Mechanics of Materials & Structures Online Test – Paper 3

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

2. The maximum deflection of a beam occurs at

3. What is tenacity?

4. *A tie is a member which

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

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

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

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

9. If y is the deflection of the beam, then shear force is

10. The point of contraflexure occurs in a beam

11. An isotropic material has

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

13. Point of contraflexure is a point where bending moment

14. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

15. For a beam of uniform strength if its depth is maintained constant then its width will vary in proportion to

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

17. For a column of given material, the Rankine's constant depends on

18. *The amount of shear force at the maximum bending moment

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

20. *Thrust is induced in the case of

21. *The unit failure stress is taken as :

22. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

23. *The slope of an elastic curve at the point of contraflexture

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

25. *The product EI is called

26. If all the dimensions of a bar are increased in the proportion n:1, the proportion with which the maximum stress produced in the prismatic bar by its own weight will increase in the ratio

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

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

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

30. The rate of change of shear force is called

31. Find the bending moment at the center and also find the maximum bending moment

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

33. A Prismatic bar when subjected to pure bending assumes the shape of

34. *Proof resilience is the greatest stored energy at

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

36. The shear force on a beam is proportional to

37. The method of increasing fatigue resistance by overstressing the metal by successively increasing the loading is known as

38. The value of Poisson's ratio always remains

39. An orthotropic material has

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

41. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

42. The relation between deflection (y) and bending moment (M) is

43. The equivalent length of column fixed at one end and free at the other end is

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

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

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

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

48. A long vertical member subjected to an axial compressive load is called

49. *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

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