Mechanics of Materials & Structures Online Test – Paper 3

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

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

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

4. Which of the following gives Modulus of Rigidity

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

6. 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

7. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :

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

9. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

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

11. *A point where SF is zero, BM is

12. The maximum bending moment caused on a simply supported beam subjected to two equal concentrated loads (W/2) spaced at an equal distance (L/3) over the span is

13. An isotropic material has

14. The difference between BM values at any two sections will be equal to

15. A perfectly elastic body is

16. *The compression test is commonly used for testing

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

18. Maximum bending moment occurs at the center if the simply supported beam is subjected to

19. A brittle material has

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

21. Along the neutral axis of a simply supported beam

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

23. *Strut is a

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

25. *Which of the following gives Bulk Modulus?

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

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

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

29. *Centrifugal force is given by

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

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

32. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

33. The shear force on a beam is proportional to

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

35. *The simple bending equation is

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

37. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is

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

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

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

41. 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

42. For a column of given material, the Rankine's constant depends on

43. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

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

45. *The product EI is called

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

47. The relation between deflection (y) and bending moment (M) is

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

49. *A member with a cross section of a mm^2 is subjected to a force of P N. It is L mm long and of Young's Modulus, E N/mm^2. The strain will be

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