Mechanics of Materials & Structures Online Test – Paper 3

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

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

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

4. *A tie is a member which

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

6. Centrifugal force acts at a curve

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

8. A column that fails primarily due to buckling is known as

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

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

11. The c.g. of a semi-circular arc is

12. 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)

13. An orthotropic material has

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

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

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

17. *Which of the following is dimensionless?

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

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

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

21. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is

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

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

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

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

26. 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

27. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

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

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

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

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

32. *The simple bending equation is

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

34. The brittle materials have low toughness because they

35. *The shear force and bending moment are related by

36. At the point of application of concentrated load on a beam, there is

37. 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)

38. Effective length of column fixed at one end and hinged at the other end is

39. *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:

40. The region of c/s of a column in which compressive load may be applied without producing tensile load is known as

41. 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

42. Identify the correct relationship that exists among the modulus of elasticity (E), modulus of rigidity (N), and bulk modulus (k) is

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

44. *The maximum bending moment caused by a moving load on a simply supported beam is

45. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

46. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero

47. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

48. *As the elastic limit reaches, tensile strain

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

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