Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. The maximum shear stress will always occur at

4. *The S.I. unit of the modulus of elasticity is

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

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

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

8. *The property of a material by which a body returns to its original shape after removal of the force is called

9. Find the bending moment at the center and also find the maximum bending moment

10. *Load required to produce unit deflection is called

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

12. *Tensile internal force tends to:

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

14. 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

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

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

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

18. Load carrying capacity of fixed beam is

19. The limit of proportionality depends upon

20. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

21. The shear center may be defined as

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

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

24. Moment of inertia of a rectangular beam bxd is

25. *Compression members always tend to buckle in the direction of the

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

27. *Toughness is

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

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

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

31. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are

32. The moment of inertia of an area will be least with respect to

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

34. The ratio of moment of inertia of a square section to that of a circular section for a given depth is given by

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

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

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

38. Which of the following gives Modulus of Rigidity

39. A viscoelastic material

40. The actual breaking stress of a ductile material from a tension test will be

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

42. *The unit failure stress is taken as :

43. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

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

45. *Normal strain is defined as

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

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

48. The impact tests are used to determine

49. *Which of the following gives Bulk Modulus?

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