4. *Tensile internal force tends to:

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

6. *The unit failure stress is taken as :

7. *Dead load of a member is the

8. A column that fails primarily due to buckling is known as

9. The brittle materials have low toughness because they

10. *Mathematically, strain may be defined as

11. The rate of change of shear force is called

12. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

13. The slope of the curve of S.F. diagram at any section will be equal to

14. *Determinate beam can be analyzed with the help of

15. *The relation between the radius of curvature (R), bending moment (M), and flexural rigidity (EI) is given by

16. What is strain energy?

17. *Maximum bending moment occurs where

18. The stress in the member subjected to a force is

19. The beam strongest in flexure will have the maximum

20. The crippling load for column of length 1, with one end fixed and the other end free is

21. *A beam is said to be of uniform strength if

22. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

23. *The compression test is commonly used for testing

24. A beam of uniform strength will have at every cross-section the same

25. A brittle material will

26. *Stress may be defined as force

27. In a beam, the neutral plane

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

29. *Centrifugal force is given by

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

31. The section modulus of a circular section about an axis through its C.G. is

32. Buckling load for a given column depends upon

33. *The velocity of a moving body is:

34. The variation of the bending moment in the segment of a beam where no external load is present is

35. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

36. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

37. If a material has identical properties in all directions, it is said to be

38. In a simply supported beam with span, L subjected to a point load, W at the center. Find the maximum bending moment induced in the beam

39. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is

40. Find the maximum SF 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

41. A body having similar properties throughout

42. *BM in a cantilever beam having a span of 1.8m and a uniformly distributed load of 4kg/m

43. The effective length of a column if both ends are hinged

44. *Hooke's law holds good up to:

45. What is tenacity?

46. A member that is subjected to reversible tensile or compressible stress may fail at a stress lower than the ultimate stress of the material. The property of the metal is called

47. *The centre of gravity of a triangle is at the point where three

48. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

49. A viscoelastic material

50. If the elasticity of the material is zero then the material is said to be