Mechanics of Materials & Structures Online Test – Paper 3

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

2. The maximum deflection of a beam occurs at

3. *Which of the following gives Bulk Modulus?

4. *Young's modulus is the ratio of

5. The maximum bending moment caused by a large number of equally spaced identical loads on a simply supported beam is (W = wL)

6. Point of contraflexure is a point where bending moment

7. *The product EI is called

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

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

10. *Strut is a

11. The c.g. of a semi-circular arc is

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

13. A beam is supported over three rollers lying in the same plane. The beam is stable for

14. In rectangular column having cross section b X h, the core is

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

16. The diagram showing the variation of BM along the span of the beam is called

17. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero

18. The maximum shear stress will always occur at

19. The value of buckling load is ... than the crushing load in the case of a long column

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

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

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

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

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

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

26. The brittle materials have low toughness because they

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

28. The property of material by which it can be beaten or rolled into plates is called

29. *A diagram that shows the variation of axial force

30. *The maximum deflection of a simply supported beam subjected to a concentrated load (W) at the midpoint is

31. Normally, the numerical value of Poisson's is

32. *Fatigue is the failure of a material under:

33. *Thrust is induced in the case of

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

35. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

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

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

38. Strain energy of a member may be defined as work done on it

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

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

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

42. *The inclined member carrying compressive load in the case of frames and trusses is

43. *As per the elastic theory of design, the factor of safety is the ratio of

44. 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

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

46. A cantilever beam is the one which is supported with

47. Which of the following gives Modulus of Rigidity

48. *Normal strain is defined as

49. The number of reaction components at a hinged end of a general loading is

50. Find the maximum SF induced in S.S beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m