Mechanics of Materials & Structures Online Test – Paper 3

1. Effective length of column fixed at one end and hinged at the other end is

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

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

4. Centrifugal force acts at a curve

5. *Load required to produce unit deflection is called

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

7. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is

8. The moment of inertia of a triangular section b x h about the c-g is

9. What is strain energy?

10. The point of contraflexure occurs in a beam

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

12. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is

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

14. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as

15. According to Hook's law, which one is correct?

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

17. *A member which does not regain its original shape after the load producing deformation is removed, is said to be:

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

19. *If a beam is loaded transversely, the maximum compressive stress develops on

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

21. *"If a rod is simultaneously pulled at both of its ends, it will be a case of:

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

23. 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

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

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

26. *The law "Stress is proportional to strain within certain limits" is formulated by

27. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end

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

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

30. The stress necessary to initiate yielding is considerably

31. The maximum shear stress will always occur at

32. A viscoelastic material

33. *Short column taking maximum load having equal section

34. *If the shear force along a section of a beam is zero, the bending moment at the section is:

35. The ratio of the effective length of a column and the minimum radius of gyration of its cross-sectional area is known as

36. *Thrust is induced in the case of

37. Along the neutral axis of a simply supported beam

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

39. A body having similar properties throughout

40. A brittle material has

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

42. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

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

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

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

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

47. Moment of inertia of a rectangular beam bxd is

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

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

50. *Mathematically, strain may be defined as