Mechanics of Materials & Structures Online Test – Paper 3

1. *"If a rod is simultaneously pulled at both of its ends, it will be a case of:

2. *The simple bending equation is

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

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

5. *Strut is a

6. The moment of inertia of a square section is given by

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

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

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

10. *The product EI is called

11. Shear strain is defined as

12. Load carrying capacity of fixed beam is

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

14. An orthotropic material has

15. The limit of proportionality depends upon

16. The maximum shear stress will always occur at

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

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

19. The stress necessary to initiate yielding is considerably

20. *Young's modulus is the ratio of

21. *The unit failure stress is taken as :

22. 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)

23. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be

24. *The S.I. unit of the modulus of elasticity is

25. *Stress may be defined as force

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

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

28. Shape of the bending moment diagram for a simply supported beam having a point load at the center is

29. The number of reaction components at a hinged end of a general loading is

30. The brittle materials have low toughness because they

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

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

33. Longitudinal cracks observed in timber beams are due to

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

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

36. According to Hook's law, which one is correct?

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

38. *The shear flow in a section can be defined as

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

40. 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

41. A cantilever beam is the one which is supported with

42. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

43. *The total time of collision and restitution of two bodies is called

44. Centrifugal force acts at a curve

45. A perfectly elastic body is

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

47. The actual breaking stress of a ductile material from a tension test will be

48. The maximum bending moment caused by a moving load on a fixed-end beam occurs

49. In a beam, the neutral plane

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