Mechanics of Materials & Structures Online Test – Paper 3

1. Shear strain is defined as

2. The impact tests are used to determine

3. An isotropic material has

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

5. 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

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

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

8. *The unit failure stress is taken as :

9. The shear force on a beam and the displacement are related by

10. *Proof resilience is the greatest stored energy at

11. The moment of inertia of a triangular section b x h about the c-g is

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

13. A cantilever beam is one which is:

14. *The simple bending equation is

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

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

17. Find the slenderness ratio of the column of M.I. = 10000cm4, Area =100cm^2 & effective length =3.0m

18. The maximum shear stress will always occur at

19. The phenomenon of slow growth of strain under steady tensile stress, i.e., increasing with time, is called

20. The beam strongest in flexure will have the maximum

21. A beam fixed at both ends with a central load W in the middle will have zero bending moment

22. *Tensile internal force tends to:

23. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

24. *The tension in a cable supporting a lift

25. *As the elastic limit reaches, tensile strain

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

27. Centrifugal force acts at a curve

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

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

30. Centrifugal force acts away from the center of the path while centripetal force

31. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

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

33. The brittle materials have low toughness because they

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

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

36. The slope of the curve of S.F. diagram at any section will be equal to

37. If a constant section is subjected to a uniform/ pure bending moment throughout, its length bends to

38. *Fatigue is the failure of a material under:

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

40. The shear force on a beam is proportional to

41. 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

42. 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

43. *The product EI is called

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

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

46. In a beam, the neutral plane

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

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

49. *A beam is said to be loaded in pure bending when

50. The shear center may be defined as