Mechanics of Materials & Structures Online Test – Paper 3

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

2. A long vertical member subjected to an axial compressive load is called

3. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

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

5. In a beam where shear force is maximum, the bending moment will be

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

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

8. *The Young's Modulus of elasticity is defined as the ratio of stress & strain within the

9. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio

10. 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

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

12. What is tenacity?

13. How does Young's Modulus vary with an increase in temperature?

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

15. *The slope of an elastic curve at the point of contraflexture

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

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

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

19. The shear center may be defined as

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

21. 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

22. *Dead load of a member is the

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

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

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

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

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

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

29. Which of the following gives Modulus of Rigidity

30. The stress necessary to initiate yielding is considerably

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

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

33. For a column, with both ends fixed, the crippling load will be equal to

34. *Centrifugal force is given by

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

36. The maximum shear stress will always occur at

37. *Which of the following gives Bulk Modulus?

38. *As the elastic limit reaches, tensile strain

39. The impact tests are used to determine

40. A member that is subjected to reversible tensile or compressible stress may fail at a stress lower than the ultimate stress of the material. The property of the metal is called

41. *The shear force in a concrete beam is assumed to act

42. The expression EI(d^4y/dx^4) at any section for a beam is equal to

43. If y is the deflection of the beam, then shear force is

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

45. *Maximum bending moment occurs where

46. Shear strain is defined as

47. A brittle material has

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

49. In a beam, the neutral plane

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