Mechanics of Materials & Structures Online Test – Paper 3

1. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

2. *Toughness is

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

4. *Which of the following is dimensionless?

5. The slope of the curve of B.M. diagram at any section will be equal to

6. What is strain energy?

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

8. The shear center in the case of a T-beam section is

9. An isotropic material has

10. The strain energy stored by a member when strained within the elastic limit is known as

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

12. *Strut is a

13. *Young's modulus is the ratio of

14. The shear force on a beam is proportional to

15. *Stress in a beam due to simple bending is

16. A perfectly elastic body is

17. Centrifugal force acts at a curve

18. *The phenomenon of decreased resistance of material due to the reversal of stress is called

19. The maximum number of transverse shear forces possible at one end of an element of a plane frame are

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

21. 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)

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

23. The crippling load for a column with both ends hinged is

24. In a continuous beam, the point where bending moment changes sign is called

25. *The shear force and bending moment are related by

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

27. If the Poisson's ratio of a material is 0.25, the ratio of Modulus of Rigidity to the Young's Modulus is

28. *A beam is said to be loaded in pure bending when

29. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to

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

31. 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

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

33. Shear force diagram for a cantilever carrying a UDL over its whole length is

34. *"A simply supported beam of span L carries a uniformly distributed load W. The maximum bending moment, M is:

35. *Dead load of a member is the

36. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

37. The limit of proportionality depends upon

38. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

39. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

40. A beam fixed at both ends with a central load W in the middle will have zero bending moment

41. *Which of the following sections is the most efficient in carrying bending moments

42. The property of material by which it can be drawn, due to tension, to a smaller section, is called

43. *A cable subjected to U.D.L. over its entire span assumes a shape of

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

45. *Load required to produce unit deflection is called

46. Permanent set is

47. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is

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

49. The value of Poisson's ratio always remains

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