Mechanics of Materials & Structures Online Test – Paper 3

1. In a beam, the neutral plane

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

3. The limit of proportionality depends upon

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

5. *If the shear force along a section of a beam is zero, the bending moment at the section is:

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

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

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

9. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

10. Shear force diagram for a cantilever carrying a UDL over its whole length is

11. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

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

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

14. Find the maximum SF induced in S.S 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

15. *A cable subjected to U.D.L. over its entire span assumes a shape of

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

17. *Stress may be defined as force

18. A cantilever beam is one which is:

19. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

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

21. An isotropic material has

22. *Proof resilience is the greatest stored energy at

23. The point of contraflexure occurs in a beam

24. The section modulus of a circular section about an axis through its C.G. is

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

26. *Load required to produce unit deflection is called

27. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

28. An orthotropic material has

29. Centrifugal force acts at a curve

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

31. *Toughness is

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

33. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

34. The reaction at end A of the beam shown is

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

36. *Normal strain is defined as

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

38. A viscoelastic material

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

40. Permanent set is

41. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end

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

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

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

45. *Which of the following gives Bulk Modulus?

46. Buckling load for a given column depends upon

47. *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:

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

49. If the elasticity of the material is zero then the material is said to be

50. Load carrying capacity of fixed beam is