Mechanics of Materials & Structures Online Test – Paper 3

1. *The critical bending moment caused in a fixed end beam loaded with a uniformly distributed load (W = wL) throughout is

2. *Which of the following gives Modulus of Elasticity

3. *Centrifugal force is given by

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

5. Moment of inertia of a rectangular beam bxd is

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

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

8. A cantilever beam is one which is:

9. The brittle materials have low toughness because they

10. *Determinate beam can be analyzed with the help of

11. The beam strongest in flexure will have the maximum

12. *The maximum bending moment in a simply supported beam UDL is applied

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

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

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

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

17. The limit of proportionality depends upon

18. In an I section, almost all the shear force is taken by

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

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

21. *Young's modulus is the ratio of

22. *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

23. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

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

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

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

27. Which of the following gives Poisson's ratio?

28. *Compression members always tend to buckle in the direction of the

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

30. If the length of a simply supported beam carrying a concentrated load at the center is doubled, the deflection at the center will become

31. Which of the following is a relatively ductile material?

32. *The velocity of a moving body is:

33. *Which of the following is dimensionless?

34. *The unit failure stress is taken as :

35. Which of the following gives Modulus of Rigidity

36. *Which of the following gives Bulk Modulus?

37. A beam simply supported at ends is subjected to load. The maximum bending moment is located where

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

39. A body having similar properties throughout

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

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

42. 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

43. 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°

44. The bending moment in a cable carrying a system of loads will be

45. The moment of inertia of a rectangular (Bx D) section about its base is

46. Find the maximum BM induced in a simply supported beam if the beam is subjected to a point load of 4 KN at the center of the beam and the span of the beam is 4 m

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

48. *Moment of inertia of an object having rectangular section of 'b' as width and 'd' as depth is given by:

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

50. A beam of uniform strength will have at every cross-section the same