Mechanics of Materials & Structures Online Test – Paper 3

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

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

3. *The velocity of a moving body is:

4. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

5. If magnitude and direction of a load does not change with respect to time, this type of load is called

6. Which of the following gives Modulus of Rigidity

7. *The variation of the bending moment in the segment of a beam where the load is uniformly distributed is

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

9. The radius of gyration of a rectangular section is not proportional to

10. *A cable subjected to U.D.L. over its entire span assumes a shape of

11. The rate of change of shear force is called

12. The shear center may be defined as

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

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

15. Bending moment diagram of simply supported beam with a point load at the centre of the span is

16. The maximum deflection of a beam occurs at

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

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

19. A simply supported beam of length I carries a load varying uniformly from zero at the left end to the maximum at the right end. The maximum bending moment occurs at a distance of

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

21. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

22. *Maximum bending moment occurs where

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

24. 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

25. 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

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

27. *Normal strain is defined as

28. The point of contraflexure occurs in a beam

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

30. The crippling load for a column with both ends hinged is

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

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

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

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

35. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30°

36. *The product EI is called

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

38. *Which of the following gives Bulk Modulus?

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

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

41. *The unit failure stress is taken as :

42. In the case of an H section, the maximum shear stress will occur at

43. *The phenomenon of decreased resistance of material due to the reversal of stress is called

44. Moment of inertia of a rectangular beam bxd is

45. The maximum bending moment in a simply supported beam loaded with a UDL of w/m having span l is

46. A body having similar properties throughout

47. Longitudinal cracks observed in timber beams are due to

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

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

50. The strain energy stored by a member when strained within the elastic limit is known as