Mechanics of Materials & Structures Online Test – Paper 3

1. Which of the following materials will have the highest Young's Modulus?

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

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

4. *Which of the following is dimensionless?

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

6. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

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

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

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

10. What is tenacity?

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

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

13. The beam strongest in flexure will have the maximum

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

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

16. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

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

18. The number of reaction components at a hinge on rollers support is

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

20. *Normal strain is defined as

21. The difference between SF values at any two sections will be equal to

22. *Maximum bending moment occurs where

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

24. *The rate of change of shear force is called

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

26. In a fixed beam, the points of contraflexure,

27. *The velocity of a moving body is:

28. The moment of inertia of a triangular section b x h about the base is

29. The impact tests are used to determine

30. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

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

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

33. The point of contraflexure occurs in a beam

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

35. *The compression test is commonly used for testing

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

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

38. *Toughness is

39. *Stress may be defined as force

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

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

42. *Dead load of a member is the

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

44. The square root of the ratio of moment of inertia and cross-section area of the member is known as

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

46. 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

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

48. Along the neutral axis of a simply supported beam

49. The section modulus of a rectangular section is proportional to

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