Mechanics of Materials & Structures Online Test – Paper 3

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

2. *The compression test is commonly used for testing

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

4. Which of the following is a relatively ductile material?

5. Which of the following end conditions permits the displacement in any direction and also rotation

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

7. The section modulus of a rectangular section is proportional to

8. *A diagram that shows the variation of axial force

9. *Toughness is

10. The maximum deflection of a beam occurs at

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

12. Moment of inertia of a rectangular beam bxd is

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

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

15. Normally, the numerical value of Poisson's is

16. *Tensile internal force tends to:

17. The shear center may be defined as

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

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

20. *Mathematically, strain may be defined as

21. The maximum number of transverse shear forces possible at one end of an element of a plane truss are

22. *The tension in a cable supporting a lift

23. *Young's modulus is the ratio of

24. Longitudinal cracks observed in timber beams are due to

25. 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

26. In a continuous beam, the point where bending moment changes sign is called

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

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

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

30. *Normal strain is defined as

31. The safe value of stress below which the material will not fail when subjected to a reversal of stress is known as

32. The rate of change of shear force is called

33. The maximum number of transverse shear forces possible at one end of an element of a plane frame are

34. An isotropic material has

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

36. A cantilever beam is one which is:

37. For a column, with both ends fixed, the crippling load will be equal to

38. The shear force on a beam is proportional to

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

40. The variation of the bending moment in the segment of a beam where no external load is present is

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

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

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

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

45. 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

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

47. The square root of the ratio of moment of inertia and cross-section area of the member is known as

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

49. A viscoelastic material

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