Mechanics of Materials & Structures Online Test – Paper 3

1. The diagram showing the variation of axial load along the span is called

2. *The ratio of change in volume to the original volume is called:

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

4. Which one is correct if the deflection of a beam is y

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

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

7. The number of reaction components at a hinge on rollers support is

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

9. The zone between the elastic limit and proportional limit on the elastic curve of an elastic material is known as

10. *The total time of collision and restitution of two bodies is called

11. *As the elastic limit reaches, tensile strain

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

13. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes

14. A cantilever beam is one which is:

15. The square root of the ratio of moment of inertia and cross-section area of the member is known as

16. Moment of inertia of a rectangular beam bxd is

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

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

19. *Mathematically, strain may be defined as

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

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

22. *Which of the following gives Bulk Modulus?

23. Load carrying capacity of fixed beam is

24. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

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

26. *The tension in a cable supporting a lift

27. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

28. *The compression test is commonly used for testing

29. *The unit failure stress is taken as :

30. A brittle material has

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

32. *The simple bending equation is

33. The bending moment in a cable carrying a system of loads will be

34. Buckling load for a given column depends upon

35. The value of Poisson's ratio always remains

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

37. An isotropic material has

38. The maximum deflection of a beam occurs at

39. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

40. Bending moment diagram of simply supported beam with a point load at the centre of the span is

41. The brittle materials have low toughness because they

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

43. The bending moment acting on the plane of an element will cause the following type of stress on the plane

44. *Young's modulus is the ratio of

45. The algebraic sum of the shear flow of a section in any direction must be equal to

46. Which of the following is a relatively ductile material?

47. *Strut is a

48. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m

49. The difference in ordinate of the shear force between any two sections is equal to the area under

50. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at